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Fluke 5020A User's Manual

1. Example DAT REC OPEN 2003 9 15 0 0 0 2003 9 15 23 59 59 The first set of lt year gt lt month gt lt day gt lt hour gt lt minute gt and lt second gt parameters indicate the from date and time of the block to open This set of parameters is optional but if specified all parameters are required If not specified all data in memory is opened for reading The second set of lt year gt lt month gt lt day gt lt hour gt lt minute gt and lt second gt parameters may only be specified if the first set are specified and indicate the to date and time of the block to open This set of parameters is optional but if specified all parameters are required If not specified the to date and time default to 6 29 5020A Users Manual 6 30 the current date and time If not specified the actual time date range of the data will likely include more data than requested because fo the sizes of the data blocks in memory Use this command in conjunction with the DATa RECord OPEN and DATa RECord READ commands to extract data from memory DATa RECord READ lt num gt Reads a block of data from memory Example DAT REC READ Response lt bytes gt 1 1 lt binary data gt The lt num gt parameter is optional and defines the group size number of bytes to read from memory If not specified 256 bytes is used as the default group size The response to this command consists of the number of bytes of data
2. SENSOR lt n gt LOCKED Attach the correct sensor or if a new sensor is to be used unlock the sensor using CHANNEL SENSOR LOCK Maintenance and Troubleshooting Downloading Recorded Data SENSOR lt n gt CALIBRATION INVALID Cycle the power Try a different sensor Contact an Authorized Service Center SENSOR lt n gt CALIBRATION EXPIRED Contact an Authorized Service Center to have the sensor recalibrated Check the time date to make sure it is correct POWER DOWN CALCULATION ERROR Contact an Authorized Service Center POWER DOWN SOFTWARE RESET Contact an Authorized Service Center POWER DOWN HARDWARE RESET Contact an Authorized Service Center BUTTONS lt button name gt Check to make sure the buttons are not being pressed Cycle the power Contact an Authorized Service Center Start up Error Messages Error messages may appear after the self test If this happens contact a Fluke Authorized Service Center for assistance Downloading Recorded Data The thermo hygrometer stores up to 400 000 readings in its memory These readings can be downloaded to a computer using the RS 232 serial port The following steps should be followed to download logged data using the serial port 1 Connect the thermo hygrometer to a COM port on the computer using the serial cable 2 Runa terminal program such as Windows r Terminal or HyperTerminal r a Set up the terminal program to use the correct COM port and baud rate Conf
3. A value of 1 is returned if the measurement averaging is enabled A value of 0 is returned if the measurement averaging is disabled SENSor AVERage lt bool gt Sets the measurement average setting Example SENS AVER 1 The lt bool gt parameter turns the measurement averaging on 1 or ON or off 0 or OFF This command may be password protected see Password Commands SENSor lt chn gt LOCK Returns the sensor lock state for the given channel number Example SENS1 LOCK Response 1 A value of is returned if the sensor lock is enabled A value of 0 is returned if the sensor lock is disabled SENSor lt chn gt LOCK lt bool gt Sets the sensor lock for the specified channel Example SENS1 LOCK 1 The lt bool gt parameter turns the sensor lock on 1 or ON or off 0 or OFF This command is password protected To access this command when the SYST PASS SENS is enabled the password must be successfully entered using the SYST PASS CEN lt pass gt command see Password Commands SENSor lt chn gt IDENtification Returns the sensor identification for the specified channel Example SENS1 IDEN Response LABORATORY The SENSor suffix lt chn gt specifies the channel 1 or 2 The response to this command is enclosed in double quotes and indicates the current ID string for the sensor on the specified channel SENSor lt chn gt IDENentification lt str gt Sets the sensor identification for the specified chann
4. ALARm RHUMidity lt chn gt LOWer ENABle lt bool gt Sets the state of the lower humidity alarm enable for the specified channel Example ALAR RHUM1 LOW ENAB 1 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 The lt bool gt parameter turns the lower humidity alarm enable on 1 or ON or off 0 or OFF This command may be password protected see Password Commands ALARm RHUMidity lt chn gt LOWer LIMit MIN MAX DEF Returns the lower humidity alarm limit for the specified channel in RH Example ALAR RHUM1 LOW LIM 6 15 5020A Users Manual Response 20 00 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively ALARm RHUMidity lt chn gt LOWer LIMit lt float gt MIN MAX DEF Sets the lower humidity alarm limit for the specified channel in RH Example ALAR RHUM1 LOW LIM 25 00 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 The lt float gt parameter specifies the value for the lower humidity alarm limit Specifying the MIN MAX or DEF parameter sets the lower humidity alarm limit to the minimum maximum or default value respectively This command may be password protected see Password Commands ALARm RHUMidity lt chn gt RATE Indicates whether a humidity rate alarm event has occurred for the specified channel Example ALAR RHUM1 RATE Response 1 The RHUMidity s
5. 5020A Users Manual ALARm BEEP lt bool gt Sets the state of the audible alarm enable Example ALAR BEEP 1 The lt bool gt parameter turns the alarm beep enable on 1 or ON or off 0 or OFF This command may be password protected see Password Commands ALARm CLEar Clears the alarm events Example ALAR CLE The alarm clear command clears the alarm events ALARm DATE FIRSt Returns the date of the first alarm event Example ALAR DATE FIRS Response 2003 8 10 The response is returned in the format lt year gt lt month gt lt day gt If no alarm has been triggered the response is 2000 0 0 ALARm DATE LAST Returns the date of the last alarm event Example ALAR DATE LAST Response 2003 8 10 The response is returned in the format lt year gt lt month gt lt day gt If no alarm has been triggered the response is 2000 0 0 ALARm DISPlay Returns the state of the visible alarm enable Example ALAR DISP Response 0 A value of is returned if the alarm display is enabled A value of 0 is returned if the alarm display is disabled ALARm DISPlay lt bool gt Sets the state of the visible alarm enable Example ALAR DISP 1 The lt bool gt parameter turns the alarm display enable on 1 or ON or off 0 or OFF This command may be password protected see Password Commands ALARm POWer 6 14 Indicates whether a power loss alarm event has occurred Example ALAR POW Digital
6. File Write The FILE WRITE function allows the user to write data to a data card The FORMAT parameter is selectable between TEXT and BINARY 5 22 Menu Functions 5 Data Menu 23 80T 40 6 m 08 58 15 03 04 03 d WE EE EE AA A A e Ta Zeches Figure 5 31 File Write avu032 jpg Note In order to view the data using the thermo hygrometer or the LogWare III software the data must be saved in BINARY format Set the BEGIN parameter to the beginning date and time of the data that is to be written to a data card Set the END parameter to the ending time and date of the data that is to be written to a data card Choosing END for the END parameter will automatically select the most recent reading as the END parameter After the BEGIN and END parameters are entered and the button is pressed a message is displayed stating READY the FILE NAME and the number of DATA BYTES to be written The button is used to save the data to the file Press the button to cancel any changes and exit to the menu File View The FILE VIEW function is used to view data from a binary rec file on a data card In order to view the data using the thermo hygrometer or the LogWare III software the data must be saved in BINARY format If no binary rec files are found on the data card a NO FILES FOUND message will be displayed 5 23 5020A Users Manual avu033 jpg Figure 5 32 File View To view a file select th
7. North America 1 or Europe 2 This command may be password protected see Password Commands SYSTem TIME FORMat MIN MAX DEF Returns the time format used for the display Example SYST TIME FORM Response 1 A value of 0 is returned if the time format is set to 12 hour A value of 1 is returned if the time format is set to 24 hour Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively SYSTem TIME FORMat lt num gt MIN MAX DEF Sets the time format Example SYST TIME FORM 0 The lt num gt parameter can be 0 12 HR or 1 24 HR Specifying the MIN MAX or DEF parameter sets the time format to the minimum maximum or default value respectively This command may be password protected see Password Commands Password Commands The password commands are used for enabling and disabling the password protected commands for querying and setting the password protected state and for setting a new password These commands are always password protected 6 41 5020A Users Manual SYSTem PASSword ALARm Returns the state of the alarm settings password protection Example SYST PASS ALAR Response 0 A value of 1 is returned if the alarm settings are password protected otherwise a value of 0 is returned SYSTem PASSword ALARm lt bool gt Sets the state of the alarm settings password Example SYST PASS ALAR 1 The lt bool gt parameter turns the alarm settings passwo
8. 1 1 0 2 0 0 0 0 0 0 This lt bool gt parameter is optional If it is not given or if it is 1 a new self test is performed and the results returned the self test can take several seconds to complete If the parameter is 0 the results of the power on self test are reported Ten results are reported in comma separated numbers between 0 and 65535 0 indicates no error or abnormal condition Non zero numbers when converted to binary values give specific information on the type of error depending on which bits are set The meaning of the results are as follows lst number sensor status 0 sensors are attached and operating properly bit 0 is 1 channel 1 sensor is unattached locked out or not operating properly 6 46 Digital Communications Interface 6 Commands bit 1 is 1 channel 2 sensor is unattached locked out or not operating properly 2nd number channel sensor test 0 no error bit 0 is 1 sensor unattached bit 1 is 1 sensor memory read failure bit 2 is 1 sensor parameter checksum error bit 3 is 1 sensor calibration parameters out of range bit 4 is 1 sensor calibration date is invalid bit 5 is 1 sensor identification is invalid bit 6 is 1 sensor version number is incompatible bit 7 is 1 sensor is locked out 3rd number channel 2 sensor test see channel 1 sensor test 4th number sensor calibration expired 0 sensor calibration has not yet expired bit 0 is 1 channel 1 sensor calibration has expired bit 1 is 1 chan
9. 9600 19200 38400 or 57600 Specifying the MIN MAX or DEF parameter sets the baud rate to the minimum maximum or default value respectively A baud rade of 57600 suspends echo full duplex SYSTem COMMunicate SERial FDUPlex Returns the state of the serial port echo duplex setting Example SYST COMM SER FDUP Response 1 6 37 5020A Users Manual 6 38 A value of 1 is returned if serial port echo duplex is ON A value of 0 is returned if serial port echo duplex is OFF SYSTem COMMunicate SERial FDUPlex lt bool gt Sets the serial port echo duplex setting Example SYST COMM SER FDUP 1 The lt bool gt parameter turns serial port echo duplex mode on 1 or ON or off 0 or OFF A baud rade of 57600 suspends echo full duplex SYSTem COMMunicate SERial FEED Returns the state of the serial port auto printing Example SYST COMM SER FEED Response 0 A value of is returned if serial port auto printing is enabled A value of 0 if returned is serial port auto printing is disabled SYSTem COMMunicate SERial FEED lt bool gt Sets the state of the serial port auto printing Example SYST COMM SER FEED 1 The lt bool gt parameter turns serial port auto printing on 1 or ON or off 0 or OFF The RST command sets the serial port auto printing to OFF SYSTem COMMunicate SERial LINefeed Returns the state of the serial port linefeed setting Example SYST COMM SER LIN Response 1 A value of
10. DAT REC CLE This command is password protected To access this command when the SYST PASS REC is enabled the password must be successfully entered using the SYST PASS CEN lt pass gt command see Password Commands DATa RECord FEED RHUMidity lt chn gt Returns the state of the humidity recording enable for the specified channel Example DAT REC FEED RHUM1 Response 1 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if the humidity recording for the specified channel is enabled A value of 0 is returned if the humidity recording for the specified channel is disabled DATa RECord FEED RHUMidity lt chn gt lt bool gt Sets the state of the humidity recording enable for the specified channel Example DAT REC FEED RHUM1 0 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 The lt bool gt parameter turns the humidity recording for the specified channel on 1 or ON or off 0 or OFF This command may be password protected see Password Commands 6 28 Digital Communications Interface 6 Commands DATa RECord FEED TEMPerature lt chn gt Returns the state of the temperature recording enable for the specified channel Example DAT REC FEED TEMP1 Response 1 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if temperature recording for the specified channel is enabled A value of 0 is returned if temperature recording for the s
11. If a correct password is entered the password protected parameters PASS SENSOR RECORD STATS ALARM and TIME are displayed The PASS parameter allows the user to change the password and consists of a four digit number The SENSOR parameter allows the user to turn the password protection for sensor and channel settings ON or OFF The RECORD parameter allows the user to turn the password protection for data recording settings ON or OFF The STATS parameter allows the user to turn the password protection of statistics and daily stats settings ON or OFF The ALARM parameter allows the user to turn the password protection of alarm settings ON or OFF The TIME parameter allows the user to turn the password protection of time and date settings ON or OFF Press the gt buttons to highlight the digit to change Use the buttons to scroll through the numbers 0 9 Press the button to save the new setting Press the er button to cancel any changes and to move to the next parameter or exit to the menu Note Keep your password in a secure location and do not forget the password 5 33 5020A Users Manual System Info The SYSTEM INFO function displays information about the thermo hygrometer The information includes the manufacturer model number serial number firmware version boot version and battery level H 2398C SYSTEM 20 1 Oem avu002 jpg Figure 5 45 System Info Press the button when
12. Sets the measurement period setting in seconds Example TRIG TIM 30 The lt num gt parameter can be one of the following values 1 2 5 10 15 30 60 120 300 600 900 1200 1800 or 3600 If a value other than one listed here is used the instrument automatically selects the nearest acceptable value that is less than the value entered Values greater than 3600 or less than 1 are ignored and cause a 222 Data out of range error Specifying the MIN MAX or DEF parameter sets the measurement interval timer to the minimum maximum or default value respectively The RST command sets the measurement period to 2 seconds This command may be password protected see Password Commands Channel Commands The channel commands are used for switching channels on and off ROUTe CLOSe lt chn gt 6 32 Returns the state of the specified channel Example ROUT CLOS 1 Response 0 Digital Communications Interface 6 Commands The lt chn gt parameter specifies the channel 1 or 2 A value of 1 is returned if the specified channel is on A value of 0 is returned if the specified channel is off ROUTe CLOSe lt chn gt Switches on the specified channel Example ROUT CLOS 1 The lt chn gt parameter specifies the channel 1 or 2 to switch on This command may be password protected see Password Commands ROUTe OPEN lt chn gt Returns the state of the specified channel Example ROUT OPEN 1 Response 0 The lt chn
13. Users Manual 5 32 IR serial port Echo mode ON is useful when using terminal emulation software on a computer to communicate with the instrument Selecting OFF disables echoing Echo mode OFF is commonly used when using control software on the computer The SER PER parameter allows the user to select the interval at which measurements are automatically transmitted over the serial port The user may choose between 1 2 5 10 15 and 30 seconds 1 2 5 10 15 20 and 30 minutes and 1 hour The PRINT parameter allows the user to enable automatic printing of measurements over the serial port Selecting ON enables printing and selecting OFF disables printing Press the 4 P buttons to change a parameter setting Use the buttons to move between parameters Press the button to save the new setting Press the button to cancel any changes and exit to the menu When the IR port is selected the MODE parameter for the IR port is displayed beneath the PORT selection The MODE parameter allows the user to select the protocol used by the IR port to transmit and receive data The selections are COMM IRDA and OFF 7 21 93C a 295 MODE 22 07 42 09 04 2003 Figure 5 43 IR avu044 jpg The COMM setting allows the user to transmit data over the IR port at 9600 baud in simple ASCII format The IRDA option allows the user to print data to an IrDA compatible printer such as an HP LaserJet 2100 Automatic real time printing is
14. lt float gt value is always in the current temperature units C or F This command may be password protected see Password Commands ALARm TEMPurature lt chn gt RATE Indicates whether a temperature rate alarm event has occurred Example ALAR TEMP1 RATE Response 0 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if a temperature rate alarm event has occurred on the specified channel A value of 0 is returned if a temperature rate alarm event has not occurred on the specified channel ALARm TEMPurature lt chn gt RATE ENABle Returns the state of the temperature rate alarm enable for the specified channel Example ALAR TEMP1 RATE ENAB Response 0 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if the temperature rate alarm is enabled A value of 0 is returned if the temperature rate alarm is disabled ALARm TEMPurature lt chn gt RATE ENABle lt bool gt Sets the state of the temperature rate alarm enable for the specified channel Example ALAR TEMP1 RATE ENAB 1 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 The lt bool gt parameter turns the temperature rate alarm on 1 or ON or off 0 or OFF This command may be password protected see Password Commands 6 19 5020A Users Manual ALARm TEMPurature lt chn gt RATE LIMit MIN MAX DEF Returns the temperature rate alarm limit for the specified channel i
15. lt num gt parameter specifies the daily statistics record number If none is specified record 1 is assumed The response is returned in the format lt year gt lt month gt lt day gt 6 27 5020A Users Manual DATa DSTatistics RECord ETIMe lt num gt Returns the daily statistics recording end time Example DAT DST REC ETIM Response 23 59 59 The lt num gt parameter specifies the daily statistics record number If none is specified record 1 is assumed The response is returned in the format lt hour gt lt minute gt lt second gt DATa DSTatistics RECord FIND lt year gt lt month gt lt day gt Returns the daily statistics record number for the given date Example DAT DST REC FIND 2003 9 13 Response 25 If no daily statistics were recorded for the given date a 0 is returned DATa DSTatistics RECord VALue lt num gt lt chn gt lt type gt Returns the daily statistics statistical calculation Example DAT DST REC VAL 1 1 1 Response 25 559 0 733 23 097 27 203 4 106 43200 17 16 0 The lt num gt parameter specifies the daily statistics record number The lt chn gt parameter specifies the channel 1 or 2 The lt type gt parameter specifies the statistic average 1 standard deviation 2 minimum 3 maximum 4 spread 5 maximum rate 7 or alarm count 8 Temperature values are in the current temperature unit C of F DATa RECord CLEar Clears all recorded measurement data Example
16. measure bit Bit 1 Channel 1 humidity measure bit Bit 2 Channel 2 temperature 6 49 5020A Users Manual measure bit Bit 3 Channel 2 humidity measure bit Bit 4 Not used Bit 5 Not used Bit 6 Not used Bit 7 Not used Example STAT MEAS COND Response 15 STATus MEASure ENABle This command returns the Measurement Status Enable Register see STATus MEASure ENABle lt num gt command below Example STAT MEAS ENAB Response 15 STATus MEASure ENABle lt num gt MIN MAX DEF This command sets the Measure Status Enable Register This register determines which event bits of the Measure Status Event Register affect the Measure Status Bit of the Status Byte Register If any bit in the Measure Status Event Register is set 1 while its corresponding mask bit in the Measure Status Enable Register is set the Measure Status Bit in the Status Byte Register will be set The value of the lt num gt parameter is a number from 0 to 15 that is the sum of the binary weighted values of each mask bit The Measure Status Event Register is described in Section 8 4 11 13 STATus MEASure The following example causes the Measure Status Bit in the Status Byte Register to be set when measurements on both channels have been completed Example STAT MEAS ENAB 15 Response 15 STATus OPERation This command reads and clears the Operation Status Event Register The value returned indicates the condition of each of the eight bits of the
17. 1 is returned if the serial port linefeed is enabled A value of 0 is returned if serial port linefeed is disabled SYSTem COMMunicate SERial LINefeed lt bool gt Sets the state of the serial port linefeed setting Example SYST COMM SER LIN 1 The lt bool gt parameter turns serial port linefeed on 1 or ON or off 0 or OFF SYSTem COMMunicate SERial TIMe MIN MAX DEF Returns the serial port auto printing period in seconds Example SYST COMM SER TIM Response 10 Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively SYSTem COMMunicate SERial TIMe lt num gt MIN MAX DEF Sets to serial port sample period setting in seconds Digital Communications Interface 6 Commands Example SYST COMM SER TIM 120 The lt num gt parameter can be one of the following values 1 2 5 10 15 30 60 120 300 600 900 1200 1800 or 3600 If a value other than one listed here is used the instrument automatically selects the nearest acceptable value that is less than the value entered Values greater than 3600 or less than are ignored Specifying the MIN MAX or DEF parameter sets the sample period setting to the minimum maximum or default value respectively SYSTem KLOCkout Returns the state of the button panel lockout Example SYST KLOC Response 0 A value of is returned if the button panel is locked out A value of 0 is returned if the button panel is enabled unlocked
18. CASE sensor wall mount bracket Model 5030A MNT and 25 foot 7 6 m extension cable Model Y5028 Model 5026A Spare Sensor Protective Case Model Y5028 Extension cable 25 foot 7 6 m Model Y5029 Extension cable 50 foot 15 2 m Model 5030A MNT Sensor wall mount bracket Model 5032A 64MB data card PC Card 64 MB Model 5020A CASE Protective Case includes space for a 5020A Thermo Hygrometer two sensors RS 232 cable and power cord Model 5020A PS Spare Power Supply 100 240 VAC to 12 VDC Model 5020A LW3 LogWare III single PC license Model 5020A LWLIC LogWare III license for additional PCs 3 7 5020A Users Manual 3 8 Chapter 4 General Operation Introduction acer isses nero DO POWER Een EENG Oto Sensor Configuration ccccccccsscssseessceeseecscecseecsaeceseceseceseeseeeseeeseeesereseeeseneenaes Power Switch selten cinta Adenda Power On Self RE EE Display Contrast eessen ena RE Alarm E MASIA E Unit of Temper t re une REESEN AE ENEE dE dirias Recording Measurements DCTS OTS E 4 1 5020A Users Manual 4 2 General Operation 4 Introduction Introduction This section explains basic operation of the thermo hygrometer Detailed operation of the thermo hygrometer is explained in Chapters 5 and 6 Chapter 5 explains the menu structure and the functions available in the menu structure and Chapter 6 explains the communications interface for operating the thermo hygrometer remotely
