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1523, 1524 Reference Thermometer Technical Guide

1. e lt conv gt indicates a conversion mnemonic is required 48 Digital Communication Interface Serial Commands Alphabetic Listing e lt param gt indicates a parameter name is required e lt seri gt indicates a serial number is required e lt unit gt indicates a temperature unit is required e lt temp gt indicates a temperature C F is required e lt pass gt indicates a password is required e lt port gt indicates a port number is required e lt label gt indicates an eight character label is required e lt year gt indicates a four digit number is required e lt month gt indicates a one or two digit number is required e lt day gt indicates a one or two digit number is required e hour indicates a one or two digit number is required e lt minute gt indicates a one or two digit number is required e lt second gt indicates a one or two digit number is required e lt baud gt indicates a valid baud number is required CLS Clear the event registers and the error queue Example CLS This command has no response IDN Returns the instrument identification string that indicates the manufacturer model number serial number and firmware version Example IDN Response FLUKE 1524 23456 1 00 RST Set the instrument operating parameters to defined conditions Example RST This command has no response CALCulate AVERage CLEar Clear the statistical functions for all probes 49 1
2. 14 Quick Start Setup SETUP Channel T1 Channel T2 Instrument SETUP INSTRUMENT Fast Scan Model OFF ON gt lt Select gt Contrast MIN 1 2 15 MAX gt lt Select gt Auto OFF OFF 1 2 3 30 Minutes Select Backlight Time OFF 1 2 3 30 Minutes gt lt Select gt Serial Port ON OFF gt lt Select gt Baud Rate 2400 9600 Select Date Time DATE TIME ADJUST Date lt YYYY gt lt MM gt lt DD gt Select Time lt HH gt lt MM gt lt SS gt lt Select gt 24 hour time Figure 10 1524 Menu cont 15 1523 1524 Reference Thermometer Setup RECALL Review Saved Returns to Main Screen No Data Saved or Returns to main screen if data for data display Send Saved ENTER to send complete RECALL to exit Delete Saved DELETE Saved Empty or Confirm DELETION Enter to Delete NEXT to Cancel Send Logs Delete Logs Figure 11 1524 Menu cont 16 Quick Start Specifications RECALL Review Saved Returns to Main Screen Send Saved Delete Saved Send Logs SEND Tag lt ALL 01 Data 01 02 Data 02 25 Data 25 Select records Enter to Send Delete Logs DELETE Tag lt ALL 01 Data 01 02 Data 02 25 Data_25 gt lt Select gt used n records Enter to Delete Confirm DELETION ENTER to Delete NEXT to Cancel Figure 12 1524 Menu cont LOG AUTO LOG
3. 82 Table 31 1523 24 Alignment Settings sssssssssm 89 1 1 1 2 1 3 1 3 1 Before You Start Safety Information Before You Start Introduction The Reference Thermometers 1523 1524 are designed to be reliable stable tem perature measuring instruments that can be used in the field or laboratory They offer accuracy portability and speed for nearly every field calibration application The instruments have been designed with the field user in mind and are easy to use while maintaining stability uniformity and accuracy comparable to some laboratory instru ments Your Fluke 1523 and 1524 thermometers are a handheld battery operated instrument that measures temperature using Platinum resistance Thermometers PRT Thermistors and Thermocouples TC Standard Equipment Unpack the instrument carefully and inspect it for any damage that may have occurred during shipment If there 1s shipping damage notify the carrier immediately Verify that the following components are present e 1523 1524 Reference Thermometer with 3 AA batteries e AC Adapter with power cord e RS 232 Cable e User s Guide e Documentation CD e Report of Calibration and calibration label e Clamp on ferrite s If all items are not present contact an Authorized Service Center See Section 1 8 Authorized Service Centers on page 4 Safety Information The Reference Thermometer is designed in accordance with EN 61010 1 2nd Edi