19. Communications Interface 6 Commands Response 0 A value of 1 is returned if a power loss alarm event has occurred A value of 0 is returned if a power loss alarm event has not occurred ALARm POWer ENABle Returns the state of the power loss alarm enable Example ALAR POW ENAB Response 0 A value of 1 is returned if the power loss alarm is enabled A value of 0 is returned if the power loss alarm is disabled ALARm POWer ENABle lt bool gt Sets the state of the power loss alarm enable Example ALAR POW ENAB 1 The lt bool gt parameter turns the power loss alarm on 1 or ON or off 0 or OFF This command may be password protected see Password Commands ALARm RHUMidity lt chn gt LOWer Indicates whether a lower humidity alarm event has occurred for the specified channel Example ALAR RHUM1 LOW Response 0 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if a lower humidity alarm event has occurred on the specified channel A value of 0 is returned if a lower humidity alarm event has not occurred on the specified channel ALARm RHUMidity lt chn gt LOWer ENABle Returns the state of the lower humidity alarm enable for the specified channel Example ALAR RHUM1 LOW ENAB Response 0 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if the lower humidity alarm is enabled A value of 0 is returned if the lower humidity alarm is disabled
20. Example DAT DST ENAB 1 The lt bool gt parameter turns the daily statistics recording on 1 or ON or off 0 or OFF This command may be password protected see Password Commands DATa DSTatistics HOUR MIN MAX DEF Returns the daily statistics recording time Example DAT DST HOUR Response 12 Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively DATa DSTatistics HOUR lt num gt MIN MAX DEF Sets the state of the daily statistics recording time Example DAT DST HOUR 1 The lt num gt parameter specifies the hour for the daily statistics recording time Specifying MIN MAX or DEF parameter sets the daily statistics recording time to the minimum maximum or default value respectively This command may be password protected see Password Commands DATa DSTatistics RENable Returns the state of the daily statistics reset enable Example DAT DST REN Response 0 A value of 1 is returned if the daily statistics reset is enabled A value of 0 is returned if the daily statistics reset is disabled DATa DSTatistics RENable lt bool gt 6 26 Sets the state of the daily statistics reset enable Example DAT DST REN 1 The lt bool gt parameter turns the daily statistics reset on 1 or ON or off 0 or OFF This command may be password protected see Password Commands Digital Communications Interface 6 Commands DATa DSTatistics RHOur MIN MAX DEF Returns t
21. Register will be set The value of the lt num gt parameter is a number from 0 to 63 that is the sum of the binary weighted values of each mask bit The Alarm Status Event Register is described in Section 8 4 11 9 STATus ALARm The following example causes the Alarm Status Bit in the Status Byte Register to be set when a power failure alarm has been triggered Example STAT ALAR ENAB 32 Response 32 STATus MEASure This command reads and clears the Measure Status Event Register The value returned indicates the condition of each of the eight bits of the register by adding the binary weighted values of each bit The meaning of each bit when set 1 is as follows where 0 is the least significant and 7 is the most significant 0 no measurement Bit 0 Channel 1 temperature measure bit Bit 1 Channel 1 humidity measure bit Bit 2 Channel 2 temperature measure bit Bit 3 Channel 2 humidity measure bit Bit 4 Not used Bit 5 Not used Bit 6 Not used Bit 7 Not used Example STAT MEAS Response 3 STATus MEASure CONDition This command reads the Measurement Status Condition Register Reading this register does not affect it The value returned indicates the condition of each of the eight bits of the register by adding the binary weighted values of each bit The meaning of each bit when set 1 is as follows where 0 is the least significant and 7 is the most significant 0 no measurement Bit 0 Channel 1 temperature
22. Returns the state of the low humidity alarm for the specified channel ALARm RHUMidity lt chn gt LOW ENABle Returns the state of the low humidity alarm enable for the specified channel ALARm RHUMidity lt chn gt LOW ENABle lt bool gt Enables or disables the low humidity alarm enable for the specified channel ALARm RHUMidity lt chn gt RATE Returns the state of the humidity rate alarm for the specified channel ALARm RHUMidity lt chn gt RATE ENABle Returns the state of the humidity rate alarm enable for the specified channel ALARm RHUMidity lt chn gt RATE ENABle lt bool gt Enables or disables the humidity rate alarm for the specified channel ALARm RHUMidity lt chn gt RATE LIMit Returns the humidity rate alarm limit for the specified channel ALARm RHUMidity lt chn gt RATE LIMit Sets the humidity rate alarm limit for the specified lt num gt MIN MAX DEF channel ALARm RHUMidity lt chn gt SENSor Returns the state of the humidity sensor alarm for the specified channel 5020A Users Manual ALARm RHUMidity lt chn gt SENSor ENABle ALARm RHUMidity lt chn gt SENSor ENABle lt bool gt ALARm RHUMidity lt chn gt UPPer ALARm RHUMidity lt chn gt UPPer ENABle ALARm RHUMidity lt chn gt UPPer ENABle lt bool gt ALARm RHUMidity lt chn gt UPPer LIMit ALARm RHUMidity lt chn gt UPPer LIMit lt num gt MIN MAX DEF ALARm TEMPerature lt chn gt LOW ALARm TEMPerature lt chn gt LOW ENABle ALARm TEMPer
23. Returns the state of the temperature rate alarm enable for the specified channel Enables or disables the temperature rate alarm for the specified channel Returns the temperature rate alarm limit for the specified channel Sets the temperature rate alarm limit for the specified channel Returns the state of the temperature sensor alarm for the specified channel Returns the state of the temperature sensor alarm enable for the specified channel Enables or disables the temperature sensor alarm for the specified channel Returns the state of the high temperature alarm for the Returns the low temperature alarm limit for the specified channel specified channel ALARm TEMPerature lt chn gt UPPer ENABle ALARm TEMPerature lt chn gt UPPer ENABle lt bool gt ALARm TEMPerature lt chn gt UPPer LIMit ALARm TEMPerature lt chn gt UPPer LIMit lt num gt MIN MAX DEF ALARm TIME FIRSt ALARm TIME LAST CALibrate lt chn gt ALERt CALibrate lt chn gt ALERt lt bool gt CALibrate lt chn gt DATe CALibrate CALibrate lt chn gt DATe CALibrate lt year gt lt month gt lt day gt CALibrate lt chn gt DATe DUE CALibrate lt chn gt DATe DUE lt year gt lt month gt lt day gt CALibrate lt chn gt EXPiration CALibrate lt chn gt PARameter LlNearity lt chn gt CALibrate lt chn gt PARameter LINearity lt chn gt lt float gt CALibrate lt chn gt PARameter OFFSets lt chn gt CALibrate lt chn gt PARamete
24. SERial BAUD SYSTem COMMunica SERial BAUD lt num gt MIN MAX DEF SYSTem COMMunica SERial F DUPlex SYSTem COMMunica SERial FDUPlex lt bool gt SYSTem COMMunica SERial FEED SYSTem COMMunica SERial FEED lt bool gt SYSTem COMMunica SERial LINefeed SYSTem COMMunica SERial LINefeed lt bool gt SYSTem COMMunica SERial TIMe SYSTem COMMunica SERial TIMe lt num gt MIN MAX DEF SYSTem DATE SYSTem DATE lt year gt lt month gt lt day gt SYSTem DATE FORMat SYSTem DATE FORMat lt num gt MIN MAX DEF SYSTem DECimal FORMat SYSTem DECimal FORMat lt num gt MIN MAX DEF SYSTem ERRor Sets the serial port baud rate Sets the serial port auto printing timer Returns the clock date Sets the clock date Returns the display date format 0 mm dd yy 1 mm dd yyyy 2 dd mm yy 3 dd yy yyyy Sets the display date format Returns the display decimal option 0 1 Sets the display decimal option Returns the system error log Digital Communications Interface 6 Interface Commands Returns the system firmware version Returns the state of the button panel lockout Enables or disables the button panel lockout Returns the state of the alarm settings password protection Enables or disables the alarm settings password protection Returns the state of the data recording password protection Enables or disables the data recording password protection Returns the state of the sensor settings password pro
25. SYSTem KLOCkout lt bool gt Sets the state of the button panel lockout Example SYST KLOC 1 The lt bool gt parameter turns the button panel lockout on 1 or ON or off 0 or OFF SYSTem POWer BATTery Returns the current battery charge level Example SYST POW BATT Response 90 The returned value indicates the current percentage of charge remaining in the battery The battery charge level is approximate and should be used only as a guideline Date and Time Commands The date and time commands are used for accessing the date and time related settings SYSTem DATE Returns the clock date Example SYST DATE Response 2003 9 1 The response is returned in the format lt year gt lt month gt lt day gt SYSTem DATE lt year gt lt month gt lt day gt Sets the clock date to the specified year month and day Example SYST DATE 2003 9 17 The lt year gt lt month gt and lt day gt parameters must all be supplied The lt year gt parameter is a four digit number The lt month gt parameter is a one or two digit number 1 to 12 The lt day gt parameter is a one or two digit number 1 to 31 This command may be password protected see Password Commands 6 39 5020A Users Manual SYSTem DATE FORMat MIN MAX DEF Returns the date format used for the display Example SYST DATE FORM Response 1 Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively
26. Temperature 7 3 5020A Users Manual Table 7 3 5026A H Temperature Calibration Points Table 7 4 5026A H Relative Humidity Calibration Points Relative Humidity at Temperature Temperature and Humidity Measurement Errors The temperature and humidity measurement errors for the sensor are obtained at each of the calibration points This test is performed to obtain as found data for the calibration report if necessary and adjustment data and then repeated after adjustments are made to obtain as left data for the calibration report Temperature measurements are in degrees Celsius For each calibration point Tn and RHn do the following 1 Set the temperature and humidity set point 2 Allow four hours for settling after the temperature and humidity set points are reached before collecting data 3 Measure the temperature with the 5026A x probe and compare it with the temperature read from the reference thermometer in the chamber to obtain the temperature measurement error Terror Tn T2626 x Tn Treference Tn or Measure the relative humidity using the 5026A x probe and compare it with the relative humidity read from the chamber to obtain the humidity measurement error RHerror RHn RH 2626 x RHn RHchamber RHn Temperature and Humidity Adjustments Adjustments to the 5026A x calibration parameters are required when measurement errors are excessive or outside of the specification The calibr
27. The CALibrate suffix lt chn gt specifies the channel 1 or 2 The response is returned in the format lt year gt lt month gt lt day gt CALibrate lt chn gt DATE CALibrate lt year gt lt month gt lt day gt Sets the sensor calibration date for the specified channel Example CAL1 DATE CAL 2003 9 17 The CALibrate suffix lt chn gt specifies the channel 1 or 2 The lt year gt lt month gt and lt day gt parameters must all be specified The lt year gt parameter is a four digit number The lt month gt parameter is a one or two digit number 1 to 12 The lt day gt parameter is a one or two digit number 1 to 31 This command is password protected see Password Commands CALibrate lt chn gt DATE DUE Returns the sensor calibration due date for the specified channel Example CAL1 DATE DUE Response 2004 9 17 The CALibrate suffix lt chn gt specifies the channel 1 or 2 The response is returned in the format lt year gt lt month gt lt day gt CALibrate lt chn gt DATE DUE lt year gt lt month gt lt day gt Sets the sensor calibration due date for the specified channel Example CAL1 DATE DUE 2004 9 17 The CALibrate suffix lt chn gt specifies the channel 1 or 2 The lt year gt lt month gt and lt day gt parameters must all be specified The lt year gt parameter is a four digit number The lt month gt parameter is a one or two digit number 1 to 12 The lt day gt parameter i
28. alarm is displayed the event can be either hidden by pressing Exit or cleared by pressing Enter Measuring The thermo hygrometer will automatically make measurements on enabled channels at the set period when a sensor is attached Channels are enabled using the CHANNEL SETTING function in the CHANNEL menu see Record Setting The measurement period is also set with this function General Operation 4 Unit of Temperature Unit of Temperature The thermo hygrometer is capable of displaying temperature in Celsius C or Fahrenheit F The unit of temperature applies to temperature measurements on either channel that are displayed recorded or printed Recorded data is viewed printed or written to a data card file with the currently set unit of temperature The unit of temperature is set using the DISPLAY SETTING function in the DISPLAY menu see Display Setting or the SYSTEM SETTING function in the SYSTEM menu see System Setting Recording Measurements The thermo hygrometer will automatically record measurements on enabled channels at the set period Recording is enabled using the RECORD SETTING function in the DATA RECORD sub menu in the DATA menu see Record Setting The record period is also set with this function Sensors The standard accuracy sensor and high accuracy sensor are used to measure temperature and relative humidity The sensors attach to the thermo hygrometer by plugging into the top or side panel of the inst
29. and their number setting Number Port 0 Serial default 1 IR Digital Communications Interface 6 Commands Date and Time Formats The following tables list the acceptable date and time formats and their number setting Date Formats Number Format 0 MM DD YY 1 MM DD YYYY 2 DD MM YY 3 DD MM YYYY Time Formats Number Format 0 H MM SSAM PM 12 hour format 1 HH MM SS 24 hour format 6 53 5020A Users Manual 6 54 Chapter 7 Calibration Procedure Title eelere ns EE EMM dui e id aiii ETS Calibration Points caia Temperature and Humidity Measurement Errors Temperature and Humidity Adjustments nennen 5020A Users Manual 7 2 Calibration Procedure T Introduction Introduction 5026A x sensors used with the thermo hygrometer should be periodically calibrated to ensure accuracy A six month calibration interval for the first year and one year thereafter is recommended The thermo hygrometer display unit does not require calibration and the sensor can be sent to a qualified service center for calibration without the thermo hygrometer display unit Contact a Fluke Authorized Service Center for return instructions prior to returning the probe for calibration Ensure that the probe is packaged adequately to ensure safe transport It is recommended that you acquire and use the optional probe case for transport For those who wish to perform their own c
30. but is compressed into one time point the time just prior to the time shift In other words the data prior to the time shift is plotted first Then when data for the first hour after the one hour shift backwards is encountered the data is plotted as if it all occurred at the instant of the time change Then when the hour s data has passed plotting resumes normally and the data is plotted to the right of the time shift Note that in any case data is recorded to memory as would be expected with a one hour time gap or a repeated hour when a daylight saving time shift occurs The effects of the automatic daylight saving time shifts should cause minimal inconvenience as they occur early Sunday morning To prevent confusion and time ambiguity problems avoid running environment sensitive operations during the daylight saving time shift Also consider temporarily suspending data recording for days on which daylight saving time shifts occur But if you do this be sure to resume data recording when you need it The buttons are used to select the menu parameter The P buttons are used to change the parameters Press the button to save the new setting Press the button to cancel any changes and exit to the menu Comm Setting 5 30 The COMM SETTING function is used to setup the communication parameters for the communication ports Communications ports are used for communicating with a computer printer or other equipment The thermo hygromete
31. gt specifies the channel 1 or 2 The SCALe suffix lt num gt specifies either temperature 1 or humidity 2 CALibrate lt chn gt PARameter SCALe lt num gt lt float gt Sets the sensor calibration scale parameter for the specified channel Example CAL2 PAR SCAL1 0 002 The CALibrate suffix lt chn gt specifies the channel 1 or 2 The SCALe suffix lt num gt specifies either temperature 1 or humidity 2 The lt float gt parameter specifies the value for the scale parameter This command is password protected see Password Commands System Commands IDN OPT RST The system commands are used for querying instrument identification parameters temperature units and for setting operating parameters to the defined default values Returns the instrument identification string that indicates the manufacturer model number serial number and firmware version Example IDN Response FLUKE 5020A A39001 1 00 Returns a list of sensor models currently connected to the inputs Example OPT Response 5026A S 0 The model number of the sensor connected to input 1 is reported first The model number of the sensor connected to input 2 is reported second If no sensor is connected to an input the model number is reported as 0 The sensor model numbers are enclosed in quotes and separated by a comma Sets the instrument settings to defined conditions Example RST 6 35 5020A Users Manual Th
32. gt parameter specifies the channel 1 or 2 A value of 1 is returned if the specified channel is off A value of 0 is returned if the specified channel is on ROUTe OPEN lt chn gt Switches off the specified channel Example ROUT OPEN 1 The lt chn gt parameter specifies the channel 1 or 2 to switch off This command may be password protected see Password Commands Calibration Commands The calibration commands are used to access the sensor calibration parameters The calibration commands are always password protected CALibrate lt chn gt ALERt Returns the state of the sensor calibration expired alert enable for the specified channel Example CAL1 ALER Response 0 The CALibrate suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if the calibration alert is enabled for the specified channel A value of 0 is returned if the calibration alert is disabled for the specified channel CALibrate lt chn gt ALERt lt bool gt Sets the state of the sensor alert enable for the specified channel Example CAL1 ALER 1 The CALibrate suffix lt chn gt specifies the channel 1 or 2 The lt bool gt parameter turns the sensor alert on 1 or ON or off 0 or OFF This command is password protected see Password Commands CALibrate lt chn gt DATE CALibrate Returns the sensor calibration date for the specified channel Example CAL1 DATE CAL 6 33 5020A Users Manual Response 2003 9 17
33. in this response lt bytes gt followed by a marker 11 followed by a string of binary data lt binary data gt The number of bytes in the lt binary data gt portion of the response may be anywhere between 1 and lt num gt bytes 256 if lt num gt is not specified Use the DATa RECord OPEN command to determine the exact number of bytes in the open set of data DATa RECord TIME MIN MAX DEF Returns the data recording period in seconds Example DAT REC TIME Response 120 Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively DATa RECord TIME lt num gt MIN MAX DEF Sets the data recording period setting in seconds Example DAT REC TIME 60 The lt num gt parameter indicates the number of seconds between recording readings to memory Specifying the MIN MAX or DEF parameter sets the data recording period to the minimum maximum or default value respectively This command may be password protected see Password Commands Measurement Control Commands The measurement control commands are used to access settings related to the sensors and the measurement activities INITiate Provided for compatibility but has no effect INITiate CONTinuous Returns the continuous state which is always 1 Example INIT CONT Response 1 SENSor AVERage Returns the measurement average setting Digital Communications Interface 6 Commands Example SENS AVER Response 1
34. injury follow these guidelines e DO NOT use this unit in environments other than those listed in the User s Manual e Follow all safety guidelines listed in the User s Manual e Calibration equipment should only be used by trained personnel Introduction and Specifications 1 Safety Information The AC adapter can present safety concerns if misused or damaged To avoid the risk of electric shock or fire do not use the AC adapter outdoors or in a dusty dirty or wet environment If the cord case or plug of the adapter is damaged in any way discontinue its use immediately and have it replaced Never disassemble the AC adapter Use only the AC adapter provided with the instrument or equivalent adapter recommended by the manufacturer of this instrument The AC adapter has circuits with high voltage inside that could present danger of electrical shock or fire if exposed If the AC adapter is damaged in any way or becomes hot discontinue its use immediately disconnect it from any AC supply and have it replaced Do not attempt to open repair or continue using a damaged or defective AC adapter The instrument battery can present danger if not handled properly To avoid the risk of exposure to dangerous substances or explosion immediately remove the battery and discontinue use if it leaks or becomes damaged Never allow the battery to be shorted heated punctured or dropped If the instrument is physically damaged immediate
35. not available with the IrDA mode The OFF option turns the IR port off Press the 4 P buttons to select a parameter setting Use the buttons to move between parameters Press the button to save the new setting Press the button to cancel any changes and to exit to the menu Password The PASSWORD function is used for changing the password required for access to password protected parameters and for determining whether or not to password protect those given parameters When this function is selected the PASS parameter is displayed The password must be entered correctly to access the password settings Press the 4 buttons to highlight the digit you want to change Use the buttons to scroll through the numbers 0 9 to set each digit of the password Press the button to accept the password or press the button to cancel any changes and exit to the menu Menu Functions 5 System Menu 5 PASSWORD T 2 1 94 C Enter Faseuord EH e PASS ieam 1 29 2 Ao 22 08 25 09 04 2003 avu045 jpg Figure 5 44 Password By default the password is set to 5020A when the instrument ships from the factory We recommend the user changes the default password to secure the password protected settings NOTE Keep your password in a secure location If an incorrect password is entered the message WRONG PASSWORD is displayed and access to the password protected parameters is denied Press the button to reenter the password
36. number and measurement type T or H must first be selected using 4 and ENTER buttons 21 870 29 3 22 05 20 09 04 2003 Figure 5 35 Sensor Alarm avu036 jpg The PARAM parameter is selectable between 1 T 1 H 2 T 2 H The 1 and 2 refer to the channel selected T is temperature and H is humidity The buttons are used to select the menu option The 4 gt buttons are used to change the parameter setting Press the button to save the new setting Press the button to cancel any changes and exit to the menu Once an option is selected the parameters LOWER L ENAB UPPER U ENAB RATE R ENAB and SENSOR for the given channel 1 or 2 and measurement type T or H are displayed The LOWER parameter is the lower limit alarm The L ENAB parameter is used to turn the lower limit alarm ON or OFF The UPPER parameter is the upper limit alarm The U ENAB parameter is used to turn the upper limit alarm ON or OFF The RATE parameter is the upper limit of the absolute value of the rate of change expressed in degrees hour or RH hour The R ENAB parameter is used to turn the rate alarm ON or OFF The SENSOR parameter is used to turn the sensor fault alarm ON or OFF The buttons are used to select the menu option The 4 buttons are used to change the parameter setting Press the button to save the new setting Press the button to cancel any changes and exit to the menu System Alarm 5 26 The SY
37. numeric digits space and underscore can be used Press the button to save the setting Press the button to cancel any changes and exit to the menu 5 5 5020A Users Manual Sensor Lock The SENSOR LOCK function locks each sensor individually and prohibits the user from switching sensors on the locked channels This may be password protected The sensor lock is set to ON or OFF After selecting ON a screen is displayed showing the sensor channel number serial number and the message NOW LOCKED When the sensor lock is ON the thermo hygrometer measures only on that channel using the sensor that was attached when sensor lock was set ON This can be used to prevent inadvertent attachment of an uncalibrated sensor or one that is not in the desired location It uses the sensor serial number to identify the sensor To exchange a different sensor the sensor lock must be set to OFF avu007 jpg Figure 5 6 Sensor Lock Use the buttons to select the sensor to lock The 4 buttons are used to select ON or OFF Press the button to save the setting and exit Press the button to cancel any changes and exit to the menu Sensor Cal 5 6 The SENSOR CAL function allows the sensor parameters to be edited This function is always password protected If an incorrect password or no password is entered the parameters are displayed but cannot be edited If a correct password is entered the channel sensor model sensor serial numbe
38. parameter AHOS and the new humidity offset parameter RHerror RH3 THerror RH2 RHmedian 5 AHOS RHmedian HOS HOS AHOS Enter the new values for TOS TOS TSL TSL HOS HOS and HSL HSL into the thermo hygrometer Also set the DATE to the current date and set the DUE date for the next calibration If a power on warning message is desired when the DUE date expires set ALERT to ON Do not change the serial number Press ENTER when prompted to write the new values to the sensor 7 5 5020A Users Manual 7 6 Chapter 8 Maintenance and Troubleshooting NOCH Troubleshooting E Incorrect temperature or humidity reading Missing or Scattered Graph Data Blank E Error message at power up Self Test Error Messages ccccccsssesssesssecssecsseceneceseenseeneeeeeesseeseaeeeseeeeeeaaes Start up Error Messages lila Downloading Recorded Data Placement of IR Dongle for Transfer of Data CE Comments namens en nern EMC Direcliver a EE EE tout KE EE 8 Emission Testing EE 8 6 Low Voltage Directive Safety ccceccsecssecscecsecseceseceseceaeeeeeeeeeeeeeeeeneeees Frequently Asked Questions c cccccscesseesseeeseeeseeceecseeceaeceseecsaeesaeceaeenseenseenes 8 1 5020A Users Manual 8 2 Maintenance and Troubleshooting Maintenance Maintenance The calibration instrument has been designed ease of operation and simplicity of maintenance as the central theme in
39. resolutions 5 8 international electrical symbols 1 4 IR interface 6 3 IR port 5 17 5 20 5 30 5 32 IR Port 3 4 IRDA 5 17 5 20 5 32 IrDA mode 5 32 M maintenance 8 3 measurement period 5 4 5 25 measuring 4 1 4 4 menu Alarm 5 1 5 24 channel 5 3 data 5 13 DISPLAY 5 7 system 5 27 menu functions 5 3 P password 5 3 5 4 5 5 5 6 5 8 5 9 5 11 5 12 5 14 5 18 5 19 5 24 5 27 5 28 5 29 5 32 5 33 password settings 5 27 5 32 ports 5 30 power 3 5 power switch 3 5 3 6 4 3 4 4 printing 5 8 5 13 5 17 5 20 5 32 period 5 32 Q quick buttons 3 6 R rate of change 5 4 5 10 5 26 rate time 5 4 record data 5 22 recording 4 5 5 10 5 13 5 14 5 19 5 30 5 33 reset display 5 12 response time 4 6 RS 232 5 31 6 3 6 4 port connector 3 5 RS 232 communications 3 5 S safety information 1 4 self heating 4 6 self test 4 4 8 4 8 5 sensor 2 3 3 4 3 6 3 7 4 4 4 5 4 6 5 3 5 6 5 7 5 13 5 14 5 25 5 26 5 33 calibration 5 6 7 3 channel 5 6 ID 5 5 5 6 5 10 identification 5 5 lock 5 6 model 5 6 parameters 5 6 password 5 28 serial number 5 6 5 10 sensor accuracy 4 5 serial period 6 3 serial port 5 17 5 31 5 32 6 3 specifications 1 7 stabilization 4 6 stand 3 5 statistics 5 9 5 13 5 19 5 20 5 33 auto store 5 19 clear 5 21 daily 5 18 5 19 print 5 20 reset 5 19 5 21 stora
40. the humidity rate alarm limit for the specified channel in RH per hour Example ALAR RHUM1 RATE LIM 1 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 The lt float gt parameter specifies the value for the humidity rate alarm limit Specifying the MIN MAX or DEF parameter sets the humidity rate alarm limit to the minimum maximum or default value respectively This command may be password protected see Password Commands ALARm RHUMidity lt chn gt SENSor Indicates whether a humidity sensor alarm event has occurred for the specified channel Example ALAR RHUM1 SENS Response 1 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if a humidity sensor alarm event has occurred on the specified channel A value of 0 is returned if a humidity sensor alarm event has not occurred on the specified channel ALARm RHUMidity lt chn gt SENSor ENABle Returns the state of the humidity sensor alarm enable for the specified channel Example ALAR RHUM1 SENS ENAB Response 0 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if the humidity sensor alarm is enabled A value of 0 is returned if the humidity sensor alarm is disabled ALARm RHUMidity lt chn gt SENSor ENABle lt bool gt Sets the state of the humidity sensor alarm for the specified channel Example ALAR RHUM1 SENS ENAB 1 The RHUMidity suffix lt chn gt specifies the channel 1 o
41. you are done viewing the system information or the Ten button Chapter 6 Digital Communications Interface Introduction ss ea ne een Comm nications au ale ernennen eet Interface Commandes nennen Command Summary v s ccsccesseesccesadasceasssasccessveascaasaedcanaove needs Command Syntax ea ee EE Alarm COMAS Bereet SEA Measurement Commande ccceccscecesscececsscececsssceeecsssseeecsssaeeecsssaeeeceeenas INL Cer EE Measurement Control Commande Channel Commande Calibration Commandes System Commandes Communication Interface Commands Date and Time Commands cccccccceessececessceeecsssceeecssssecccssueeeceeseeeesesaes Password Commande Status Commands aia Port NUDE eek Date and Time Formats ooooonnnoccccnononocnnononcnnnonanannnnnnnnnnnnonnnnnno ANENA 6 1 5020A Users Manual 6 2 Digital Communications Interface 6 Introduction Introduction The communication feature allows an external device such as a computer to communicate with the thermo hygrometer readout to obtain measurement data and control operation settings Communication is accomplished by issuing commands to the thermo hygrometer readout through RS 232 or IR communication ports Communications The thermo hygrometer readout is equipped with an RS 232 serial interface and an infrared window The serial interface allows communications up to distances of approximately 50 feet The IR interface allows close proximity line o
42. 054 tif Figure 3 3 Right and Left Side View Left Side Panel The left side panel consists of the DC power socket the RS 232 port and the data card slot 12 V DC Power Socket The DC plug of the AC adapter plugs into the 12V DC power socket to power the instrument RS 232 Port Connector This socket is for interfacing the thermo hygrometer to a computer or terminal using serial RS 232 communications Data Card Slot An optional data card is installed in this slot for additional memory storage and data transfer with a computer Back Panel The back panel contains the stand power switch battery compartment and product information including serial number see Figure 3 4 Stand The stand can be used to prop up the thermo hygrometer on a flat surface 3 5 5020A Users Manual Battery Compartment The battery compartment holds a 9V alkaline battery used as a backup power source to maintain continuous measurement during a power outage Power Switch The power switch turns the power on and off to the thermo hygrometer including power from the battery Before disconnecting the AC adapter from the instrument switch the power off to prevent draining the backup battery Serial Label The serial label shows the instrument model and serial number avu055 tif Figure 3 4 Back Panel Quick Buttons When the main screen is displayed the buttons have the following functions Il This button is used to display the men
43. 26 sensor 5 26 setting 5 25 system 5 26 view 5 27 alarm menu 4 4 alarm screen 4 4 alarm window 3 3 3 6 average 5 4 5 10 5 18 5 20 B basic operation 4 3 battery 2 3 2 4 3 5 3 6 4 3 4 4 5 10 5 25 5 26 5 34 alarm 5 26 baud rate 5 31 6 3 6 10 6 13 6 37 beep 5 25 buttons 3 3 3 4 3 6 C calibration 7 3 7 4 7 5 sensors 7 3 channel setting 5 4 clear data 5 18 clock 5 29 Index commands 6 3 6 4 6 11 6 12 6 13 6 22 6 25 6 26 6 30 6 32 6 33 6 35 6 37 6 39 6 41 6 42 6 44 alarm 6 12 6 13 calibration 6 12 channel 6 12 communication interface 6 12 compount 6 4 data 6 12 data and time 6 12 measurement 6 12 measurement control 6 12 password 6 12 query 6 4 status 6 12 system 6 12 communication 6 3 communication port settings 5 27 condensation 4 5 4 6 contacting Fluke 1 6 contrast 4 4 5 8 D daily statistics 5 29 5 30 5 33 data card 3 5 3 7 5 13 5 22 5 23 date format 5 29 daylight saving 5 29 DC power socket 3 5 decimal 5 8 5 31 delta 5 10 dew point 5 10 display layout 5 9 5 30 E environmental conditions 1 8 error mesage 8 4 error messages 5 30 start up 8 5 Users Manual extension cable 4 4 F firmware version 5 34 G graph 5 11 5 12 5 14 5 16 5 24 5 30 humidity 5 11 5 24 temperature 5 11 graphs 5 9 H heat index 5 10 humidity display
44. 5 changes within 20 to 70 RH RH Display Resolution User selectable up to 0 01 0 1 recorded Inputs Two sensors each measuring temperature and relative humidity each is detachable cable extendable and interchangeable with self contained calibration each may be assigned a unique 16 character identification Display 240 x 128 graphics monochrome LCD displays temperature and humidity data graphically numerically and statistically 16 pre defined user changeable screen set ups are included Memory 400 000 typical individual time stamped readings excluding data card storage Alarms Visual and audio alarms for temperature temperature rate RH RH rate and fault conditions Communications RS 232 and IR Data Card Interface Removable data card for transferring data to a computer data can likewise be uploaded from a data card into the 5020A for graphical and statistical display Enclosure The 5020A may be wall mounted hardware included or set on a benchtop Power 12 V DC from external 100 240 VAC power supply Battery Backup Standard 9V battery to allow continued measuring during power disruptions Operating Range 0 C to 50 C 5020A Users Manual Size 5020A 125 mm Hx 211 mm W x 51 mm D 4 9 in x 8 3 in x 2 0 in Size Probes 79 mm H x 19 mm dia 3 1 in H x 0 75 in Weight 0 7 kg 1 5 Ib Calibration Certificate of NIST traceable tempera
45. ATA VIEW 23 795 40 4 08 53 37 09 04 03 avu020 jpg Figure 5 19 Data View Begin Time DATA UIEN DATE O9 O5 03 ooon SEHSOR 1 AS38005 SENSOR 1 SEHS R 2 A35009 SENSOR 1 TIME 17T 1 FH 2 T 2 RH 13128161 ON ES 13 39 43 ble Lib Coo 13 22 44 23 830 43 1 ana an 13 SE 250 hie 43 1 Ss ss nss 153 Side 3 S40 di 1 2 u 1 on 13 25 47 Z SOL di 1 un 2 seas 13 25 48 23 040 43 0 cansa See ar ai e ee avu021 jpg Figure 5 20 Data View Numeric Format The numeric mode displays the data in a numeric format The BEGIN parameter specifies the starting date and time of the data to display Use the 4 buttons to adjust the start date and time The format of the start date is according to D FORM in the SYSTEM DATE TIME menu function The format of the start time is 24 hour format Press the button to display the data for the selected starting date and time Use the buttons to scroll through the data you can go back two screens and the P buttons to scroll among data blocks Press the button to cancel any changes and exit to the menu The graphic mode displays the data in a graphic format The CHAN parameter allows you to select the channel from which to view the data T CENT sets the center of the vertical axis for temperature T SCAL sets the scale H CENT sets the center of the vertical axes for humidity H SCAL sets the scale The TIME parameter is the length of data to disp
46. DC Power Source The thermo hygrometer requires 12V DC to operate The AC adapter is provided to produce the DC power from an AC mains supply A Caution For CE compliance and for proper performance use only the AC adapter shipped with the instrument If the AC adapter needs to be replaced contact an Authorized Service Center The AC adapter has circuits with high voltages inside that could present danger of electric shock or fire if exposed If the AC adapter is damaged in any way or becomes hot discontinue use immediately disconnect the adapter from any AC supply and replace the adapter Do not attempt to open repair or continue using a damaged or defective AC adapter The DC output from the AC adapter plugs into the 12 V DC power input on the left side of the instrument see Figure 3 3 Battery The thermo hygrometer uses a 9V battery to maintain continuous measurement and recording during power outages The recommended battery type is a standard 9V alkaline battery NEDA 1604A or IEC 6LR61 During a power outage or when the AC adapter is disconnected the display will be inoperable but measuring will continue if the 9V battery is installed If the alarm is enabled the beeper will sound periodically to alert the user of the loss of external power With a fresh alkaline battery measuring will continue during a power outage for typically about 16 hours During normal operation the battery charge is regularly checked and if the lo
47. FLUKE 9020A Thermo Hygrometer Users Manual December 2003 O 2003 Fluke Corporation All rights reserved All product names are trademarks of their respective companies LIMITED WARRANTY AND LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service The warranty period is one year and begins on the date of shipment Parts product repairs and services are warranted for 90 days This warranty extends only to the original buyer or end user customer of a Fluke authorized reseller and does not apply to fuses disposable batteries or to any product which in Fluke s opinion has been misused altered neglected contaminated or damaged by accident or abnormal conditions of operation or handling Fluke warrants that software will operate substantially in accordance with its functional specifications for 90 days and that it has been properly recorded on non defective media Fluke does not warrant that software will be error free or operate without interruption Fluke authorized resellers shall extend this warranty on new and unused products to end user customers only but have no authority to extend a greater or different warranty on behalf of Fluke Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price Fluke reserves the right to invoice Buyer for importation costs of rep
48. Keep the sensors clean and away from fluids and dust Technical Support Contact Fluke if you need technical support When calling please have the following information ready e Model 5020A e Serial Number e Voltage e Complete description of the problem To call using one of the following phone numbers USA 1 888 99 FLUKE Canada 1 800 36 FLUKE Europe 31 402 675 200 Japan 81 3 3434 0181 Singapore 65 738 5655 Anywhere in the world 1 425 446 5500 Or visit Fluke s Web site at www fluke com 1 6 Specifications Introduction and Specifications 1 Specifications Temperature Range 0 C to 50 C Temperature Accuracy CH Model 16 C to 24 C 0 125 C calibrated 0 C to 16 C 24 C to 50 C 0 5 C uncalibrated typical Temperature Accuracy S Model 15 C to 35 C 0 25 C calibrated 0 C to 15 C 35 C to 50 C 0 5 C uncalibrated typical Delta Temperature Accuracy 0 025 C for 1 C changes within 15 C to 35 C Temperature Display Resolution User selectable up to 0 001 C 0 0 1 C recorded RH Range 0 to 100 RH RH Accuracy H Model 20 to 70 RH 1 5 RH calibrated 0 to 20 RH 70 to 100 RH 3 RH uncalibrated typical RH Accuracy S Model 20 to 70 RH 2 RH calibrated 0 to 20 RH 70 to 100 RH 3 RH uncalibrated typical Delta Humidity Accuracy 1 0 for
49. LLED parameter shows the percentage of storage space used The BYTES parameter shows the number of bytes stored The CAP parameter shows storage capacity in bytes The INDEX parameter shows percentage of space used in the record block index The BEGIN parameter is the date of the earliest data The END parameter is the date of the latest data 5020A Users Manual om ATA ata 1 P hows FO gett Ti 08 54 37 09 0 4 03 Press ENTER RER e SE 2 EE ENEE Figure 5 22 Data Storage avu023 jpg Press the or r button to exit Data Clear The DATA CLEAR function clears the data collected This function may be password protected 7 238 1 C vue G 7 40 9 ii de Betz 08 54 49 09 04 03 press enter ZA Ee Ee Gr een r T AAA avu024 jpg Figure 5 23 Data Clear Press the button to clear the data Press the button to cancel any changes and exit to the menu A Caution Using this function will erase all recorded data and make it irretrievable Daily Stats The DAILY STATS menu can be used to record measurement statistics such as average maximum minimum maximum rate etc for each day Up to 60 days of statistics are stored Earliest statistics are erased automatically if needed to store another day s statistics DAILY STATS can be set up to automatically store the running statistics on Menu Functions 5 Data Menu any hour of the day and automatically reset the statistics on any hour Meas
50. Me lt num gt DATa DSTat RECord FIND lt year gt lt month gt lt day gt DATa DSTat RECord VALue lt num gt lt chn gt lt type gt DATa RECord CLEar DATa RECord FEED RHUMidity lt chn gt DATa RECord FEED RHUMidity lt chn gt lt bool gt DATa RECord FEED TEMPerature lt chn gt DATa RECord FEED TEMPerature lt chn gt lt bool gt Resets all running statistics Returns a running statistic for the specified channel Returns statistical type for the specified channel temperature humidity type Returns rate calculation for the specified channel Returns the rate time span Sets the rate time span Returns the display resolution Sets the display resolution Returns the state of the daily stats recording enable Enables or disables the daily stats recording enable Returns the daily stats recording time Sets the daily stats recording time Returns the state of the statistics reset enable Enables or disables the statistics reset Returns the statistics reset time Sets the statistics reset time Returns the daily stats record begin time Clears all daily stats records Returns the daily stats record count Returns the daily stats record date Returns the daily stats record end time Returns the daily stats record number for the given date Returns the daily stats statistical calculation Clears all recorded data Returns the state of the humidity recording for the specified channel Enables or disables the
51. NUTE parameter allows the user to set the time of day clock minutes 0 through 59 The SECOND parameter allows the user to set the time of day clock seconds 0 through 59 The T FORM parameter allows the user to set the time format used for displaying the time The choices are 12 hour format or 24 hour format The DAY parameter allows the user to set the current day of the month 1 31 The MONTH parameter allows the user to set the current month 1 12 The YEAR parameter allows the user to set the current year 1999 through 9999 The D FORM parameter allows the user to set the date format used when displaying the date The choices are M D Y Y M D YYYY D M Y Y and D M Y Y Y Y The DAYL S parameter allows the user to set the clock to automatically adjust for daylight saving shifts in the spring and fall The choices are N AMER United States and Canada EUROPE or OFF Be aware that automatic time changes due to the daylight saving time shift feature and also manual time changes for that matter will cause discontinuities in the time that may have unusual effects that should be noted One possible effect is with recorded daily stats If the record time is reached twice within one day due to a time shift backwards daily stats will be recorded twice for the same date This can happen if the daily stats record time is set to 00 00 the daylight saving mode is set to Europe and a fall backwards time shift occurs Since the time 00 00 o
52. RAPH TS Z HE H i e 3 rn di as A an ee AS ROA avu014 jpg Figure 5 13 Graph Scale Select Zone avu015 jpg Figure 5 14 Graph Scale Use the ie button to edit and save the new setting Press button to cancel any changes and exit to the menu On the last parameter press the button to exit to the menu Display Reset The DISPLAY RESET function allows all display layouts field data settings and graph scale settings to be reset to original settings This may be password protected Use the button to reset the display settings Press the button to cancel any changes and exit to the menu 5 12 Menu Functions 5 Data Menu avu016 jpg Figure 5 15 Display Reset Data Menu The DATA menu contains functions for recording measurement data and statistics as well as transferring data to the data card The functions that appear in this menu are DATA RECORD DAILY STATS and DATA CARD avu017 jpg Figure 5 16 Data Menu Use the buttons to select the menu Press the button to select the menu Press the button to cancel any changes and exit to the menu When recording is enabled measurements are stored in memory at the set period The data is highly compressed digitally to achieve a high storage density This is done by storing data in blocks headed by product and sensor identification and time information that applies to subsequent measurements up to the start of the next data block A ne
53. Register If any bit in the Operation Status Event Register is set 1 while its corresponding mask bit in the Operation Status Enable Register is set the Operation Status Bit in the Status Byte Register will be set The value of the lt num gt parameter is a number from 0 to 15 that is the sum of the binary weighted values of each mask bit The Operation Status Event Register is described in Section 8 4 11 13 STATus OPERation The following example causes the Operation Status Bit in the Status Byte Register to be set when measurements on both channels have been completed Example STAT OPER ENAB 16 Response 16 STATus QUEStionable This command reads and clears the Questionable Status Event Register The value returned indicates the condition of each of the eight bits of the register by adding the binary weighted values of each bit The meaning of each bit when set 1 is as follows where 0 is the least significant and 7 is the most significant 0 no problem Bit 0 Not used Bit 1 Not used Bit 2 Not used Bit 3 Not used Bit 4 Measurement Invalid bit Bit 5 Not used Bit 6 Not used Bit 7 Not used Example STAT QUES Response 16 6 51 5020A Users Manual STATus QUEStionable CONDition This command reads the Questionable Status Condition Register Reading this register does not affect it The value returned indicates the condition of each of the eight bits of the register by adding the binary weighted values of ea
54. Returns the SCPI version number Returns the measurement period Sets the measurement period Returns the temperature unit Sets the temperature unit 5020A Users Manual Commands Table 4 lists the commands in alphabetical order In this section the commands are arranged into the following groups Alarm Commands commands for alarm settings alarm commands Measurement Commands commands for reading measurement data Data Commands commands for setting and reading data information Measurement Control Commands commands for the timing and action of the measurement process Channel Commands commands for selecting channels Calibration Commands commands for calibration settings System Commands commands for general system configuration parameters Communication Interface Commands commands for controlling the interface configuration serial and IR ports Date and Time Commands commands for setting the date time and the date and time formats Password Commands commands for enabling and disabling the password for setting the password and for checking the password protection state Status Commands commands to report the status and condition of the instrument Each section provides the command structure long and short format a description of the command purpose a command example an example of what the command returns as applicable to query commands and notes specific to the command The following apply t
55. STEM ALARM function allows the battery or power alarms to be turned ON or OFF When the BATTERY alarm is turned ON an alarm occurs when the battery charge is low When the POWER alarm is ON and a battery is installed an alarm occurs when the power is disconnected This alarm will continue to sound every 20 seconds until power is restored or the battery is discharged Menu Functions 5 System Menu avu037 jpg Figure 5 36 System Alarm The buttons are used to select the menu option The 4 buttons are used to change the parameter setting Press the button to save the new setting Press the button to cancel any changes and exit to the menu Alarm View The ALARM VIEW function displays alarm occurrences The word ALARM flashes at the top ofthe display and any alarm condition is displayed with the time and date that the alarm occurred avu038 jpg Figure 5 37 Alarm View Press the button to clear the alarms Press the button to retain any alarms and exit to the menu System Menu The SYSTEM menu provides access to the general settings for the system such as temperature unit date and time the communication port settings password settings and viewing the system information The functions that appear in this menu are SYSTEM SETTING DATE TIME COMM SETTING PASSWORD and SYSTEM INFO 5 27 5020A Users Manual T 21BIT ir item RH o 20 2 Jee item EXIT 22 06 20 e 03 04 2003 Figu