4. vi Figures Figure 1 CGlamp Ori Ferrite s eee tcr ird ie i na 4 Figure 2 Input Output Connections 1523 sss 7 Figure 3 Input Output Connections 1524 sss 8 eU a qc e LEPIDE 9 Figure 5 1523 Menu ene enne nennen nnne nnns 11 Fig re 6 1523 Meriu COMM iicet eet o tec eo rer dnas 11 Figure 7 t5323 Menu COMM c i et uta etel et dt Ded dnte d de at d 12 Figure 8 1524 Men 14 Figure 9 1524 Meri COMM isi err eren t ERR Fera Pe a E RA TRE SERE CE t X ER unda 14 Figure 10 1524 Menu cont ssssssssssse ee nenne 15 Figure 11 1524 Menu cont ssssssssssee emen 16 Foure 12 1524 Menu COMI ue tice cid ed desee eas Re ed anat au 17 Figure 13 1524 Menu cont sssssssss nmn 17 Figure 14 12V DC Power source Polarity ssssssss e 24 Figure 15 Probe wiring dagorams e 27 Figure 16 RS 232 wiring sssssssssssseee eee nee 43 Figure 17 Flow chart for manual calibration sssse 79 vii 1523 1524 Reference Thermometer viii Tables Table 7 International Symbols ice nemo ertet eret 3 Table 2 1523 Input Output Connection 7 Table 3 1524 Input Output Connections sssssssse e 8 Table 4 4529 A lee EE 10 Table 5 1524 Key Funchong emm eem 12 Table 6 Table 6 General Specifications sssssssssse 18 Table 7 Table 7 Millivolt Measuremenmt ccc cee eeeeceeeeeeeeeeeteettttteneeaees 18 Table 8 Referenc
5. A Hart Scientific e 1523 1524 Heference Thermometer Technical Guide Test Equipment 99 Washington Street Depot Melrose MA 02176 Phone 781 665 1400 1 800 517 8431 Toll Free 1 800 517 8431 ISS a WN TESEU prient Depot com Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781 665 0780 TestEquipmentDepot com Revision 892401 Limited Warranty amp Limitation of Liability Each product from Fluke Corporation Hart Scientific Division Hart is warranted to be free from defects in material and workmanship under normal use and service The warranty period is one year s for the Reference Thermometer The warranty period begins on the date of the shipment Parts product repairs and services are warranted for 90 days The warranty extends only to the original buyer or end user customer of a Hart authorized reseller and does not apply to fuses disposable batteries or to any other product which in Hart s opinion has been misused altered neglected or damaged by accident or abnormal conditions of operation or handling Hart warrants that software will operate substantially in accordance with its functional specifica tions for 90 days and that it has been properly recorded on non defective media Hart does not warrant that software will be error free or operate without interruption Hart does not warrant calibrations on the Reference Thermometer Hart authorized resellers shall
6. LOGging DEMand DELete Delete all entries from the demand log Error 221 Settings conflict is queued if the data logging storage is corrupt or if the demand recall or demand delete display is active Example LOG DEM DEL LOGging DEMand FREE Return the number of demand log entries free and in use The response consists of the number free entries followed by the number of used entries separated by a comma 399 Error 221 Settings conflict is queued if the data logging storage is corrupt Example LOG DEM FREE Response 8 17 LOGging DEMand POINt Return the number of demand log entries already stored 399 Error 221 Settings conflict is queued if the data logging storage is corrupt Example LOG DEM POIN Response 17 LOGging DEMand PRINt Send all demand log entries This example shows the 1524 return data A single channel and no time and date are shown on the 1523 return data Digital Communication Interface Serial Commands Alphabetic Listing Each data line includes the default or user defined demand log description the channel number the primary value and units and on the 1524 the time and date When both channels are active records for each channel alternate When only one channel is ac tive no records are sent for the inactive channel 399 Error 221 Settings conflict Example LOG DEM PRIN is queued if the data logging storage is corrupt Response DTEST 1 22