56. Section Date and Time Formats shows the supported date formats SYSTem DATE FORMat lt num gt MIN MAX DEF Sets the date format used for the display Example SYST DATE FORM 0 The lt num gt parameter can be any of the values indicated in Section Date and Time Formats Specifying the MIN MAX or DEF parameter sets the date format to the minimum maximum or default value respectively This command may be password protected see Password Commands SYSTem DECimal FORMat MIN MAX DEF Returns the decimal format used for the display Example SYST DEC FORM Response 1 A value of 0 is returned if the decimal format is using a period A value of 1 is returned if the decimal format is using a comma Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively SYSTem DECimal FORMat lt num gt MIN MAX DEF Sets the decimal format used for the display Example SYST DEC FORM 0 The lt num gt parameter can be 0 or 1 If a value other than one listed here is used the instrument automatically selects the nearest acceptable value that is less than the value entered Specifying the MIN MAX or DEF parameter sets the decimal format to the minimum maximum or default value respectively SYSTem TIME Returns the clock time Example SYST TIME Response 11 43 23 The response is returned in the format lt hour gt lt minute gt lt second gt Note T
57. The display can be configured to display the measurements in a variety of numerical and graphical formats For information on the various modes of operation of the thermo hygrometer see Menu Functions Chapter 3 Parts and Controls Introduction Front Panel Top BT Right Side Panel Left Side Panel Back Pel an aaa Quick EE Configurations Accessories 5020A Users Manual 3 2 Parts and Controls 3 Introduction Introduction The functions of the various features of the thermo hygrometer are described below Front Panel The front panel buttons fe Y P and are used to select and alter the functions of the thermo hygrometer see Figure 3 1 5020A THERMO HYGROMETER avu052 tif Figure 3 1 Front Panel The buttons have different functions depending on whether the main screen or the menu system is displayed The functions of each of the buttons from the main screen are as follows This button is used to display the menu options This button is used to display the alarm window With the alarm window displayed the Exit button can be used to return to the main screen while preserving the alarm events or the Enter button can be used to clear the alarm events and return to the main screen d These buttons are used to move among enabled display layouts A W These buttons are used to adjust the display contrast for darker and for lighter The functions of each of the buttons within the men
58. Y OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES INCLUDING LOSS OF DATA ARISING FROM ANY CAUSE OR THEORY Since some countries or states do not allow limitation of the term of an implied warranty or exclusion or limitation of incidental or consequential damages the limitations and exclusions of this warranty may not apply to every buyer If any provision of this Warranty is held invalid or unenforceable by a court or other decision maker of competent jurisdiction such holding will not affect the validity or enforceability of any other provision Fluke Corporation Fluke Europe B V P O Box 9090 P O Box 1186 Everett WA 98206 9090 5602 BD Eindhoven U S A The Netherlands 11 99 To register your product online visit register fluke com Table of Contents Chapter Title 1 Introduction and Specifications REESEN IO UC Sg ek kn eh le Symbols BET Safety Information insesi eege edd SES Seege Ee Technical SUpPOrt eiorinn cance SEENEN dente via consedsdenssedoecsyas e E e Environmental Conditions oooooccconnnonononononononnnnn nono nono nooo nooo nnno nono nnnnn orion nano naninnnns AC Adapter nn ensure anake General e EE 2 A E AEAEE ENNEA Introduction an Ba nes eek UnDackino ua ea eege Use Proper Catia ana EE Learn About the Features and Components Install the Batteries ice Connect the Sensor c cccccsscs
59. age lt type gt Returns the specified statistical calculation for the specified channel Example CALC1 PAR1 AVER4 Response 25 186 The CAL Culate suffix lt chn gt specifies the channel 1 or 2 The PARamenter suffix lt num gt specifies temperature 1 or relative humidity 2 The AVERage suffix lt type gt specifies the statistic average 1 standard deviation 2 minimum 3 maximum 4 spread 5 maximum rate 7 or alarm count 8 Temperature values are in the current temperature unit C of F CAL Culate lt chn gt PARameter lt num gt AVERage lt type gt CLEar Resets all of the running statistics for both channels This is the same as the CALCulate A VERage CLEar command 6 22 Digital Communications Interface 6 Commands CALCulate lt chn gt PARameter lt num gt AVERagel lt type gt DATA Returns the specified statistical calculation for the specified channel This is the same as the CALCulate chn PARameter lt num gt A VERage lt type gt command see CAL Culate lt chn gt PARameter lt num gt A VERage lt type gt T YPE Returns the name of the specified statistical type for the specified channel Example CALC1 PAR1 AVER4 TY PE Response T MAX The CALCulate suffix lt chn gt specifies the channel 1 or 2 The PARamenter suffix lt num gt specifies temperature 1 or relative humidity 2 The AVERage suffix lt type gt specifies the statistic average 1 standard devi
60. air replacement parts when product purchased in one country is submitted for repair in another country Fluke s warranty obligation is limited at Fluke s option to refund of the purchase price free of charge repair or replacement of a defective product which is returned to a Fluke authorized service center within the warranty period To obtain warranty service contact your nearest Fluke authorized service center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination If Fluke determines that failure was caused by neglect misuse contamination alteration accident or abnormal condition of operation or handling including overvoltage failures caused by use outside the product s specified rating or normal wear and tear of mechanical components Fluke will provide an estimate of repair costs and obtain authorization before commencing the work Following repair the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges FOB Shipping Point THIS WARRANTY IS BUYER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANT
61. alibration the calibration procedure is outlined as follows Equipment e Temperature humidity chamber to use as a relative humidity reference and a stable temperature environment 0 37 RH uncertainty or better is recommended e PRT and associated readout to use as the reference thermometer 0 03 C uncertainty or better is recommended e 5020A Thermo Hygrometer to use to read the 5026A x sensor e An extension cable to connect with the 5026A x sensor placed inside the temperature humidity chamber Preparation Allow the 5026A x sensor to dry out in air with relative humidity between 20 and 50 and temperature between 16 and 30 C for 24 hours before calibration Place the 5026A x sensor inside the temperature humidity chamber near the center attached to an extension cable that runs to the 5020A outside the chamber Place the PRT inside the chamber with the tip close to the tip of the 5026A x sensor Run the probe cable to the outside of the chamber and connect it to the PRT readout Calibration Points Each measurement parameter both temperature and relative humidity is calibrated at three points throughout its range with the other parameter held constant at the center of its range The following tables list the calibration points for the two sensor models and for both measurement parameters Table 7 1 5026A S Temperature Calibration Points Table 7 2 5026A S Relative Humidity Calibration Points Relative Humidity at
62. assword protection Example SYST PASS STAT Response 0 A value of 1 is returned if the statistics settings password protection is enabled otherwise a value of 0 is returned SYSTem PASSword STATistics lt bool gt Sets the state of the statistics settings password protection 6 43 5020A Users Manual 6 44 Example SYST PASS STAT 1 The lt bool gt parameter turns the statistics settings password protection on 1 or ON or off 0 or OFF This command is password protected Commands protected with this setting are CALC AVER CLE and DATA DST SYSTem PASSword TIME Returns the state of the date and time password protection Example SYST PASS TIME Response 0 A value of 1 is returned if the date and time password protection is enabled otherwise a value of 0 is returned SYSTem PASSword TIME lt bool gt Sets the state of the date and time password protection Example SYST PASS TIME 1 The lt bool gt parameter turns the date and time password protection on 1 or ON or off 0 or OFF This command is password protected Commands protected with this setting are SYST DATE SYST DATE FORM SYST TIME SYST TIME DAYL and SYST TIME FORM Status Commands The status commands are used for querying and setting the state of the instrument registers For details on the operation of the status registers refer to the SCPI standards CLS Clears the status registers Example CLS This clears the error que
63. asvedecana conccashavaves iS Alarm VIEW EE System MENU a System RA D te TE EE eener EE DV STA lls EE Contents continued PassWord A aana NE ANNEE aN ANANN aO KLL DEE 6 Digital Communications Interface uunuununnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn A ee Pe rer Communications 00 0 eccecccceessececsessececeesececsesececceesseeeceesseecceesseeeceeseeeeseseecesenaes Sra Ke Interface Commande s sicccssesscessceseeessssessecssoesscesscesutessoesseesdsosseessvesieeessoseteteasesee Command Summary Command Syntax conoccnocnconnnonnnonnonnnonn nono nonn nono nono nn cnn cnn rr rara nr nr Cominands a Eed AAA AEEA EA Measurement Commands cccecccscecsessecccsssececssssececsssseccessseecessnseeecesnes Data Commands cccceccccecssscececssssececssscecccsssseccesssseeecssseecesssseeeeseseeeeeesaes Measurement Control Commande Channel Command sisi vccscssccsssess dust sosdecestesicvsesscedecesnesedgstcnsdecssbesecgstvesiecsaneveds Calibration Commandes System Commandes Communication Interface Commande Date and Time Commands ccccccccceesseccessscececesssececsssseccesssseeceserseeeesenaes Password Commande Status Commandes Port Numb ui acia Date and Time Formats ooooonnnonoccnononoccnonnnanonnonnnnnnnnnnonononnno coronan nnnnronnnnnaronnnss 7 Calibration Procedure c ccceecceecceecceecccecceecceecceccueecueeeueeeeeeaneeeueeees reel e E Se UE IN Ee Te Calibration Points e
64. ation 2 minimum 3 maximum 4 spread 5 maximum rate 7 or alarm count 8 Temperature values are in the current temperature unit C of F CAL Culate lt chn gt PARameter lt num gt RATE Returns the rate calculation for the specified channel in degrees C or F per hour for temperature or per hour for relative humidity Example CALC1 PARI RATE Response 0 74 The CALCulate suffix lt chn gt specifies the channel 1 or 2 The PARameter suffix lt num gt specifies temperature 1 or relative humidity 2 CALCulate lt chn gt P PARameter lt num gt RATE TIME MIN MAX DEF Returns the rate time span in seconds Example CALC PAR RATE TIME Response 300 Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively CAL Culate lt chn gt PARameter lt num gt RATE TIME lt num gt MIN MAX DEF Sets the rate time span for the specified channel in seconds Example CALC PAR RATE TIME 600 Specifying MIN MAX or DEF parameter sets the rate time span to the minimum maximum or default value respectively This command may be password protected see Password Commands CALCulate lt chn gt PARameter lt num gt RESolution MIN MAX DEF Returns the display resolution Example CALC PAR1 RES Response 3 The PARameter suffix lt num gt specifies either temperature resoution 1 or relative humidity resolution 2 The value returned indicates the number of dec
65. ation parameters can be accessed using the SENSOR CAL function in the CHANNEL menu The password is required to change the parameters Calculation of new calibration parameters requires Calibration Procedure T Temperature and Humidity Adjustments that the measurement errors first be obtained according to the procedure above in section Temperature and Humidity Measurement Errors After the Temperature and Humidity Adjustments procedure is completed perform the Temperature and Humidity Measurement Errors procedure again to verify the calibration 1 Calculate the adjustment ATSL to the temperature slope parameter TSL and the new temperature slope parameter 7 error T3 Terror T 1 ATSL 10 C x 73 T1 TSL TSL ATSL Calculate the slope adjusted temperature errors Tn 25 C 10 C Calculate the median slope adjusted temperature error the adjustment ATOS to the temperature offset parameter TOS and the new temperature offset parameter ER Terror T3 Terror T2 2 Calculate the adjustment AHSL to the humidity slope parameter HSL and the new humidity slope parameter RHerror RH3 RHerror RH 2 RH3 RH1 Terror Tn Terror Tn ATSL x Tmedian HSL 25 xX HSL HSL AHSL Calculate the slope adjusted humidity errors d a 0 RHerror RHn H Rerror RHn AHSL x Rn 45 0 Calculate the median slope adjusted humidity error the adjustment AHOS to the humidity offset
66. ature lt chn gt LOW ENABle lt bool gt ALARm TEMPerature lt chn gt LOW LIMit ALARm TEMPerature lt chn gt LOW LIMit lt num gt MIN MAX DEF ALARm TEMPerature lt chn gt RATE ALARm TEMPerature lt chn gt RATE ENABle ALARm TEMPerature lt chn gt RATE ENABle lt bool gt ALARm TEMPerature lt chn gt RATE LIMit ALARm TEMPerature lt chn gt RATE LIMit lt num gt MIN MAX DEF ALARm TEMPerature lt chn gt SENSor ALARm TEMPerature lt chn gt SENSor ENABle ALARm TEMPerature lt chn gt SENSor ENABle lt bool gt ALARm TEMPerature lt chn gt UPPer Returns the state of the humidity sensor alarm enable for the specified channel Enables or disables the humidity sensor alarm for the specified channel Returns the state of the high humidity event for the specified channel Returns the state of the high humidity alarm enable for the specified channel Enables or disables the high humidity alarm for the specified channel Returns the high humidity alarm limit for the specified channel Sets the high humidity alarm limit for the specified channel Returns the state of the low temperature alarm for the specified channel Returns the state of the low temperature alarm enable for the specified channel Enables or disables the low temperature alarm for the specified channel Sets the low temperature alarm limit for the specified channel Returns the state of the temperature rate alarm for the specified channel
67. ature on sensor channel 2 set REC 2 T to ON To record the humidity on sensor channel 2 set REC 2 H to ON The REC PER recording period is set by selecting 1 2 5 10 15 or 30 seconds 1 2 5 10 20 or 30 minutes or 1 hour for the REC PER Note It is recommended that REC PER be set to 5 minutes or more otherwise the memory may fill up quickly and redrawing graphs may be slow Also note that graphs can only be redrawn if the measurement for the channel is being recorded as the graph data is obtained from recorded data The recording period affects the observable time resolution of graphs 5 14 Menu Functions Data Menu A Caution When the memory has been filled the oldest block of data will be discarded to allow new data to be recorded Measurement storage capacity can range between 28 hours and 2 years depending on the record period and enabled channels Refer to Table 5 2 Approximate Data Storage Capacity Table 5 2 Aproximate Data Storage Capacity RECORD SETTING o a E i i a EE I A A dee gt CIA avu019 jpg Figure 5 18 Record Setting Use the buttons to select the setting to change The gt buttons are used to change the setting parameters Press the button to save the new setting Press the button to cancel any changes and exit to the menu Data View The DATA VIEW function allows viewing recorded data in NUMERIC or GRAPHIC format 5 5 15 5020A Users Manual 5 16 C
68. bility Directive EMC Directive 89 336 EEC The Declaration of Conformity for your instrument lists the specific standards to which the unit was tested The instrument was designed specifically as a test and measuring device Compliance to the EMC directive is through IEC 61326 1 Electrical equipment for measurement control and laboratory use EMC requirements 1998 As noted in the IEC 61326 1 the instrument can have varying configurations The instrument was tested in a typical configuration with shielded grounded probe and RS 232 cables Emissions may in non typical applications exceed the levels required by the standard It is not practical to test all configurations as the manufacturer has no control over the probes the user may connect to the instrument Immunity Testing The instrument was tested to the requirements for industrial locations This allows the instrument to be used in all types of locations from the laboratory to the factory floor Criterion B was used for Radiated RF IEC 61000 4 3 and Conducted RF IEC 61000 4 6 Therefore the operation of the instrument may be affected by excessive electromagnetic interference and the instrument may not perform within the normal specification limits in such an environment Criterion C was used for Electrostatic Discharge ESD IEC 61000 4 2 and Electric Fast Transit EFT Burst IEC 61000 4 4 If the instrument is subjected to EFT conditions at 2kV the instrument may req
69. ccurs twice for one day two daily stats records will be created for the same day It can also 5 29 5020A Users Manual occur with the North America daylight saving mode if the daily stats record time is 01 00 since this time will occur twice in one day Another effect is with viewing data on a graph in real time Data is plotted on the graph sequentially as measurements are made and the graph is scrolled uniformly No adjustment is made to the real time graph when the time changes However when a graph is redrawn using recorded data as a result of changing the display layout or cycling the power in preparation to resume real time plotting the thermo hygrometer attempts to accurately plot measurement points at the appropriate time locations Thus a one hour spring daylight saving time shift will appear as a one hour gap in the data on the graph When a jump backwards is found in the recorded data such as occurs during the fall daylight saving time shift the thermo hygrometer makes no attempt to plot the data prior to the time shift there will appear to be missing data on the left side of the graph Graphs drawn using the DATA VIEW function behave similarly when time discontinuities occur in recorded data A one hour jump forward in time causes a one hour gap in the data on the graph However a one hour jump backwards in time produces a graph that also includes the data prior to the time shift The repeated hour of data is also plotted
70. ch bit The meaning of each bit when set 1 is as follows where 0 is the least significant and 7 is the most significant 0 no problem Bit 0 Not used Bit 1 Not used Bit 2 Not used Bit 3 Not used Bit 4 Measurement invalid bit Bit 5 Not used Bit 6 Not used Bit 7 Not used Example STAT QUES COND Response 16 STATus QUEStionable ENABle This command returns the Questionable Status Enable Register see STATus QUEStionable ENABle lt num gt command below Example STAT QUES ENAB Response 16 STATus QUEStionable ENABle lt num gt MIN MAX DEF This command sets the Questionable Status Enable Register This register determines which event bits of the Questionable Status Event Register affect the Questionable Status Bit of the Status Byte Register If any bit in the Questionable Status Event Register is set 1 while its corresponding mask bit in the Questionable Status Enable Register is set the Questionable Status Bit in the Status Byte Register will be set The value of the lt num gt parameter is a number from 0 to 15 that is the sum of the binary weighted values of each mask bit The Questionable Status Event Register is described in Section STATus QUEStionable The following example causes the Questionable Status Bit in the Status Byte Register to be set when a measurement is invalid Example STAT QUES ENAB 16 Response 16 Port Numbers 6 52 The following table lists the communication ports
71. cs to be printed over serial or IR The PORT setting may be set to SERIAL or IRDA IR COMM Either IRDA or IR COMM is available for the IR port depending onthe IR MODE setting 5 20 Menu Functions 5 Data Menu avu028 jpg Figure 5 27 Stats Print Press the button to save the new setting Press the r button to cancel any changes and exit to the menu The STATS RESET function resets current statistics Statistics will then be based on measurements made from this time forward After pressing the button a WARNING message will appear requesting a confirmation of the operation If the button is pressed the stats are reset If the button is pressed the operation is canceled avu029 jpg Figure 5 28 Stats Reset The STATS CLEAR function clears all daily statistics stored in memory After pressing the button a WARNING message will appear requesting a confirmation of the operation If the button is pressed the stats are cleared If the button is pressed the operation is cancelled 5 21 5020A Users Manual avu030 jpg Figure 5 29 Stats Clear Data Card The DATA CARD function allows data to be written to a file on a data card or data ina binary rec file to be viewed The DATA CARD options are FILE WRITE and FILE y 2380 neve to up 405 u3 uag item Sg EXIT 08 57 30 Iw 5 09 04 03 p Figure 5 30 Data Card avu031 jpg The and buttons are used to select the menu function
72. d READ commands Example FORM TDST STAT 1 The lt bool gt parameter turns the time and date stamp enable on 1 or ON or off 0 or OFF MEASure lt chn gt Returns a comma delimited list of the most recent measurements for the specified channel or for both channels Example MEAS 1 Example 1 MEAS 1 Response 25 576 29 30 or Response 1 1 25 629 C 29 32 2003 9 16 11 2 38 Example 2 MEAS Response 25 582 29 32 26 341 37 96 or Response 1 1 25 629 C 29 29 2 0 C 0 2003 9 16 11 1 42 This command is equivalent to the FETC command READ lt chn gt Returns a comma delimited list of the most recent measurements for the specified channel or for both channels Example 1 READ 1 Response 25 576 29 30 or Response 1 1 25 629 C 29 32 2003 9 16 11 2 38 Example 2 READ Response 25 582 29 32 26 341 37 96 or Response 1 1 25 629 C 29 29 2 0 C 0 2003 9 16 11 1 42 This command is equivalent to the FETC command 6 25 5020A Users Manual Data Commands The data commands are used to access daily statistics or recorded measurements DATa DSTatistics ENABle Returns the state of the daily statistics recording enable Example DAT DST ENAB Response 0 A value of 1 is returned if the daily statistics recording is enabled A value of 0 is returned if the daily statistics recording is disabled DATa DSTatistics ENABle lt bool gt Sets the state ofthe daily statistics recording
73. da cotos D ta Storage nassen ernennen IR CR e E Daily Stats Stats S Ct Be ae nannten is pic EU E EH E e EE Stats Re E Stats EE Data Card File Wri Eben SES EA ENEE Alarm Menu Renn LE Sensor E E System Alari eisene SEI nisse Alarm View seinen System Menu EU Date Time 5 1 5020A Users Manual Serial 5 2 Menu Functions 5 Introduction Introduction Select the button from the front panel to access the main menu of the thermo hygrometer The main menu consists of the submenus CHANNEL DISPLAY DATA ALARM and SYSTEM Most of the menu options may be password protected to prevent them from being changed TEMPER TURE RELATIVE HUMIDITY 23 67C 399 1 JOH 1 TIME DATE 08 43 05 03 04 03 hin avu001 jpg Figure 5 1 Main Display Each submenu has its own set of functions The button is used to select and execute menu choices The buttons are used to scroll through the functions The r button is used to return from a function to the previous menu The button may be pressed and held to quickly return to the main screen 23 66 C tel ae item EH e DISPLAY ENTER 1 3 9 9 Ao accert item DATA EXIT 08 44 09 Gu art 09 04 03 SYSTEM ES e A d A A A Figure 5 2 Main Menu avu003 jpg Channel Menu The CHANNEL menu provides functions for selecting the channel setting the sensor identification setting the sensor lock and setting the sen
74. ds require parameter data to specify values for one or more parameters The command header is separated from the parameter data by a space ASCII 20 hex 32 decimal Multiple parameters are separated by a comma The thermo hygrometer readout does not allow compound commands multiple commands per line separated with semicolons All commands are sequential The execution of each command is completed before subsequent commands are processed Table 6 1 Interface Commands Returns the Standard Event Status Enable register ESE lt num gt MIN MAX DEF Sets the Standard Event Status Enable register IDN Returns the instrument identification string that indicates the manufacturer model number serial number and firmware version Digital Communications Interface 6 Interface Commands OPT Returns configuration options RST Sets the instrument operating parameters to defined conditions SRE Returns the Service Request Enable register SRE lt num gt MIN MAX DEF Sets the Service Request Enable register STB Returns the Status Byte register TST lt bool gt Returns the self test results 0 startup test 1 new test ALARm BATTery ENABle ALARm BATTery ENABle lt bool gt ALARm DISPlay lt bool gt ALARm POWer Returns the power loss alarm event ALARm POWer ENABle Returns the state of the power loss alarm enable ALARm POWer ENABle lt bool gt Enables or disables the power loss alarm ALARm RHUMidity lt chn gt LOW
75. e file to open by using the buttons and press 52 You may choose between numeric and graphic format To view data in numeric format select NUMERIC in the mode field using the Y buttons and press i Use the du buttons to scroll through the data you can go back three screens and the 4 buttons to scroll among data blocks To view data in graphic format select GRAPHIC in the mode field using the buttons and press fs The GRAPHIC mode displays the data in a graphic format The CHAN parameter allows you to select the channel from which to view the data Use T CENT T SCAL H CENT and H SCAL to set the vertical axis center and scale for the temperature and relative humidity graphs The TIME parameter is the length of data to display and may be set to 1 4 10 or 24 hours 2 5 7 15 or 30 days The DIVS parameter is the number of divisions for the graph and may be set to 1 2 4 6 8 or 10 The BEGIN parameter sets the start date and the start time The format of the start date is according to the D FORM in the SYSTEM DATE TIME menu The format of the start time is 24 hour format Alarm Menu The ALARM menu allows the setting and viewing of alarms The functions that appear in this menu are ALARM SETTING SENSOR ALARM SYSTEM ALARM and ALARM VIEW Alarm settings may be password protected 5 24 1 21 82 C E 29 1 22 03 19 09 04 2003 A Y nove to item ENTER accert item EXIT return to menu Figu
76. e following parameters are set when this command is issued e Sets the measurement period to 2 seconds e Sets the measurement averaging on e Sets printing to the serial port e Sets the temperature units to C e Sets the temperature resolution to 2 decimal places and the relative humidity resolution to 1 decimal place e Stops auto logging e Sets the statistical functions SYSTem BOOT VERSion Returns the boot ROM version Example SYST BOOT VERS Response 0 31 SYSTem ERRor Returns a message from the system error queue Example SYST ERR Response 0 No error The error queue may contain up to ten messages The messages are reported in the order they occurred Reading a message from the queue removes the message so the next message can be read If more than ten errors occur before being read the tenth error in the queue is 350 Queue overflow and all but the first nine errors are discarded All errors cause the Error Bit ERR bit 2 for the Status BYTE Register to be set Refer to Troubleshooting for the error messages SYSTem CODE VERSion Returns the firmware version Example SYST CODE VERS Response 1 00 SYSTem VERSion Returns the SCPI version number Example SYST VERS Response 1994 0 UNIT TEMPerature Returns the system temperature unit Example UNIT TEMP Response C The response is either C for Celsius or F for Fahrenheit 6 36 Digital Communications Interface 6 Commands UNIT TEMP
77. each of these parameters Statistics fields show running statistics of the measurements taken since the last statistics reset The statistics are reset automatically after power up when the STATS RESET function is used or when the time reaches the RESTIM hour and AUT RES is enabled for the DAILY STATS 5 9 5020A Users Manual Table 5 1 Field Types wo TT E TT Menu Functions 5 Display Menu ar A eegen er Figure 5 12 Field Data avu013 jpg Use the 9 gt buttons to change each of the settings Press to save and continue to the next parameter Press the button to cancel any changes and exit to the menu Graph Scale The GRAPH SCALE function allows the selection of the graph settings for each zone 1 2 3 or 4 Graph settings for each zone are used in common among all display layouts This may be password protected For each zone you may set the center of the vertical axes for the temperature graphs T CENT the temperature scale for the axes T SCAL the center of the vertical axes for the humidity graphs H CENT the humidity scale for the axes H SCAL the time axis scale time and the number of grid divisions for the graph DIVS Following is the range for each setting T CENT from 100 000 to 40 000 T SCAL from 100 000 to 0 100 H CENT from 100 000 to 0 000 H SCAL from 100 000 to 1 000 TIME from 1 4 10 24 hours and 2 5 7 15 30 days DIVS from 1 2 4 6 8 10 5020A Users Manual G
78. ed heat to avoid are incandescent lamps space heaters and other high temperature devices If such 4 5 5020A Users Manual objects cannot be eliminated consider using a heat shield between the heat source and the thermo hygrometer sensor The sensor can also be heated by warm objects close by perhaps a wall that is slightly warmer than the air in the room or even another sensor placed next to it For best results allow adequate distance between the sensor and any objects that might be at a different temperature than the air Other considerations relate to the self heating of the sensor Since the sensor contains electronic circuits that release a small amount of heat the sensor will naturally be slightly warmer than the air around it The calibration of the sensor takes this self heating into account and compensates for it But factors that alter the natural self heating can cause errors in the measurement Self heating does depend somewhat on the velocity of the air around the sensor The sensor is calibrated in nearly still air Different air velocities can cause differences in the measured temperature of the sensor as much as 0 06 C for velocities ranging from 0 to 10 cm s High velocities can cause even greater errors that can be as large as 0 15 C below the temperature measured at low velocities Thus it is recommended that the sensor be located where there is minimal air currents The self heating of the sensor could al
79. egister is read Alarm Status Bit Indicates that a bit in the Alarm Status Event Register is set and its corresponding mask bit in the Alarm Status Enable Register is set It is cleared when the Alarm Status Event Register is read Error Bit Indicates there is an error in the error queue Questionable Status Bit Indicates that a bit in the Questionable Status Event Register is set and its corresponding mask bit in the Questionable Status Enable Register is set It is cleared when the Questionable Status Even Register is read Message Available Bit Indicates that data is present in the output queue Standard Event Bit Indicates that a bit in the Standard Event Register is set and its corresponding mask bit in the Standard Event Enable Register is set It is cleared when the Standard Event Register is read Master Summery Bit Indicates that any other bit in the Status Byte Register is set and its corresponding mask bit in the Service Request Enable Register is set Operation Status Bit Indicates that a bit in the Operation Status Event Register is set and its corresponding mask bit in the Operation Status Enable Register is set It is cleared when the Operation Status Event Register is read The Status Byte Register can not be set or cleared directly but always reflects the current state of the reported conditions Example STB Response 4 TST lt bool gt Reports the results of the self test Example TST Response
80. el Example SENS1 IDEN CHAMBER3 The SENSor suffix lt chn gt specifies the channel 1 or 2 The sensor identification field is set to the value indicated by lt str gt The sensor identification can be up to 16 characters in length and consist of any combination of numbers letters underscores and spaces This command may be password protected see Password Commands 6 31 5020A Users Manual SENSor lt chn gt STATe Returns the sensor status for the specified channel Example SENS1 STAT Response 0 The SENSor suffix lt chn gt specifies the channel 1 or 2 The response to this command is a number that indicates the state of the sensor on the specified channel A value of 0 indicates a sensor is connected and reading properly The table below details all other possible values Note that the response may indicate more than one of the following conditions Bit Value Definition 0 1 Sensor not attached 1 2 Sensor read error 2 4 Sensor checksum error 3 8 Sensor calibration parameter error 4 16 Sensor calibration date error 5 32 Invalid sensor ID 6 64 Invalid sensor serial number 7 128 Sensor lock is enabled and the wrong sensor is connected TRIGger TIMer MIN MAX DEF Returns the measurement period setting in seconds Example TRIG TIM Response 1 Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively TRIGger TIMer lt num gt MIN MAX DEF
81. encssecesetssecssecsseetecsccsessectseatdenscoetcorsceetecsrtenescevtesetes Connect the Power Source Switch the Power On Measure Temperature ceci diia ae nee 3 Parts and Control KKK KAREN KEREN KAREN KEREN mann nano nano nano nennen INtPOGUCHON EEN Eent Panel el ae Ee Top Palin cin nike Right Side Panel ninia aiii Weft Side Panel 2 naar ruhen Back Pa el conta ae ie a en Quick Butt unicas ee e EE EE 5020A Users Manual 4 General Operation iia card teedendetees Introducido eeiene DE POW e Battery E Sensor Configuration ccooonnoonnonnnonnnonnnonnnonn nono nono ncnn nono nono n nro n nr nn rn rr rra nr rra Power Mi a sic Power On Self Test Display Contra duties A RR Alarm AN ii WEE ita it de edt Udri iii cdf Unit Of Temperature iii a a css Recording Measurements IO cis 5 Menu Functions cccceeceecceccecceccesceeceececceccueceneeneeueeeeeuseeeeueeeuseneenens Jntroducpon nn nr nana nn nr rana nn nr rana nnnrnnnns Channel Meli Chanel Setting a A E Sensor Lock EE Sensor Cal EE Display Memes iere kei E Eet essen ie Display E EE Eield Dalaran ase Graph Scale an ae een ae EE RI HE EE IR CR EE Record Setting ein ae nn Ee IR CRT Data EE Data ao adi aii RL Ce EE KIK Stats TEE IEN EE Stats Print eg deeg ee tee dE Stat Resinas aiii Sas Cl riada Dita Can EE DUU EE EEN eege Alarm Mem alii EE Alarm Setting e eiaa senken ere Sensor Alain EE System Arl rgt seet Been s
82. ensor automatically reads its calibration parameters and begins to measure if the channel is enabled see Measuring Power Switch To operate the thermo hygrometer slide the rear power switch to the ON 1 position When the thermo hygrometer is not being used slide the power switch to the OFF O position before disconnecting the power source to preserve the battery Power On Self Test When power is turned on the thermo hygrometer performs a self test checking the system sensors sensor calibration parameters memory and buttons If an error occurs an error message is displayed See Troubleshooting for additional information on error messages Display Contrast If the display appears too dark or too light you can use the and Y buttons at the main screen to adjust the contrast The contrast can also be adjusted from the DISPLAY SETTING menu see Display Setting Display The thermo hygrometer display is originally configured with six default display layouts enabled The user can enable and configure any of the 16 display layouts to show a variety of data in numerical or graphical format see Display Layout Enabled display layouts can be quickly selected from the main screen using the and P buttons Alarm Screen The Alarm Screen can be accessed from the main screen by pressing Exit or by entering the Alarm Menu see Alarm Menu If enabled the alarm screen will appear automatically when an alarm event occurs When an
83. erature lt unit gt Sets the system temperature unit Example UNIT TEMP C The lt unit gt parameter must be either C or CEL for Celsius or F or FAR for Fahrenheit The RST command sets the temperature unit to Celsius Communication Interface Commands The communication interface commands are used for querying and setting serial port and IR configuration parameters SYSTem COMMunicate IR MODE Returns the IR mode setting Example SYST COMM IR MODE Response 0 A value of 0 is returned if the IR mode is off IR port is disabled A value of 1 is returned if the IR mode is in communications mode COMM A value of 2 is returned if the IR port is in IRDA mode IRDA SYSTem COMMunicate IR MODE lt num gt Sets the IR mode setting Example SYST COMM IR MODE 1 The lt num gt parameter specifies the IR mode setting A value of 0 turns IR mode off IR port is disabled A value of 1 sets the IR mode to communications mode COMM A value of 2 sets the IR mode to IRDA mode IRDA SYSTem COMMunicate SERial BAUD MIN MAX DEF Returns the serial port baud rate setting Example SYST COMM SER BAUD Response 2400 Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively SYSTem COMMunicate SERial BAUD lt baud gt MIN MAX DEF Sets the serial port baud rate setting Example SYST COMM SER BAUD 9600 The lt baud gt parameter can be one of the following values 1200 2400 4800
84. est Error Messages cccscccscccssecsseeessecsecseecsaeceseceseceseeseeseneseneseseseseesnaeenaes 5020A Users Manual vi List of Figures Figure Front Panel geseet tee ee Top Panel een se ee Right and Left Side View rasante aa aeg IER E M in KEE Main Memi tada A Lanse sib dies Display E UE IR Ee EE Display EE INTE RK EE Graph Scale Select Zone ririn ieri o ER EEA Graph Scale noia iio ere Display EE Data Me r EEIE A E NNO A NE E REENEN Record EE Data View Begin TIM iii ri a ias Data View Numeric Format Dita Pasac Data e Data li cada dia Daly sia as Stats EE Stats EE StS PrN e aa A ere ee ee ERT EE e EH EE Data Card cet cach saci E A File Wale ee ee Vin Lo in Lt it Lt AAN AA A Lt A Lt A Lo A Lt A AA A Lo A Lt DD WWNONNNNNNNND Re RRR RP Ha HD 00 10 Ur P UY Nun E EE el E Oe ee Oo Vil 5020A Users Manual e er Oe Oy Sr Sr TA Sensor E DEE System Ee Alarm AAT EE KE EE KEE TEE Data Time a innen pie Comm EE e PASS WOE RE System Unto EE Serial Cable EE S L n L bn L L AA L hn L CA AN Rp HWW WW WW WW viii Chapter 1 Introduction and Specifications Intro UC pitt te bees tete re Symbols Heeler egenen Eed e EEN Safety Information Technical Support Ss SNE Environmental Conditions AG Adapter aan iii darias General to all 1 1 5020A Users Manual 1 2 Introduction and Specifications 1 Introduction Introduction This manual contains i
85. f sight wireless communications The serial interface and infrared window allow the user to access the functions parameters and settings discussed in Comm Setting Serial Wiring The serial communications cable attaches to the thermo hygrometer readout through the RS 232 port on the left side of the instrument Figure 6 1 shows the pin out of this connector and suggested cable wiring Note the TxD line on one side connects to the RxD line on the other side and vice versa To eliminate noise the serial cable should be shielded with low resistance between the connector and the shield The serial period baud rate linefeed and echo duplex are programmable Refer to Section Comm Setting for instructions on accessing and setting these parameters All commands sent to the thermo hygrometer readout through the serial interface must be terminated with a carriage return ASCII 0D hex 13 decimal or new line character ASCII 0A hex 10 decimal GND GND RxD TxD TxD 77 RxD avu056 eps Figure 6 1 Serial Cable Wiring 6 3 5020A Users Manual Interface Commands Command Summary An alphabetical listing of the commands implemented by the thermo hygrometer readout are shown in Table 6 1 These commands can be used with either serial or IR communications ports Command Syntax The thermo hygrometer readout accepts commands that set parameters execute functions or respond with requested data T
86. ge capacity 5 15 5 17 submenu 5 3 submenus 5 3 symbols 1 4 system information 5 34 T technical support 1 6 temperature resolutions 5 8 unit 5 28 temperature unit 5 27 time format 5 29 troubleshooting 8 3 U unit of temperature 4 5 5 27 version firmware 5 34 Index continued w A warnings 1 4 zone types 5 9 5020A Users Manual
87. he daily statistics reset time Example DAT DST RHO Response 12 Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively DATa DSTatistics RHOur lt num gt MIN MAX DEF Sets the daily statistics reset time Example DAT DST RHO 0 The lt num gt parameter specifies the hour for the daily statistics reset time Specifying MIN MAX or DEF parameter sets the daily statistics reset time to the minimum maximum or default value respectively This command may be password protected see Password Commands DATa DSTatistics RECord BTIMe lt num gt Returns the reset time for a daily statistics set Example DAT DST REC BTIM Response 0 0 0 The lt num gt parameter specifies the daily statistics record number If none is specified then record 1 is assumed The response is returned in the format lt hour gt lt minute gt lt second gt DATa DSTatistics RECord CLEar Clears all daily statistics records Example DAT DST REC CLE This command may be password protected see Password Commands DATa DSTatistics RECord COUNt lt MAX gt Returns the daily statistics record count Example DAT DST REC COUN Response 64 Specifying the MAX parameter returns the maximum number of daily statistics records than can be held in memory DATa DSTatistics RECord DATE lt num gt Returns the daily statistics recording date Example DAT DST REC DATE Response 2003 9 12 The
88. he display will remain inoperable during a power outage to preserve battery life Measurements will continue to be recorded as long as the battery has a charge On power up the thermo hygrometer performs a series of self tests to check the operation of all its components and each of the sensors The results of the self tests are reported on the screen Normally all tests report OK Below is a table of error messages and recommended actions to correct the error Often these errors can be corrected by completing the actions listed A failure of one or more component causes error messages to be reported Contact an Authorized Service Center for assistance Self Test Error Messages Table 8 1 Self Test Error Messages SYSTEMS SERIAL PORT FAILURE Cycle the power Contact an Authorized Service Center SYSTEMS IR PORT FAILURE Cycle the power Contact an Authorized Service Center SYSTEMS DATA CARD FAILURE Cycle the power Contact an Authorized Service Center BATTERY FAILURE Cycle the power Contact an Authorized Service Center BATTERY NOT INSTALLED Check that a battery is properly installed Replace the battery CLOCK INVALID TIME Set the time date MEMORY DATA EMPTY Contact an Authorized Service Center MEMORY DATA QUESTIONABLE Cycle the power Contact an Authorized Service Center SENSOR lt n gt NOT ATTACHED Check that the sensors are properly inserted into their sockets or attached with an undamaged extension cable
89. he system time is always returned using 24 hour format regardless of the clock time format setting SYSTem TIME lt hour gt lt minute gt lt second gt Sets the clock time to the specified hour minute and second 6 40 Digital Communications Interface 6 Commands Example SYST TIME 11 43 28 The lt hour gt lt minute gt and lt second gt parameters must all be specified The lt hour gt parameter is a one or two digit number 0 to 23 The lt minute gt parameter is a one or two digit number 0 to 59 The lt second gt parameter is a one or two digit number 0 to 59 This command may be password protected see Password Commands Note The system time is always set using 24 hour format regardless of the clock time setting SYSTem TIME DAYLight MIN MAX DEF Returns the automatic daylight saving adjustment setting Example SYST TIME DAYL Response 1 A value of 0 is returned if the daylight saving adjustment is disabled A value of 1 is returned if the daylight saving adjustment is set to North America N AMER A value of 2 is returned if the daylight saving adjustment is set to Europe EUROPE Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively SYSTem TIME DA YLight lt num gt MIN MAX DEF Sets the automatic daylight saving adjustment setting Example SYST TIME DAYL 1 The lt num gt parameter sets the automatic daylight saving adjustment setting to off 0
90. he temperature display resolution T RES humidity display resolution H RES decimal preference unit of temperature and display contrast These settings may be password protected The temperature and humidity display resolutions are selectable between 0 0 1 0 01 and 0 001 These settings do not afect the resolution of recorded or printed data Recorded and printed data are fixed at 0 01 C or F and 0 1 RH The decimal preference is selectable between a period and a comma The available units of measure are degrees C and degrees F The contrast can be adjusted here using the gt buttons Setting the adjustment number more negative lightens the screen and setting it more positive darkens the screen The contrast may also be adjusted from the main screen by using the buttons 23 730 DISPLAY SETTING EEn 5 1 Bes 40 4 08 48 37 09 04 03 3 H e aam ee a AA En PEP ET IA CE ee avu011 jpg Figure 5 10 Display Setting The P buttons are used to select the parameter setting The buttons are used to scroll between each parameter Press the button to change and save the new settings Press the button to cancel any changes and exit to the menu 5 8 Menu Functions 5 Display Menu Display Layout The DISPLAY LAYOUT function allows you configure any of the 16 different display layouts These settings may be password protected A display layout can be enabled or di
91. hemo hygrometer must be returned to an Authorized Service Center to have the password restored SYSTem PASSword RECord Returns the state of data recording settings password protection Example SYST PASS REC Response 0 A value of 1 is returned if data recording password settings are password protected otherwise a value of 0 is returned SYSTem PASSword RECord lt bool gt Sets the state of data recording settings password protection Example SYST PASS REC 1 The lt bool gt parameter turns the data recording password protecton on 1 or ON or off 0 or OFF This command is password protected Commands protected with this setting are DATA REC CLE DATA REC FEED RHUM DATA REC FEED TEMP and DATA REC TIM SYSTem PASSword SENSor Returns the state of the sensor settings password protection Example SYST PASS SENS Response 0 A value of 1 is returned if the sensor settings password protection is enabled Otherwise a value of 0 is returned SYSTem PASSword SENSor lt bool gt Sets the state of the sensor settings password protection Example SYST PASS SENS 1 The lt bool gt parameter turns the sensor settings password protection on 1 or ON or off 0 or OFF This command is password protected Commands protected with this setting are CALC PAR DATE TIME CALC PAR RES ROUT CLOS ROUT OPEN SENS AVER SENS IDEN SENS LOCK and TRIG TIME SYSTem PASSword STATistics Returns the state of the statistics settings p
92. hese commands are in the form of strings of ASCII encoded characters As far as possible the thermo hygrometer readout conforms to SCPI 1994 One notable exception is that compound commands are not allowed as explained below Commands consist of a command header and if necessary parameter data All commands must be terminated with either a carriage return ASCII 0D hex 13 decimal or new line character ASCII 0A hex 10 decimal Command headers consist of one or more mnemonics separated by colons Mnemonics may use letter characters the underscore character _ and possibly numeric digits as well Commands are not case sensitive Mnemonics often have alternate forms Most mnemonics have a long form that is more readable and a short form consisting of three or four characters that is more efficient A mnemonic may end with a numeric suffix that specifies one of a set of independent function blocks such as input channel data paths If a numeric suffix is omitted when a particular block must be specified an error is generated Header suffix out of range Query commands are commands that request data in response Query commands have a question mark immediately following the command header Responses to query commands are generated immediately and placed in the output buffer Responses are then transmitted automatically over the RS 232 or IR ports Responses are lost if not read before the next command is received Some comman