7. Main Screen The LCD on the front panel allows direct viewing of the temperature readings auxilia ry reading statistics MIN MAX AVE and STDDEV or a graphical representation of the temperature reading over time with the temperature or stats for the temperature above the graph The temperature displayed is either in C or F and is easily changed by pressing the C F key on the front keypad The main displayed value is the tem perature reading from the probe The auxiliary reading is the value displayed based on the user options from the SETUP menu and includes the reading in ohms mV Delta X T1 T2 or T2 T1 or the reference junction temperature if a thermocouple is used The main screen will also show the menu items and selections when a menu related key is pressed The following sections describe the keys and menu functions STATS The STATS key allows the user to view the minimum maximum average and the standard deviation of the readings on each channel When using this feature press the STATS key to enter this mode Press the STATS key again to toggle through the statis tics options MAX MIN AVE and STDDEV The results of the selection are shown in the main numeric display If the user enters into the graphing mode the results of the selection will be displayed across the top of the graph in the smaller characters When using this feature on the 1524 dual channel instrument both of the channels will display the
8. Response 1 CALCulate lt prb gt CONVert VERSion lt num gt Set the probe data structure version number for the specified probe 53 1523 1524 Reference Thermometer Serial Commands Alphabetic Listing 54 The CALCulate suffix prb specifies the probe 1 or 2 Defaults to 1 if omitted The num parameter is an integer value 0 to 255 Example CALC2 CONV VERS 1 NOTE This command is protected which requires a password to set it Error 2003 Command protected is queued if the password has not been entered with SYST PASS CEN CALibrate DEVice AUTO Return the state of the automatic power off feature The response is ON or OFF Example CAL DEV AUTO Response ON CALibrate DEVice AUTO lt val gt Set the state of the automatic power off feature The val parameter is ON or OFF When turned on the timer is set to a default of 30 minutes Example CAL DEV AUTO ON CALibrate lt chn gt DEVice LOCK Return the lock status of the channel and the inserted probe if any The CALibrate suffix lt chn gt specifies the channel 1 or 2 Defaults to 1 if omitted If no probe is inserted the response is 0 if the channel is not locked otherwise 1 If a probe is inserted the response is 0 if both the channel and the probe are not locked otherwise if either is locked The CALibrate lt chn gt DEVice LOCK DATA query may be used to obtain details of the channel and probe locks Example CAL2 D
9. STATus QUEStionable ENABle Return the Questionable Event Enable Register The bit assignments are the same as for STATus QUEStionable Example STAT QUES ENAB Response 0 STATus QUEStionable ENABle lt num gt Set the Questionable Event Enable Register The lt num gt parameter specifies the event enable bits which are to be set 0 to 65535 decimal The bit assignments are the same as for the STATus QUEStionable Example STAT QUES ENAB 1799 SYSTem COMMunicate SERial BAUD Return the present serial port baud rate setting The response is the present baud rate setting Digital Communication Interface Serial Commands Alphabetic Listing Example SYST COMM SER BAUD Response 9600 SYSTem COMMunicate SERial BAUD lt baud gt Set the serial port baud rate The lt baud gt parameter is the new baud rate 2400 or 9600 After this command is sent the remote program must switch to the same baud rate for all commands sent to the unit Example SYST COMM SER BAUD 2400 SYSTem COMMunicate SERial OFF Turn off the serial port After this command is sent the unit will not respond to any further commands The port control item on the Instrument Setup screen of the unit must be used to turn the serial port back on Example SYST COMM SER OFF SYSTem DATE Return the date The response is returned in the format lt year gt lt month gt lt day gt This command is only available in the model 1524 and results