93. humidity recording for the specified channel Returns the state of the temperature recording for the specified channel Enables or disables the temperature recording for the Digital Communications Interface 6 Interface Commands DATa RECord FREE DATa RECord OPEN DATa RECord OPEN lt year gt lt month gt lt day gt lt hour gt lt minute gt lt second gt lt year gt lt month gt lt day gt lt hour gt lt minute gt lt second gt DATa RECord READ lt num gt DATa RECord TIMe DATa RECord TIMe lt num gt MIN MAX DEF FETCh lt chn gt FORMat TDSTamp STAT FORMat TDSTamp STAT lt bool gt INITiate INITiate CONTinous MEASure lt chn gt READ lt chn gt ROUTe CLOSe lt chn gt ROUTe CLOSe lt chn gt ROUTe OPEN lt chn gt ROUTe OPEN lt chn gt SENSor AVERage SENSor AVERage lt bool gt SENSor lt chn gt LOCK SENSor lt chn gt LOCK lt bool gt SENSOor lt chn gt IDENification SENSor lt chn gt IDENification lt str gt SENSor lt chn gt STATus STATus ALARm STATus ALARm CONDition STATus ALARm ENABle Returns the recording memory usage Returns the number of bytes in the open data set Opens the range of data for reading Returns a group of data Returns the data recording timer Sets the data recording timer Returns the temperature and humidity measurements for the specified channel Returns the state of the date time stamp for FETCh MEASure or READ com
94. ied channel in RH Example ALAR RHUM1 UPP LIM Response 70 00 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively ALARm RHUMidity lt chn gt UPPer LIMit lt float gt MIN MAX DEF Sets the upper humidity alarm limit for the specified channel in RH Example ALAR RHUM1 UPP LIM 65 00 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 The lt float gt parameter specifies the value for the upper humidity alarm limit Specifying the MIN MAX or DEF parameter sets the upper humidity alarm limit to the minimum maximum or default value respectively This command may be password protected see Password Commands ALARm TEMPurature lt chn gt LOWer Indicates whether a lower temperature alarm event has occurred for the specified channel Example ALAR TEMP1 LOW Response 1 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if a lower temperature alarm event has occurred on the specified channel A value of 0 is returned if a lower temperature alarm event has not occurred on the specified channel ALARm TEMPurature lt chn gt LOWer ENABle Returns the state of the lower temperature alarm enable for the specified channel Example ALAR TEMP1 LOW ENAB Response 0 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if the lowe
95. igure the communication settings to use 8 data bits 1 stop bit no parity and no flow control b Ifyou want to save the downloaded data to a file configure your terminal program to capture the incoming text and save it to a text file Refer to your terminal program s documentation for details on how to do this 3 Begin downloading the data a Use the menu function DATA RECORD DATA PRINT to begin sending recorded data uning text format See Data Print b The thermo hygrometer should immediately begin sending the data If no readings have been stored the thermo hygrometer will not respond to these commands 4 Ifthe terminal program was set to capture the incoming data to a file wait until no more data is being received then stop capturing The recorded data can also be transferred using the IR port with LogWare III software or written to a file with a data card Placement of IR Dongle for Transfer of Data The thermo hygrometer can be used with the LogWare III software to collect data via the IR interface Place your device near the IR port of the thermo hygrometer between 3 and 6 inches 8 and 16 cm and pointed directly at and perpendicular to the IR window 8 5 5020A Users Manual A Note When using IRCOMM and an IR dongle the data transfer can be susceptible to interference from fluorescent lighting CE Comments EMC Directive Fluke s equipment has been tested to meet the European Electromagnetic Compati
96. imal places 6 23 5020A Users Manual Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively CAL Culate lt chn gt PARameter lt num gt RESolution lt num gt MIN MAX DEF Sets the display resolution Example CALC PAR2 RES 2 The PARameter suffix lt num gt specifies either temperature resolution 1 or relative humidity resolution 2 The lt num gt parameter specifies the number of decimal places to use Specifying the MIN MAX or DEF parameter sets the display resolution to the minimum maximum or default value respectively This command may be password protected see Password Commands FETCh lt chn gt Returns a comma delimited list of the most recent measurements for the specified channel or for both channels Example 1 FETC 1 Response 25 576 29 30 or Response 1 1 25 629 C 29 32 2003 9 16 11 2 38 Example 2 FETC Response 25 582 29 32 26 341 37 96 or Response 1 1 25 629 C 29 29 2 0 C 0 2003 9 16 11 1 42 The lt chn gt parameter is optional and specifies the channel 1 or 2 If the lt chn gt parameter is omitted the most recent measurements on both channels are returned If a channel is disabled or no sensor is connected the measurement values returned for that channel are 0 This command does not affect the measurement action If the extended format setting is OFF see FORMat TDST STAT the measurement values are returned in a comma de
97. ings can the 5020A store in onboard memory The 5020A can store 400 000 date amp time stamped data points What happens when memory is full gt OPO The oldest block of data is discarded to allow the most recent measurements to be recorded e How do I tell how much memory has been used A The memory usage expressed as a percent filled is found in the DATA menu under DATA RECORD and DATA STORAGE Q How do I get data from the 5020A The 5020A allows you to download data using a RS232 or IR connection to a computer or printer You may also use a data card to transfer data to and from the 5020A and a computer gt Is the IR output on the 5020A compatible with my IR printer The IR port on the 5020A is compatible with any IrDA compatible device Can I change the data stored in memory P Oe No Data stored in memory cannot be changed It can be downloaded but the original data file cannot be changed Memory can be cleared of all readings Does the 5020A utilize password protection Yes Refer to section 7 5 4 in this manual What is the recommended calibration interval of the 5020A The 5020A does not require calibration The 2626 X probes used with the 5020A should be calibrated annually PPO 8 7 5020A Users Manual 8 8 A AC adapter 3 5 3 6 4 3 accessories 2 3 3 6 accuracy 4 5 4 6 8 3 sensor 4 5 accuracy specifications 1 7 air velocity 4 6 alarm battery 5 26 menu 5 24 power 5
98. is the most significant 0 Operation complete OPC Execution of the last command is completed 1 Request control RQC No function for this instrument 2 Query error QYE An attempt has been made to read data when none is available or pending 3 Device dependent error DDE A hardware error condition occurred 4 Execution error EXE An invalid parameter for a command has been received or the command could not be executed under existing conditions 5 Command error CME An unrecognized command or a command with improper syntax has been received 6 User request URQ No function for this instrument 7 Power on PON Always set after the power is switched on The ESB bit of the Status Byte Register Section is set 1 whenever any bit of the Event Status Register is set and its corresponding mask bit in the Event Status Enable Register Section is set The Event Status Register is cleared when queried with the ESR command or when the CLS command is received The response in the following example would be given after an invalid command is received by the 1560 and no other error occurred Example command ESR Example response 32 Returns the Service Request Enable Register See SRE lt num gt command below Example SRE Response 0 SRE lt num gt MIN MAX DEF This command sets the Service Request Enable Register This register determines which event bits of the Status Byte Register affect the MSS Ma
99. l RS 232 and IR interface standard e Power 12 VDC from external 110 240 VAC to DC converter e Uses a standard 9 V battery backup to allow continued measuring during power interruptions e Certificate of NIST traceable temperature and humidity calibration with three each temperature and humidity points 1 3 5020A Users Manual Symbols Used Table 1 1 lists the International Electrical Symbols Some or all of these symbols may be used on the instrument or in this manual Table 1 1 International Electrical Symbols pement RES A Hot Surface Burn Hazard AA Read the User s Manual Important Information O J0 O Canadian Standards Association OVERVOLTAGE Installation CATEGORY II Pollution Degree 2 per IEC1010 1 refers to the level of Impulse Withstand Voltage protection provided Equipment of OVERVOLTAGE CATEGORY Il is energy consuming equipment to be supplied from the fixed installation Examples include household office and laboratory appliances g C TIC Australian EMC Mark Safety Information Use this instrument only as specified in this manual Otherwise the protection provided by the instrument may be impaired The following definitions apply to the terms Warning and Caution e Warning identifies conditions and actions that may pose hazards to the user e Caution identifies conditions and actions that may damage the instrument being used A Warnings To avoid personal
100. lay and may be set to 1 4 10 or 24 hours 2 5 7 15 or 30 days The DIVS parameter is the number of divisions for the graph and may be set to 1 2 4 6 8 or 10 The BEGIN parameter sets the start date and the start time The format of the start date is according to the D FORM in the SYSTEM DATE TIME menu The format of the start time is 24 hour format Menu Functions 5 Data Menu Press the button to display the data for the selected starting date and time in graphical format Press the button to cancel any changes and exit to the menu Data Print The DATA PRINT function allows recorded data to be printed over the serial or IR port The PORT parameter is selectable between SERIAL and IRDA IRCOMM depending on the IRMODE setting The FORMAT parameter may be set to BINARY or TEXT for the serial port or IRCOMM port The BEGIN parameter sets the start date and the start time from which to start printing The format of the start date is according to D FORM in SYSTEM DATE TIME Section The format of the start time is 24 hour format 2381C 41 0 08 54 19 09 04 03 Fe ee vr ui nn en EE I ee ir A ee Se AAA al Figure 5 21 Data Print avu022 jpg The P buttons are used to change the parameters Press the button to save the new setting Press the button to cancel any changes and exit to the menu Data Storage The DATA STORAGE function allows viewing the status of the data memory The FI
101. limited format as follows lt Ch1Temp gt lt Ch1 Humid gt lt Ch2Temp gt lt Ch2Humid gt The temperature values are always in the current temperature units The humidity values are always in RH If the extended format setting is ON the measurements are returned in a comma delimited format as follows lt MeasStatus gt lt ChX gt lt ChXTemp gt lt TempUnits gt lt ChX Humid gt lt ChY gt lt ChY Tem p gt lt TempUnits gt lt ChY Humid gt lt year gt lt month gt lt day gt lt hour gt lt minute gt lt second gt The measure status lt MeasStatus gt is 0 if these measurement values have been read previously or 1 if these are new measurement values If no channel number was specified the measurements on both channels are returned X 1 Y 2 Otherwise only the measurements on the specified channel are returned If only new readings are desired the FORM TDST STAT command can be used to enable the extended format option and any readings in which the value of the first field is 0 can be ignored 6 24 Digital Communications Interface 6 Commands FORMat TDST STATe Returns the time and date stamp enable for the FETC MEAS and READ commands Example FORM TDST STAT Response 0 A value of 1 is returned if the time and date stamp is enabled A value of 0 is returned if the time and date stamp is disabled FORMat TDST STATe lt bool gt Sets the time and date stamp enable for the FETC MEAS an
102. ly remove the battery to insure that it does not become shorted While removed from the instrument store the battery in a location so that it will not come into contact with metal or fluids that might short circuit the battery and where it is safe from excessive temperatures Used batteries must be disposed of properly Check your local regulations for additional information Never dispose of batteries in fire which may result in explosion with the possibility of personal injury or property damage Cautions If the instrument is dropped struck or handled in a way that causes internal or external physical damage immediately unplug the AC adapter remove the battery discontinue use and contact an Authorized Service Center Do not attempt to disassemble or repair the instrument battery or AC adapter Refer repairs or replacement components to an Authorized Service Center The instrument and sensors are sensitive and can be easily damaged Always handle these devices with care DO NOT allow them to be dropped struck stressed or overheated 5020A Users Manual e Sensors are fragile devices which can be damaged by mechanical shock overheating and exposure to fluids Damage may not be visibly apparent but can cause drift instability and loss of accuracy Observe the following precautions e DO NOT allow sensors to be dropped struck or stressed e DO NOT overheat sensors beyond their recommended temperature range e
103. mand Enables or disables the date time stamp for FETCh MEASure or READ command no action Returns the continuous state always 1 Returns the temperature and humidity measurements for the specified channel Returns the temperature and humidity measurements for the specified channel Returns the state of the specified channel Enables the specified channel Returns the channel state Disables the specified channel Returns the state of the measurement averaging Enables or disables the measurement averaging Returns the state of the sensor lock for the specified channel Enables or disables the sensor lock for the specified channel Returns the sensor identification for the specified channel Sets the sensor identification for the specified channel Returns the sensor status for the specified channel Returns and clears the alarm status event Returns the alarm status condition Returns the alarm status enable 5020A Users Manual STATus ALARm ENABle lt num gt MIN MAX DEF STATus MEASure STATus MEASure CONDition STATus MEASure ENABle STATus MEASure ENABle lt num gt MIN MAX DEF STATus OPERation STATus OPERation CONDition STATus OPERation ENABle STATus OPERation ENABle lt num gt MIN MAX DEF STATus QUEStion STATus QUEStion CONDition STATus QUEStion ENABle STATus QUEStion ENABle lt num gt MIN MAX DEF SYSTem BOOT VERSion SYSTem COMMunicate IR MODE SYSTem COMMunicate IR MODE lt num gt SYSTem COMMunica
104. n degrees C or F per hour Example ALAR TEMP1 RATE LIM Response 5 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 The value returned is always in the current temperature units C or F Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively ALARm TEMPurature lt chn gt RATE LIMit lt float gt MIN MAX DEF Sets the temperature rate alarm limit for the specified channel in degrees C or F per hour Example ALAR TEMP1 RATE LIM 10 00 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 The lt float gt parameter specifies the value for the temperature rate alarm limit The lt float gt value is always in the current temperature units C or F Specifying MIN MAX or DEF parameter sets the temperature rate alarm limit to the minimum maximum or default value respectively This command may be password protected see Password Commands ALARm TEMPurature lt chn gt SENSor Indicates whether a temperature sensor alarm event has occurred for the specified channel Example ALAR TEMP1 SENS Response 0 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if a temperature sensor alarm event has occurred on the specified channel A value of 0 is returned if a temperature sensor alarm event has not occurred on the specified channel ALARm TEMPurature lt chn gt SENSor ENABle Returns the state of the tempe
105. nel 2 sensor calibration has expired 5th number clock status 0 operating properly bit 0 is 1 time date is invalid bit 1 is 1 clock is not operating 6th number serial port status 0 operating properly bit 0 is 1 failure 7th number IR port status 0 operating properly bit 0 is 1 failure 8th number data card socket status 0 operating properly bit 0 is 1 no data card is inserted bit 1 is 1 an invalid or improperly formatted data card is inserted bit 4 is 1 controller read error bit 5 is 1 controller write error bit 6 is 1 invalid controller 9th number battery monitor test 0 no error bit 15 is 1 error 6 47 5020A Users Manual 6 48 10th number button status power on test only 0 no button press detected bit 0 is 1 er pressed during power on bit 1 is 1 pressed during power on bit 2 is 1 pressed during power on bit 3 is 1 pressed during power on bit 4 is 1 pressed during power on bit 5 is 1 pressed during power on STATus ALARm This command reads and clears the Alarm Status Event Register The value returned indicates the condition of each of the eight bits of the register by adding the binary weighted values of each bit The meaning of each bit when set 1 is as follows where 0 is the least significant and 7 is the most significant 0 no alarm Bit 1 Channel 1 temperature alarm bit Bit 2 Channel 1 humidity alarm bit Bit 3 Channel 2 temperature alarm bit Bit 4 Cha
106. nformation necessary safely operate the Fluke 5020A Thermo Hygrometer The Fluke 5020A is a low cost high accuracy digital thermo hygrometer Its unique combination of features makes it suitable for a wide variety of applications from laboratory to industrial ambient measurement Features of the thermo hygrometer include e Two channels measure ambient temperature to 0 125 C and RH to 1 5 e Two sensors each measuring temperature and relative humidity each is detachable cable extendable and interchangeable with self contained calibration each may be assigned a unique 16 character identification e Display resolution is user selectable up to 0 001 C and 0 01 RH e On board memory holds up to 400 000 time date stamped readings e Removable data card option for additional data storage and ease of data transfer to and from a PC e Visual and audio alarms for various alarm or fault conditions e May be wall mounted or set on a bench top e Detachable sensors contain their own calibration data for easy recalibrations e Optional software logs in real time or shows graphical statistical data from data card Data card is optional and not needed to run the software for real time logging e Password protection of settings e Large monochrome LCD displays temperature and humidity data graphically numerically and statistically 16 pre defined user changeable screen setups display viewable in bright or dim lighting e Seria
107. nnel 2 humidity alarm bit Bit 5 Low battery alarm bit Bit 6 Power failure alarm bit Bit 7 Not used Bit 8 Not used Example STAT ALAR Response 32 STATus ALARm CONDition This command reads the Alarm Status Condition Register Reading this register does not affect it The value returned indicates the condition of each of the eight bits of the register by adding the binary weighted values of each bit The meaning of each bit when set 1 is as follows where 0 is the least significant and 7 is the most significant 0 no alarm Bit 0 Channel 1 temperature alarm bit Bit 1 Channel 1 humidity alarm bit Bit 2 Channel 2 temperature alarm bit Bit 3 Channel 2 humidity alarm bit Bit 4 Low battery alarm bit Bit 5 Power failure alarm bit Bit 6 Not used Bit 7 Not used Example STAT ALAR Response 32 Digital Communications Interface 6 Commands STATus ALARm ENABle This command returns the Alarm Status Enable Register see STATus ALARm ENABle lt num gt command below Example STAT ALAR ENAB Response 32 STATus ALARm ENABle lt num gt MIN MAX DEF This command sets the Alarm Status Enable Register This register determines which event bits of the Alarm Status Event Register affect the Alarm Status Bit of the Status Byte Register If any bit in the Alarm Status Event Register is set 1 while its corresponding mask bit in the Alarm Status Enable Register is set the Alarm Status Bit in the Status Byte
108. o each group of commands e Upper case letters designate syntax that is required when issuing the command Lower case letters are optional and may be omitted e lt gt indicates a required parameter e indicates an optional parameter e indicates a group of parameters that must be used together e indicates alternate parameter values e lt str gt indicates a string of ASCII characters is required e lt chn gt indicates a channel number is required e lt num gt indicates an integer value is required e lt bool gt indicates a boolean value 0 or 1 is required The mnemonics OFF and ON are also accepted for 0 and 1 respectively e lt unit gt indicates a temperature unit C or F is required e lt float gt indicates a floating point value is required e lt pass gt indicates a four digit numeric password is required e lt port gt indicates a port number is required e lt year gt indicates a four digit number for the year is required e lt month gt indicates a one or two digit number for the month is required e lt day gt indicates a one or two digit number for the day is required Digital Communications Interface 6 Commands e lt hour gt indicates a one or two digit number for the hour 0 to 23 is required e lt minute gt indicates a one or two digit number for the minute is required e lt second gt indicates a one or two digit number for the second is required e lt baud gt indicates a
109. or humidity Sets the sensor calibration offsets for the specified channel temperature or humidity Returns the sensor calibration scale for the specified channel temperature or humidity Sets the sensor calibration scale for the specified channel temperature or humidity Resets all running statistics Returns the dew point measurement for the specified channel Returns the heat index measurement for the specified channel Returns a running statistic for the specified channel 6 5020A Users Manual m gt CALCulate lt chn gt PARameter lt num gt AVERerage lt num gt CLEar CALCulate lt chn gt PARameter lt num gt AVERerage lt num gt DATA CALCulate lt chn gt PARameter lt num gt AVERerage lt num gt TYPE CALCulate lt chn gt PARameter lt num gt RATE CAL Culate lt chn gt PARameter lt num gt RATE TIME CAL Culate lt chn gt PARameter lt num gt RATE TIME lt num gt MIN MAX DEF CAL Culate lt chn gt PARameter lt num gt RESolution CAL Culate lt chn gt PARameter lt num gt RESolution lt num gt MIN MAX DEF DATa DSTat ENABle DATa DSTat ENABle lt bool gt DATa DSTat HOUR DATa DSTat HOUR lt num gt MIN MAX DEF DATa DSTat RENable DATa DSTat RENable lt bool gt DATa DSTat RHOur DATa DSTat RHOur lt num gt MIN MAX DEF DATa DSTat RECord BTIMe lt num gt DATa DSTat RECord CLEar DATa DSTat RECord COUNt MAX DATa DSTat RECord DATE lt num gt DATa DSTat RECord ETI
110. pecified channel is disabled DATa RECord FEED TEMPerature lt num gt lt bool gt Sets the state of the temperature recording enable for the specified channel Example DAT REC FEED TEMPI 0 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 The lt bool gt parameter turns temperature recording for the specified channel on 1 or ON or off 0 or OFF This command may be password protected see Password Commands DATa RECord FREE Returns the recording memory usage Example DAT REC FREE Response 3282 449070 The response indicates the number of bytes remaining and the number of bytes used separated by a comma DATa RECord OPEN Returns the number of bytes of memory in the open set of data Example DAT REC OPEN Response 1203 This command must be preceeded by the DATa REC OPEN command which is used to open a set of data using a date time range The response to this command indicates the number of unread bytes in the date time range specified by the last DATa RECord OPEN command If the response is 0 there are no readings stored in memory over the specified date time range Use the DATa RECord READ command to read the data from memory DATa RECord OPEN lt year gt lt month gt lt day gt lt hour gt lt minute gt lt second gt lt year gt lt month gt lt day gt lt hour gt lt minute gt lt second gt Opens a set of data in memory over the specified date time range for reading
111. pectively This command may be password protected see Password Commands ALARm TIME FIRSt Returns the time of the first alarm event Example ALAR TIME FIRS Response 15 43 13 The response is returned in the format lt hour gt lt minute gt lt second gt 6 21 5020A Users Manual ALARm TIME LAST Returns the time of the last alarm event Example ALAR TIME LAST Response 15 43 19 The response is returned in the format lt hour gt lt minute gt lt second gt Measurement Commands The measurement commands are used to read information on the statistical calculations and for reading the most recent measurement for a specified channel CALCulate AVERage CLEar Resets all running statistics for both channels Example CALC1 AVER CLE This command may be password protected see Password Commands CAL Culate lt chn gt DEWPoint Returns the dewpoint measurement on the specified channel in degrees C or F Example CALC1 DEWP Response 3 5 The CAL Culate suffix lt chn gt specifies the channel 1 or 2 The value returned is always in the current temperature units C or F CAL Culate lt chn gt HINDex Returns the heat index calculation for the specified channel in degrees C or F Example CALC1 HIND Response 28 4 The CAL Culate suffix lt chn gt specifies the channel 1 or 2 The value returned is always in the current temperature units C or F CAL Culate lt chn gt PARameter lt num gt AVER
112. r and sensor ID are displayed Select the sensor channel of the parameters to edit and then select the button The sensor parameters are displayed for editing A caution The sensor calibration parameters are critical to the accuracy of the sensor Do not change them The P buttons are used to select a channel Press the button to save the setting and exit Press the button to cancel any changes and exit to the menu Menu Functions 5 Display Menu Lo E2391C 28 2 TI a avu009 jpg Figure 5 7 Sensor Channel Select The P buttons are used to edit the parameter value The buttons are used to move between parameters Press the button after all ofthe parameters have been edited The message STORE VALUES is displayed Press the button to save the new settings The values are stored in the sensor Press the e button to cancel any changes and exit to the menu T 23 95C 1 284 LO E I d Ti H H D D A 5 Press ENTER avu008 jpg Figure 5 8 Sensor Cal Display Menu The DISPLAY menu provides functions for configuring the display The functions that appear in this menu are DISPLAY SETTING DISPLAY LAYOUT FIELD DATA GRAPH SCALE and DISPLAY RESET 5020A Users Manual 23 de Ce item FH o TER 40 4 enter me 08 48 19 ist 09 04 03 A ne era a e avu010 jpg Figure 5 9 Display Menu Display Setting The DISPLAY SETTING function allows you to select t
113. r 2 The lt bool gt parameter turns the humidity sensor alarm on 1 or ON or off 0 or OFF This command may be password protected see Password Commands ALARm RHUMidity lt chn gt UPPer Indicates whether an upper humidity alarm event has occurred for the specified channel Example ALAR RHUM1 UPP Response 0 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if an upper humidity alarm event has occurred on the specified channel A value of 0 is returned if an upper humidity alarm event has not occurred on the specified channel ALARm RHUMidity lt chn gt UPPer ENABle Returns the state of the upper humidity alarm enable for the specified channel Example ALAR RHUM1 UPP ENAB Response 0 5020A Users Manual The RHUMidity suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if the upper humidity alarm is enabled A value of 0 is returned if the upper humidity alarm is disabled ALARm RHUMidity lt chn gt UPPer ENABle lt bool gt Sets the state of the upper humidity alarm enable for the specified channel Example ALAR RHUM1 UPP ENAB 1 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 The lt bool gt parameter turns the upper humidity alarm on 1 or ON or off 0 or OFF This command may be password protected see Password Commands ALARm RHUMidity lt chn gt UPPer LIMit MIN MAX DEF Returns the upper humidity alarm limit for the specif
114. r OFFSets lt chn gt lt float gt CALibrate lt chn gt PARameter SCALe lt chn gt CALibrate lt chn gt PARameter SCALe lt chn gt lt float gt CALCulate AVERage CLEar CALCulate lt chn gt DEWPoint CALCulate lt chn gt HINDex CALCulate lt chn gt PARameter lt num gt AVERerage lt nu Digital Communications Interface Interface Commands Returns the state of the high temperature alarm enable for the specified channel Enables or disables the high temperature alarm for the specified channel Returns the high temperture alarm limit for the specified channel Sets the high temperture alarm limit for the specified channel Returns the time of first alarm event Returns the time of latest alarm event Returns the state of the calibration alert enable for the specified channel Enables or disables the sensor alert enable for the specified channel Returns the sensor calibration date for the specified channel Sets the sensor calibration date for the specified channel Returns the sensor calibration due date for the specified channel Sets the sensor calibration due date for the specified channel Returns the sensor calibration expiration for the specified channel Returns the sensor calibration linearity for the specified channel temperature or humidity Sets the sensor calibration linearity the specified channel temperature or humidity Returns the sensor calibration offsets for the specified channel temperature
115. r includes a serial RS 232 port and IR port To edit the settings for a specific port it must first be selected The selections are SERIAL IR and ERRORS The ERRORS setting allows the user to view any error messages stored in the error queue Once an error has been viewed it is removed from the error queue Menu Functions 5 System Menu avu042 jpg Figure 5 41 Comm Setting The P buttons are used to change the parameter setting Press the button to save the new setting Press the e button to cancel any changes and exit to the menu Serial When the SERIAL port is selected the parameters for the serial port are displayed beneath the PORT selection These parameters are BAUD LF ECHO SER PER and PRINT avu043 jpg Figure 5 42 Serial The BAUD parameter allows the user to select the baud rate for communications on this port The user may choose between 1200 2400 4800 9600 19200 38400 and 57600 The default baud rate is 9600 The LF parameter allows the user to specify whether a linefeed character ASCII 0A hex or 10 decimal is appended to the end of each line transmitted over the serial port Selecting ON sends both a carriage return ASCII 0A hex or 13 decimal and a linefeed Selecting OFF sends only a carriage return The ECHO parameter allows the user to set the echo duplex mode Selecting ON enables echoing so that all characters received on the serial port are echoed back over the 5 31 5020A
116. r temperature alarm is enabled A value of 0 is returned if the lower temperature alarm is disabled ALARm TEMPurature lt chn gt LOWer ENABle lt bool gt Sets the state of the lower temperature alarm enable for the specified channel 6 18 Digital Communications Interface 6 Commands Example ALAR TEMP1 LOW ENAB 1 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 The lt bool gt parameter turns the lower temperature alarm on 1 or ON or off 0 or OFF This command may be password protected see Password Commands ALARm TEMPurature lt chn gt LOWer LIMit MIN MAX DEF Returns the lower temperature alarm limit for the specified channel in degrees C or F Example ALAR TEMP1 LOW LIM Response 18 00 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 The value returned is always in the current temperature units C or F Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively ALARm TEMPurature lt chn gt LOWer LIMit lt float gt MIN MAX DEF Sets the lower temperature alarm limit for the specified channel in degrees C or F Example ALAR TEMP1 LOW LIM 20 00 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 The lt float gt parameter specifies the value for the lower temperature alarm limit Specifying the MIN MAX or DEF parameter sets the lower temperature alarm limit to the minimum maximum or default value respectively The
117. ra Temperature and Humidity Measurement Errors Temperature and Humidity Adjustments nenn 8 Maintenance and TroubleShooting cccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees ENEE Trouble ici Incorrect temperature or humidity reading oooooonoccconoconnnonncconnconaconnnannnnnnnnnos Missing or Scattered Graph Data A A Oe gene nannte cua enter erkenne nee Error EREM Self Test Error Messages oooooocnoocnooononononncnn ccoo nono nono nono nn corn rnnn rar nn Start up Error Messages 0 cccecsccceeeceeseeceeseeceeeeeceaeeeeaaecseaeeceeeessaeeeeaeeneneeee Downloading Recorded Data Placement of IR Dongle for Transfer of Data CE Comments ci ii edere EMC Dieta Ve ives ae seele release Immunity Testing eccccccecssecssecsceesecseeceseceseecsaecaecnseceaeenseeseesseseeeneeses Emission Tetris ES Low Voltage Directive Safety oooconincninnninocononconnconnconnocnnoconoconoconnnnnronannnnos Frequently Asked Questions oooooccononnoconononoononnnonncnnncon ccoo nononoron ccoo nncn nono nncinnnns ili 5020A Users Manual List of Tables Table Title 9 1 Field Tunesien EE ec 5 2 Aproximate Data Storage Capacity ccccecscssecssecesecesscsesceeeeseeeseceeeseeeseeseeeneeenses 6 1 Interface Commands nun anni nenne 7 1 5026A S Temperature Calibration Ponts 7 2 5026A S Relative Humidity Calibration Points 7 3 5026A H Temperature Calibration Ponts 7 4 5026A H Relative Humidity Calibration Ponts 8 1 Self T
118. rature sensor alarm enable for the specified channel Example ALAR TEMP1 SENS ENAB Response 0 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 A value of is returned if the temperature sensor alarm is enabled A value of 0 is returned if the temperature sensor alarm is disabled ALARm TEMPurature lt chn gt SENSor ENABle lt bool gt Sets the state of the temperature sensor alarm enable for the specified channel Example ALAR TEMP1 SENS ENAB 1 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 The lt bool gt parameter turns the temperature sensor alarm on 1 or ON or off 0 or OFF This command may be password protected see Password Commands ALARm TEMPurature lt chn gt UPPer Indicates whether an upper temperature alarm event has occurred 6 20 Digital Communications Interface 6 Commands Example ALAR TEMP1 UPP Response 0 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if an upper temperature alarm event has occurred on the specified channel A value of 0 is returned if an upper temperature alarm event has not occurred on the specified channel ALARm TEMPurature lt chn gt UPPer ENABle Returns the state of the upper temperature alarm enable for the specified channel Example ALAR TEMP1 UPP ENAB Response 0 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 A value of is returned if the upper temperat
119. rd protection on 1 or ON or off 0 or OFF This command is password protected Commands protected with this setting are any of the ALAR commands SYSTem PASSword CDISable Disables access to password protected settings Example SYST PASS CDIS Sending this command prevents the user from changing any password protected settings SYSTem PASSword CENable lt pass gt Enables access to password protected settings Example SYST PASS CEN 1234 The lt pass gt parameter must match the current system password This command must be sent to allow the user to change and password protected settings After sending this command use the SYST PASS CEN STAT command to verify access SYSTem PASSword CENable STATe Returns the current password protection state Example SYST PASS CEN STAT Response 0 The response is either 0 disabled or 1 enabled A response of 0 indicates password protected settings cannot be changed A response of 1 indicates the password was successfully entered and password protected settings can be changed SYSTem PASSword NEW lt pass gt DEF 6 42 Sets the current system password to a new password Example SYST PASS NEW 1212 The lt pass gt parameter must be a 4 digit number 0000 to 9999 Specifying the DEF parameter resets the password to the default password 5020A This command is password protected Commande Digital Communications Interface 6 A Caution If the password is forgotten the t
120. re 5 33 Alarm R T k R H Menu Functions Alarm Menu Ka CH mz im nunun m avu034 jpg The buttons are used to select the menu option The 4 buttons are used to change the parameter setting Press the button to save the new setting Press the r button to cancel any changes made and exit to the menu Alarm Setting The ALARM SETTING function is used to enable or disable visible and audible alarm notifications The parameters are BEEP and DISPLAY When the BEEP parameter is ON the thermo hygrometer emits an audible beep during an alarm condition For the power alarm it is four short beeps every 20 seconds For the battery alarm it is three short beeps every minute For the sensor disconnect alarm it is two short beeps every measurement period For measurement alarms it is one long beep every measurement period When the DISPLAY parameter is ON an alert message is displayed when an alarm condition occurs 22 05 04 09 04 2003 Figure 5 34 Alarm Setting avu035 jpg The buttons are used to select the menu option The 4 buttons are used to change the parameter setting Press the button to save the new setting Press the button to cancel any changes and exit to the menu 5 5 25 5020A Users Manual Sensor Alarm The SENSOR ALARM function allows the setting of the alarm parameters for each channel To set alarm parameters a channel
121. re 5 38 System Menu DO Ao 04 Tio aS mm avu039 jpg The buttons are used to select the menu option The 4 buttons are used to change the parameter settings Press the button to save the new setting Press the r button to cancel any changes and exit to the menu System Setting The SYSTEM SETTING function allows you to change the temperature measurement unit The UNIT parameter switches between C Celsius or F Fahrenheit This may be password protected with the SENSOR password parameter When the measurement unit is changed and the button is selected the next measurement is displayed in the new measurement unit FET 29 2 avu040 jpg Figure 5 39 System Setting The P buttons are used to change the setting parameters Press the button to save the new setting Press the button to cancel any changes and exit to the menu 5 28 Menu Functions 5 System Menu Date Time The DATE TIME function is used for setting the time of day clock time format date and date format This may be password protected using the TIME password parameter in the PASSWORD menu functions When this function is selected available parameters are HOUR MINUTE SECOND T FORM DAY MONTH YEAR D FORM and DAYL S T 2 1 90 C pe ARE TIME 292 22 06 42 09 04 2003 Figure 5 40 Data Time avu041 jpg The HOUR parameter allows the user to set the time of day clock hour 0 through 23 The MI
122. register by adding the binary weighted values of each bit The meaning of each bit when set 1 is as follows where 0 is the least significant and 7 is the most significant 0 no measurement Bit 0 Not used Bit 1 Not used Bit 2 Not used Bit 3 Not used Bit 4 Measurement Complete bit Bit 5 Not used Bit 6 Not used Bit 7 Not used Example STAT OPER Response 16 STATus OPERation CONDition 6 50 This command reads the Operation Status Condition Register Reading this register does not affect it The value returned indicates the condition of each of the eight bits of the Digital Communications Interface 6 Commands register by adding the binary weighted values of each bit The meaning of each bit when set 1 is as follows where 0 is the least significant and 7 is the most significant 0 no operation Bit 0 Not used Bit 1 Not used Bit 2 Not used Bit 3 Not used Bit 4 Measurement complete bit Bit 5 Not used Bit 6 Not used Bit 7 Not used Example STAT OPER COND Response 16 STATus OPERation ENABle This command returns the Operation Status Enable Register see STATus OPERation ENABle lt num gt command below Example STAT OPER ENAB Response 16 STATus OPERation ENABle lt num gt MIN MAX DEF This command sets the Operation Status Enable Register This register determines which event bits of the Operation Status Event Register affect the Operation Status Bit of the Status Byte
123. rument The sensor contains a memory device that stores information about the sensor and automatically transfers this data to the thermo hygrometer when the sensor is attached This ensures that the settings used to measure and calculate temperature and humidity always match the sensor being used A Caution Sensors are fragile devices that can be easily damaged by mechanical shock overheating and exposure to fluids or dust Damage may not be visibly apparent but nevertheless can cause drift instability and loss of accuracy Observe the following precautions e DO NOT allow sensors to be dropped struck or stressed e DO NOT overheat sensors beyond their recommended temperature range e DO NOT expose sensors to harmful vapors fumes dust or condensation e DO NOT allow sensors to come into direct contact with any fluids Sensor Accuracy To achieve full accuracy with the thermo hygrometer sensors a few precautions should be noted First consider that the sensor actually measures its own temperature not necessarily the temperature of the air around it Ideally the sensor s temperature will be the same as the air but they might be different under less than ideal conditions One such condition is when there is a source of radiated heat that is seen by the sensor Radiated heat tends to heat up the sensor higher than the air around it try shining a flashlight on the sensor from some distance away Some sources of radiat
124. s a one or two digit number 1 to 31 This command is password protected see Password Commands CALibrate lt chn gt EXPired Returns the sensor calibration expiration state for the specified channel Example CAL1 EXP Response 0 The CALibrate suffix lt chn gt specifies the channel 1 or 2 A value of is returned if the sensor calibration has expired A value of 0 is returned if the sensor calibration has not expired CALibrate lt chn gt PARameter OFFSet lt num gt Returns the sensor calibration offset parameter for the specified channel Example CAL1 PAR OFFS2 Response 0 210 The CALibrate suffix lt chn gt specifies the channel 1 or 2 The OFFSet suffix lt num gt specifies either temperature 1 or humidity 2 6 34 Commande Digital Communications Interface 6 CALibrate lt chn gt PARameter OFFSet lt num gt lt float gt Sets the sensor calibration offset parameter for the specified channel Example CAL1 PAR OFFS2 0 025 The CALibrate suffix lt chn gt specifies the channel 1 or 2 The OFFSet suffix lt num gt specifies either temperature 1 or humidity 2 The lt float gt parameter specifies the value for the offset parameter This command is password protected see Password Commands CALibrate lt chn gt PARameter SCALe lt num gt Returns the sensor calibration scale parameter for the specified channel Example CAL2 PAR SCAL1 Response 0 564 The CALibrate suffix lt chn
125. sabled by choosing ON or OFF ON allows the display to be selected from the main screen using the gt buttons The number of zones is selectable from 1 to 4 Each zone can display one of the following zone types blank screen time stats temperature and humidity numerically or temperature and humidity graphically Once the number of zones is selected you can select what is to be displayed in each zone The P buttons are used to select the parameter setting The buttons are used to move between each parameter Press the button to change and save the new settings Press the button to cancel any changes and exit to the menu The enabled layouts can be viewed by pressing the 4 P buttons when the main screen is displayed Figure 5 11 Display Layout avu012 jpg Field Data The FIELD DATA function allows you to select a type of statistic for any of the fields in a STAT type zone This may be password protected Select the display layout on which to adjust the statistics field type and then select the zone to adjust This function can only be used with display layouts that contain STATS zones There are eight fields per zone Any field can be set to the following field types DATE TIME ID SERN TEMP T RATE T AVE T STD T MIN T MAX T SPR T N T RMAX T ALAR T DELT RHUM H RATE H AVE H STD H MIN H MAX H SPR HN H RMAX H ALAR H DELT DEWP HEAT REC CH BATT MEAS or BLANK See Table 5 1 fora definition of
126. so be altered by nearby objects that insulate the sensor from the air Keep adequate air space around the sensor The self heating of the sensor takes a few minutes to stabilize after the power to the thermo hygrometer is switched on or the sensor is attached For best results allow 15 minutes for the sensor to settle after applying power The sensor takes some time to respond to large changes in temperature or humidity such as for instance when the sensor is brought from a cold or humid location to a warm or dry one Depending on the difference the sensor can take several minutes to more than an hour to reach full accuracy after conditions have changed Finally moisture condensing within the sensor can cause erroneous or invalid measurements Condensation can occur if the sensor is brought from a warm high humidity environment to a colder temperature This can be avoided by first moving the sensor into low humidity air at the same temperature for about 30 minutes before it is placed at the lower temperature If condensation does occur the sensor should recover once it dries out This may take several hours Introduction Chapter 5 Menu Functions Channel Men nn nn ASA nes ENEE AO Sensor ID Sensor LOCK di Sensor Cal Display Mena een beiten Display Setting TEE Display E EE Field Data Graph Scale seu Ee EENS SEENEN AE Display E EE Data Menu Data Record EE Record Setting Data Vii ai Data PIA pinta
127. sor calibration The functions that appear in the CHANNEL menu are CHANNEL SETTING SENSOR ID SENSOR LOCK and SENSOR CAL 5 3 5020A Users Manual 23 67 Ui item RH o 40 3 Se item EXIT 08 45 18 6 03 04 03 eeh Er eg A et avu004 jpg Figure 5 3 Channel Menu Channel Setting The CHANNEL SETTING function allows you to turn the channels on or off set the measurement period turn averaging on or off and set the time over which the rate of change is calculated for measurements These settings may be password protected to prevent them from being changed The channels are turned on or off by selecting the channel and then the ON or OFF setting using the P buttons MEA PER measurement period is the time interval at which the measurements are updated on the display You may select between 1 2 5 10 15 and 30 seconds 1 2 5 10 15 20 and 30 minutes or 1 hour for the measurement period AVERAGE may be turned to ON or OFF When average is on the temperature and humidity values displayed are averaged over the measurement period When average is off the displayed values are instantaneous measurements RATE T rate time determines the time interval over which the measurements are used to calculate the rate of change and is selectable between 30 seconds 1 2 5 10 15 20 30 45 minutes or 1 hour The temperature rate is displayed in the RATE T field of a STATS display zone The humidity rate is displa
128. st prior to the first measurement of the day For example to automatically store statistics for each day for measurements made in a laboratory only between 8 00 in the morning and 5 00 17 00 in the afternoon set the AUT REC to ON REC TIM to 17 00 AUT RES to ON and RES TIM to 08 00 Note that statistics can also be manually reset using the STATS RESET function DO NOT manually reset the statistics if automatic recording is desired The DAILY STATS settings and STATS RESET can be password protected to prevent inadvertent resetting of the statistics DAILY STATS cannot be manually stored 5 19 5020A Users Manual 2 23 81 C Rel E 40 7 08 55 20 US 04 SH Figure 5 25 Stats Setting avu026 jpg The P buttons are used to change the setting parameters Press the button to save the new setting Press the button to cancel any changes and to exit to the menu Stats View The STATS VIEW function is used to view daily statistics Select a date and measurement channel and type The average standard deviation minimum maximum spread number maximum rate and alarm are displayed for the channel and measurement type 08 55 58 070 LAR pia as avu027 jpg Figure 5 26 Stats View The P buttons are used to change the setting parameters Press the button to save the new setting Press the button to cancel any changes and exit to the menu Stats Print The STATS PRINT function allows daily statisti