10. lt n gt specifies the demand log statistical type number as listed in Table 23 on page 75 Defaults to 1 if omitted The num parameter specifies the demand log entry to return 1 to 25 Specifying 0 returns the first oldest log entry Specifying a value greater than the number of logged points returns the last log entry The example shows the 1524 return data A single channel and no time and date are shown on the 1523 return data Each data line includes the default or user defined demand log description the channel number the requested value and units and on the 1524 the time and date When both channels are active records for each channel alternate When only one channel is ac tive no records are sent for the inactive channel Error 221 Settings conflict is queued if the data logging storage is corrupt Example LOG DEM STAT2 10 Response DTEST 1 803 220 C 15 19 46 2000 05 24 DTEST 157 158 C 15 19 46 2000 05 24 LOGging LABel lt n gt NAME Return the user defined tag name of the specified auto logging tag number or the demand log user defined name If the LABel suffix lt n gt is supplied it specifies the auto logging tag number of the user defined tag name to return to 25 If no user defined name has been entered for the tag number the default tag name DATA_ nn is returned If no suffix is supplied the demand log user defined name is returned If no user defined name has been entered for the demand
11. 00 HLOHMS Ref Point Adjustment Values NOTE All serial commands below must be sent in the order shown Not doing so will cause other calibration parameters to change values This produces large errors in the calibration 1 Using a terminal program set the terminal program communication settings to Baud 9600 Parity None Flow Control None Stop Bits 1 Plug the provided serial communications cable into the UUT 2 Set the number of Ref points to 2 for each range by sending the following serial commands SYST PASS CEN XXXX where XXXX is the current UUT password CAL DEV RANG SEL L75 OHMS CAL DEV RANG NUM 2 CAL DEV RANG SEL LO OHMS CAL DEV RANG NUM 2 CAL DEV RANG SEL MED OHMS CAL DEV RANG NUM 2 CAL DEV RANG SEL HI OHMS CAL DEV RANG NUM 2 CAL DEV RANG SEL MV CAL DEV RANG NUM 2 3 Set all Reference points to their designated values see table 1523 24 Alignment settings XXX for each range by sending the following commands CAL DEV RANG SEL L75 OHMS CAL DEV RANGE REFI 0 0 CAL DEV RANGE REF2 75 0 CAL DEV RANG SEL LO OHMS CAL DEV RANGE REFI 75 0 CAL DEV RANGE REF2 400 0 CAL DEV RANG SEL MED OHMS Calibration of Your Reference Thermometer Readout Manual Calibration Process CAL DEV RANGE REFI 400 CAL DEV RANGE REF2 40000 CAL DEV RANG SEL HI OHMS CAL DEV RANGE REFI 40000 CAL DEV RANGE REF2 500000 CAL DEV RANG SEL MV CAL DEV RANGE REFI 0 0 CAL DEV RANGE REF2 75 4 Setall adjustment parameters to 0 0 for
12. 1 LOGging AUTomatic TIMe lt rate gt Set the Auto Log interval The lt rate gt parameter must be one of the following values AUTO 1 2 5 10 30 or 60 Numeric intervals are expressed in seconds AUTO logs unique values as often as they are available 399 Error 221 Settings conflict is queued if the data logging storage is corrupt if the LOG menu is active or if data logging is active Example LOG AUT TIM 1 LOGging AUTomatic VA Lue lt num gt Return the specified Auto Log entry for a preselected tag number The lt num gt parameter specifies the Auto Log entry to return Specifying 0 returns the first oldest log entry Specifying a value greater than the number of logged points returns the last log entry Each data line includes the default or user defined tag name the channel number the primary value and units and the time and date When both channels are active records 1523 1524 Reference Thermometer Serial Commands Alphabetic Listing 62 for each channel alternate When only one channel is active no records are sent for the inactive channel The tag number addressed must have been previously selected with the LOG AUT LAB command 399 Error 221 Settings conflict is queued if the data logging storage is corrupt or if no tag is selected with LOG AUT LAB Example LOG AUT VAL 10 Response DATA 25 1 23 220 C 15 19 46 7 2000 05 24 DATA 25 2 23 220 C 15 19 46 7 2000 05 24