129. ster Summary Status message bit of the Status Byte Register and generate a service request with the IEEE 488 interface If any event bit of the Status Byte Register is set 1 while its corresponding mask bit of the Service Request Enable Register is set the MSS Master Summary Status message bit of the Status Byte Register will be set and a service request generated The value of the lt numeric_value gt parameter is a number from 0 to 255 that is the sum of the binary weighted values of each mask bit The Status Byte Register is described in section 5 5 10 9 below The following example causes the MSS bit in the Status Byte Register to be set and a service request to be generated whenever the ESB bit of the Status Byte Register is set 6 45 5020A Users Manual Example command SRE 32 STB This query command returns the Status Byte Register Reading this register does not affect it or the output queue The value returned indicates the condition of each of the eight bits of the register by adding the binary weighted values of each bit The meaning of each bit when set 1 is as follows where 0 is the least significant and 7 is the most significant Bit 0 Bit 1 Bit 2 Bit 3 Bit 4 Bit 5 Bit 6 Bit 7 Measurement Status Bit Indicates that a bit in the Measurement Status Event Register is set and its corresponding mask bit in the Measurement Status Enable Register is set It is cleared when the Measurement Status Event R
130. tection Enables or disables the sensor settings password protection SYSTem FIRMware VERSion SYSTem KLOCkout SYSTem KLOCkout lt bool gt SYSTem PASSword ALARm SYSTem PASSword ALARm lt bool gt SYSTem PASSword CDISable SYSTem PASSword CENable lt num gt SYSTem PASSword CENable STATe SYSTem PASSword NEW lt num gt DEF SYSTem PASSword RECord SYSTem PASSword RECord lt bool gt SYSTem PASSword SENSor SYSTem PASSword SENSor lt bool gt SYSTem PASSword STATistics SYSTem PASSword STATistics lt bool gt SYSTem PASSword TIME SYSTem PASSword TIME lt bool gt SYSTem POWer BATTery SYSTem TIME SYSTem TIME lt hour gt lt minute gt lt second gt SYSTem TIME DAYLight SYSTem TIME DAYLight lt num gt MIN MAX DEF SYSTem TIME FORMat SYSTem TIME FORMat lt num gt MIN MAX DEF SYSTem VERSion TRIGger TIMe TRIGger TIMe lt num gt MIN MAX DEF UNIT TEMPerature UNIT TEMPerature lt unit gt Returns the state of the statistics settings password protection Enables or disables the state of the statistics settings password protection Returns the state of the date time password protection Enables or disables the date time password protection Returns the battery level percent Returns the clock time Sets the clock time Returns the automatic daylight saving adjustment setting Sets the automatic daylight saving adjustment setting Returns the display time format Sets the display time format
131. the display will be inoperable Connect the Sensor The sensor for channel 1 connects to the socket at the top right and the sensor for channel 2 if used connects to the socket on the right side Either sensor may be used with an optional extension cable up to 100 feet 30 meters in length 2 3 5020A Users Manual Connect the Power Source The thermo hygrometer draws power from the provided power adapter Plug the adapter into a wall outlet of the appropriate voltage and insert the DC plug into the DC power input of the thermo hygrometer Switch the Power On Power is turned on and off with the power switch located below the stand on the back panel To switch the power on toggle the power switch to the I position To switch power off toggle the power switch to the U position The instrument takes a few seconds to power up initialize and begin normal operation A self test is performed displaying the channel configuration and status of the system calibration battery power memory and buttons If the thermo hygrometer calibration has expired and the alert message is enabled the user is notified and must press the button to continue initialization If an error message is displayed on power up see Troubleshooting Measure Temperature After initialization the temperature and relative humidity measurements for the enabled channels are displayed If recording is enabled the measurements will be automatically stored in memory
132. the product development Therefore with proper care the instrument should require very little maintenance Avoid operating the instrument in oily wet dirty or dusty environments e Ifthe outside of the instrument becomes soiled it may be wiped clean with a damp cloth and mild detergent Do not use harsh chemicals on the surface which may damage the LCD or the plastic front panel e Ifa hazardous material is spilt on or inside the equipment the user is responsible for taking the appropriate decontamination steps as outlined by the national safety council with respect to the material e Before using any cleaning or decontamination method except those recommended by Fluke users should check with an Authorized Fluke Scientific Service Center to be sure that the proposed method will not damage the equipment e Ifthe AC adapter becomes damaged have it replaced immediately Never disassemble the AC adapter or attempt to repair it e Ifthe instrument is used in a manner not in accordance with the equipment design the operation of the thermo hygrometer may be impaired or safety hazards may arise e Periodic calibration of the sensors at regular intervals is required to ensure that it continues to measure with proper accuracy Calibration should only be performed by qualified authorized personnel Troubleshooting In case you run into difficulty while operating the thermo hygrometer this section provides some suggestions that may help yo
133. ture and humidity calibration included supplied data includes three each temperature and humidity points Environmental Conditions Although the instrument has been designed for optimum durability and trouble free operation it must be handled with care The instrument should not be operated in an excessively dusty dirty or wet environment Maintenance and cleaning recommendations can be found in the Maintenance section of this manual For full accuracy operate the instrument within the calibrated temperature and relative humidity range of the sensors 5020A Operating Temperature 0 C to 50 C 32 F to 122 F Relative Humidity 0 to 70 RH 5026A H S Operating Temperature 0 C to 50 C 32 F to 122 F Relative Humidity 0 to 100 RH AC Adapter Operating Temperature 0 C to 40 C 32 F to 104 F Relative Humidity 5 to 90 non condensing de rating from 40 C linearly to 50 at 70 C General to all Pressure 75 kPa 106 kPa Vibration should be minimized Altitude less than 2 000 meters Indoor use only 1 8 Introduction Unpacking Chapter 2 Quick Start Use Proper Cirsa iii criados cd Learn About the Features and Components Install the Battery Connect the Connect the Switch the Power On Measure Temperature O EE Power SOUEGCE EE 2 1 5020A Users Manual 2 2 Quick Start Introduction Introduction This section briefly explains the basics of setting up and operating
134. u options e L This button is used to display the alarm window With the alarm window displayed the Exit button can be used to return to the main screen while preserving the alarm events or the Enter button can be used to clear the alarm events and return to the main screen d These buttons are used to move among enabled display layouts W These buttons are used to adjust the display contrast for darker and for lighter Configurations e Model 5020A H KIT includes a 5020A H Thermo Hygrometer readout a high accuracy sensor Model 5026A H a thermo hygrometer readout wall mount bracket power supply Model 5020A PS and an RS 232 cable e Model 5020A S KIT includes a 5020A S Thermo Hygrometer readout a standard accuracy sensor Model 5026A S a thermo hygrometer readout wall mount bracket power supply Model 5020A PS and an RS 232 cable Accessories 3 6 The following accessories are available to compliment either the high accuracy or standard thermo hygrometer readout Parts and Controls 3 Accessories Model 5026A S Spare Sensor Standard Accuracy Model 5027A S Spare Sensor Kit includes a standard accuracy probe Model 5026A S sensor case Model 5026A CASE sensor wall mount bracket Model 5030A MNT and 25 foot 7 6 m extension cable Model Y5028 Model 5026A H Spare Sensor High Accuracy Model 5027A H Spare sensor Kit includes a high accuracy sensor Model 5026A H sensor case Model 5026A
135. u solve the problem Below are several situations that may arise followed by possible causes and suggested actions you might take The following sections list possible situations their causes and suggested actions Incorrect temperature or humidity reading While attempting to measure temperature or humidity the display shows an incorrect value or no value atall e Check to see if the sensor is properly seated in the correct sockets e If the actual temperature is too low or too high there may be a problem with the sensor e The measure period may be set to a long interval Check the measure period setting e Refer to Sensors for information on proper sensor handling and situations that can affect accuracy Missing or Scattered Graph Data If a graph is empty or consists of only scattered points it may be due to data recording not being enabled or the recording period set too large See Record Setting 8 3 5020A Users Manual Blank screen The screen appears blank when switched on Ensure the power adapter is attached properly and the power is switched on This problem can also be caused by improper adjustment of the contrast After the power is switched on allow the thermo hygrometer at least one minute to complete its self test and power on sequence Then try to adjust the contrast using the buttons Error message at power up The thermo hygrometer reports an error during the power up self test T
136. u system are as follows This button is used to select a menu item to accept a choice or save changes to a parameter This button is used to return from a menu or window or cancel changes to a parameter Pressing the Exit button for a second or so returns from most any menu menu function or window back to the main screen A Y These buttons are used to move among menu items or parameters When editing some numeric or alpha numeric parameters these buttons are used to change a digit or character 5020A Users Manual gt These buttons are used to change a value or option when editing a parameter When editing some numeric or alpha numeric parameters these buttons are used to move among digits or characters IR Port The infrared window provides a means for communicating with the thermo hygrometer using infrared serial communications IR COMM mode or printing measurements and daily statistics to a IrDA compatible printer IRDA mode Top Panel The top panel contains the port for attaching the sensor for Channel 1 An optional extension cable may be used to allow the sensor to be placed in a remote location see Figure 3 2 avu053 tif Figure 3 2 Top Panel Right Side Panel The right side panel contains the port for attaching the sensor for Channel 2 An optional extension cable may be used to allow the sensor to be placed in a remote location see Figure 3 3 Parts and Controls Left Side Panel avu
137. ue Event Status Register Operation Status Register Questionable Status Register Alarm Status Register and Measurement status Register ESE Returns the Event Status Enable Register See ESE lt num gt command below Example ESE Response 189 ESE lt num gt MIN MAX DEF This command sets the Event Status Enable Register This register determines which event bits of the Event Status Register affect the ESB Event Summary Message Bit of the Status Byte Register If any event bit of the Event Status Register is set 1 while its corresponding mask bit of the Event Status Enable Register is set the ESB Event Summary Message Bit of the Status Byte Register will be set The value of the lt numeric_value gt parameter is a number from 0 to 255 that is the sum of the binary weighted values of each mask bit The Event Status Register is described in Section below The following example causes the ESB bit in the Status Byte Register to be set whenever a command error or execution error occurs Example ESE 32 ESR SRE Digital Communications Interface 6 Commands This query command returns the Event Status Register It also clears the Event Status Register and the ESB bit of the Status Byte Register The value returned indicates the condition of each of the eight bits of the register by adding the binary weighted values of each bit The meaning of each bit when set 1 is as follows where 0 is the least significant and 7
138. uffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if a humidity rate alarm event has occurred on the specified channel A value of 0 is returned if a humidity rate alarm event has not occurred on the specified channel ALARm RHUMidity lt chn gt RATE ENABle Returns the state of the humidity rate alarm enable for the specified channel Example ALAR RHUM1 RATE ENAB Response 0 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 A value of 1 is returned if the humidity rate alarm is enabled A value of 0 is returned if the humidity rate alarm is disabled ALARm RHUMidity lt chn gt RATE ENABle lt bool gt Sets the state of the humidity rate alarm enable for the specified channel Example ALAR RHUM1 RATE ENAB 1 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 The lt bool gt parameter turns the humidity rate alarm enable on 1 or ON or off 0 or OFF This command may be password protected see Password Commands ALARm RHUMidity lt chn gt RATE LIMit MIN MAX DEF Returns the humidity rate alarm limit for the specified channel in RH per hour Example ALAR RHUM1 RATE LIM Response 5 The RHUMidity suffix lt chn gt specifies the channel 1 or 2 Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively 6 16 Digital Communications Interface 6 Commands ALARm RHUMidity lt chn gt RATE LIMit lt float gt MIN MAX DEF Sets
139. uire the user to cycle the power to return to normal operation Emission Testing The instrument fulfills the limit requirements for Class A equipment but does not fulfill the limit requirements for Class B equipment The instrument was not designed to be used in domestic establishments Low Voltage Directive Safety In order to comply with the European Low Voltage Directive 73 23 EEC Hart Scientific equipment has been designed to meet the IEC 1010 1 EN 61010 1 and the IEC 1010 2 010 EN 61010 2 010 standards Frequently Asked Questions Q Can the 5020A operate on battery power A No The 5020A requires AC power to be fully functional However it does utilize a 9V backup battery that runs the data collection in the event of a power outage When AC power is interrupted the display will go blank and an audible alarm will sound to alert you that the 5020A is running on backup power The 5020A will continue to collect data 8 6 Maintenance and Troubleshooting Frequently Asked Questions on backup power for approximately 16 hours When AC power is restored the display will come back on and show a message stating the AC power was interrupted Q Can I swap out sensors in the field A Yes The sensor s calibration information is stored in the sensor itself When you change out the sensor this information is automatically downloaded to the 5020A There is no need to reprogram probe coefficients into the 5020A How many read
140. ure alarm is enabled A value of 0 is returned if the upper temperature alarm is disabled ALARm TEMPurature lt chn gt UPPer ENABle lt bool gt Sets the state of the upper temperature alarm enable for the specified channel Example ALAR TEMP1 UPP ENAB 1 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 The lt bool gt parameter turns the upper temperature alarm on 1 or ON or off 0 or OFF This command may be password protected see Password Commands ALARm TEMPurature lt chn gt UPPer LIMit MIN MAX DEF Returns the upper temperature alarm limit for the specified channel in degrees C or F Example ALAR TEMP1 UPP LIM Response 28 00 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 The value returned is always in the current temperature units C or F Specifying the MIN MAX or DEF parameter returns the minimum maximum or default value respectively ALARm TEMPurature lt chn gt UPPer LIMit lt float gt MIN MAX DEF Sets the upper temperature alarm limit for the specified channel in degrees C or F Example ALAR TEMP1 UPP LIM 26 00 The TEMPerature suffix lt chn gt specifies the channel 1 or 2 The lt float gt parameter specifies the value for the upper temperature alarm limit The lt float gt value is always in the current temperature units C or F Specifying the MIN MAX or DEF parameter sets the upper temperature alarm limit to the minimum maximum or default value res
141. urement statistics are kept as measurements are made The current statistics can be displayed in any STATS type zone The statistics can also be stored automatically at the end of the day and reset automatically at the beginning of the next day The DAILY STATS menu options are STATS SETTING STATS VIEW STATS PRINT STATS RESET and STATS CLEAR The DAILY STATS can be password protected T 3 81 C at Las e move to SETTING item ESTATE 40 9 4 jee oe o 1 Er STATS FEIHT ER STATS 08 55 06 peturn BEE 03 04 03 Big avu025 jpg Figure 5 24 Daily Stats The buttons are used to select the menu option The buttons are used to change the setting parameters Press the button to save the new setting Press the button to cancel any changes and exit to the menu Stats Setting The STATS SETTING function sets the daily statistics recording options The AUT REC enables ON or disables OFF automatic recording of the statistics The REC TIM may be set from 00 00 to 23 00 The REC TIM function sets the hour just prior to which the statistics are automatically recorded when AUT REC is ON If REC TIM is 00 00 the statistics are recorded after the last measurement of the day AUT RES enables ON or disables OFF automatic reset of the statistics and may be set from 00 00 to 23 00 RES TIM sets the hour when the statistics are automatically reset if AUT RES is ON If RES TIM is 00 00 the statistics are reset ju
142. valid baud rate setting is required e For query commands specifying the MIN MAX or DEF parameter causes the instrument to respond with the minimum maximum or default setting respectively e For set commands specifying the MIN MAX or DEF parameters causes the instrument to use the minimum maximum or default setting respectively e Unrecognized commands or commands with incorrect syntax or invalid parameters generate error messages that are placed in the error queue see SYST ERR Alarm Commands ALARm BATTery Indicates whether a battery alarm event has occurred Example ALAR BATT Response 1 A value of 1 is returned if a battery alarm event has occurred A value of 0 is returned if a battery alarm event has not occurred ALARm BATTery ENABle Returns the state of the battery alarm enable Example ALAR BATT ENAB Response 0 A value of 1 is returned if the battery alarm is enabled A value of 0 is returned if the battery alarm is disabled ALARm BATTery ENABle lt bool gt Sets the state of the battery alarm enable Example ALAR BATT ENAB 1 The lt bool gt parameter turns the battery alarm enable on 1 or ON or off 0 or OFF This command may be password protected see Password Commands ALARm BEEP Returns the state of the audible alarm enable Example ALAR BEEP Response 0 A value of 1 is returned if the alarm beep is enabled A value of 0 is returned if the alarm beep is disabled 6 13
143. w battery alarm is enabled the user will be alerted when the battery charge drops below approximately 50 The battery charge level can be viewed with a display layout that includes a stat type zone with one of the fields set to BATT To prevent inadvertent battery drain remember to switch the power switch off when external power is disconnected and the thermo hygrometer is not in use To install or replace the battery follow these steps 1 2 Switch the power off and unplug the DC power cord Turn the thermo hygrometer over to access the rear battery compartment Press down slightly on the battery cover and slide it out to remove it Remove the old battery if one is in place by lifting it up at the bottom and pulling 1t out Slide the new battery in at an angle observing the proper polarity so the terminals mate correctly then press the bottom of the battery down into the holder Replace the battery cover Replace the DC power cord and switch the power on 4 3 5020A Users Manual Used batteries must be disposed of properly See Warnings at the beginning of this manual Sensor Configuration The thermo hygrometer can be used with one or two sensors of either type attached at either of the two ports Extension cables can be used with the sensors to allow the sensors to be placed at remote locations The extension cables can be up to 30m 100 ft in length When a sensor is attached the thermo hygrometer detects the s
144. w data block is started when the thermo hygrometer is powered on when record setting parameters are changed and when data is printed or written to a file A new data block is also started when the date or time is set when the date changes and at regular intervals depending on the record period Thus data blocks may contain various quantities of measurements 5 13 5020A Users Manual A Caution When data recording memory fills up the earliest block of data is automatically discarded so recording of the most recent data can continue Data Record The DATA RECORD function allows the setting of the data recording features The functions that appear in this menu are RECORD SETTING DATA VIEW DATA PRINT DATA STORAGE and DATA CLEAR have 6 Tee item ENTER D I SC Cep g PRINT EXIT en STORAGE CLEAR dle ir A ER eke ae ROS Figure 5 17 Data Record avu018 jpg Use the buttons to select the menu Press the button to select the menu Press the button to cancel any changes and exit to the menu Record Setting The RECORD SETTING function allows you to select what is to be recorded and how often the recording occurs This may be password protected The temperature and humidity from each channel can be recorded and the recording period is selectable To record the temperature on sensor channel 1 set REC 1 T to ON To record the humidity on sensor channel 1 set REC 1 H to ON To record the temper
145. yed in the RATE H field of a STATS display zone If RATE T is 5 minutes or less the rate of change is calculated as the average rate of change using all the measurements obtained during the past RATE T time If RATE T is greater than 5 minutes the rate of change is calculated using the most recent measurement and the measurement obtained RATE T time ago If there are as yet insufficient measurements to calculate the rate of change only dots are displayed in the RATE T or RATE H field Menu Functions 5 Channel Menu 23 68 40 4 08 45 32 09 04 03 S avu005 jpg Figure 5 4 Channel Setting Use the buttons to select the setting to change The 4 P buttons are used to change the setting parameters Press the button to save the new setting Press the button to cancel any changes and exit to the menu Sensor ID The SENSOR ID function allows each sensor to be uniquely identified This may be password protected to prevent it from being changed The model number and serial number are displayed here but cannot be edited The sensor ID cannot be set for a channel without a sensor attached The sensor ID is stored in the sensor not in the thermo hygrometer 25 00 L 2937 avu006 jpg Figure 5 5 Sensor ID Use the 4 and buttons to select the sensor identification to change The 9 buttons are used to move among character positions and the buttons are used to change the character Letters
146. your thermo hygrometer Unpacking Carefully unpack the thermo hygrometer and inspect the instrument to make sure all components are present and in satisfactory condition Verify that the following items are present e 5020A Thermo Hygrometer e AC adapter and power cord e Serial cable e Getting Started Manual e CD ROM with complete Users Manual e Report of calibration e Wall mount bracket e Sensor e 9V battery If all items are not present call your Fluke Authorized Service Center Use Proper Care First and most important is to understand the safety issues related to the thermo hygrometer Carefully read Safety Information The thermo hygrometer and sensors used with it are sensitive instruments that can be easily damaged Always handle these devices with care DO NOT allow them to be dropped struck stressed or over heated Learn About the Features and Components Familiarize yourself with the features and accessories of the thermo hygrometer by reading Parts and Controls Install the Battery To maintain uninterrupted measurement when power outages occur you must install the included battery into the rear battery compartment A standard 9V alkaline battery NEDA 1604A or IEC 6LR61 is recommended With a fresh alkaline battery installed the thermo hygrometer will continue to measure and record temperature and relative humidity during a power outage for up to 16 hours typically However without external power

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