13. AUTO LOG Note If logging with a model 1524 using two active probes and a 1 second interval a second of data will be skipped approximately every three seconds in order to have unique values in every set of stored data When the unit is in Auto interval sampling the Fast Scan Mode Specifications apply Refer to Table XXX Fast Scan Mode Specifications and Table XXX Sample Interval per Channel in Seconds Sending Auto Log Data to a Computer The data from one or all tags can be sent out the serial port to a computer In order to send data out the serial port the instrument must be in the main numeric screen and the logging session must be turned off no logging or graphing The user may then press the RECALL key and press the NEXT key to highlight the Send Logs selection then press ENTER The next menu screen will allow the user to select a specific Tag ID to download or choose to down load All tags Use the up and down arrow keys to make selection Data Upload Format Each data line includes the default or the user defined Tag ID the channel number the primary value with units and time and date Note The time stamp is available on model 1524 only If only one channel is active during the logging session only the data for the active channel will be will be sent through the serial port If both channels are active the records for each channel will alternate on the output The output format is shown in the following example for a two cha
14. Channel T1 Setup 30 Channel T2 Setup 30 99 1529 Chub E4 Thermometer Readout Clamp On Ferrites 4 cleaning 97 Commands Calibration and Setup 45 Commands Data Logging 45 Commands Measurement 45 Commands Probe Setup 45 Commands Serial 48 Commands Status and Event 45 Commands System 45 Contrast 33 D Data Logging Commands 45 Data Upload Format 41 Date Time 34 Demand Log 35 DEMAND LOG 39 DISPlay lt chn gt RESolution 58 DISPlay lt chn gt RESolution lt num 58 Display Functions 29 E ENTER 35 error message 75 Error Messages 75 F Fast Scan Mod 33 Fast Scan Mode 40 81 ferrite 4 FETCh lt prb gt 58 H High Ohms Range 87 HI OHMS Range 92 HOLD 29 HOME 38 I INFO CON 24 26 Interval 37 L L75 Ohms Range 84 L75 OHMS Range 91 100 LOG 37 LOG Full 40 LOGging AUTomatic DELete num 59 LOGging AUTomatic FREE 59 LOGging AUTomatic LABel 59 LOGging AUTomatic LABel num 59 LOGging AUTomatic POINt 59 LOGging AUTomatic PRINt lt num gt 60 LOGging AUTomatic STATus 60 LOGging AUTomatic STATus lt bool gt 61 LOGging AUTomatic TIMe 61 LOGging AUTomatic TIMe lt rate gt 61 LOGging AUTomatic VALue lt num gt 61 LOGging DEMand DELete 62 LOGging DEMand FREE 62 LOGging DEMand POINt 62 LOGging DEMand PRINt 62 LOGging DEMand STATistic lt n gt lt num gt 63 LOGging DEMand VALue lt num gt 63 LOGging LABel lt n gt NAME 64 LOGging LABel lt n gt NAME lt label gt 64
15. Service Center See Section 1 8 Authorized Service Centers on page 4 Battery Symbol is displayed The battery is low and needs to be changed When this symbol appears the batteries should be replaced to ensure the accuracy of readings Waiting for Data is displayed when a probe is plugged in locked is displayed Cannot change INFO CON settings using the 9940 software or manually through the serial port The instrument display is blank when it should show measurements While attempting to measure resistance the display shows an incorrect or erratic value The instrument is unable to detect that a probe is connected Check that a probe with a properly programmed INFO CON connector is attached The incorrect probe is attached to the unit or channel in the case of the 1524 The meter is set to accept only the probe with the given serial number to the specified channel Attach the correct probe or have the instrument properly programmed for the new probe See Probe Lock Function section XXXX The pass code entered was not correct Note The factory set pass code is 1234 Make sure the instrument has power either from the batteries or the AC adapter Verify that the initialization information appears on the display when the power is switched on Check to make sure that a probe is properly connected Check to make sure that the INFO CON connector is programmed properly using the 9940 software Poor or incor
16. minute parameter is a one or two digit number 0 to 59 The second parameter is a one or two digit number 0 to 59 This command is only available in the model 1524 and results in a command error if used with the model1523 Example SYST TIME 18 43 23 SYSTem VERSion Return the SCPI version number 71 1523 1524 Reference Thermometer Serial Commands Alphabetic Listing 72 Example SYST VERS Response 1999 0 UNIT TEMPerature Return the temperature unit The response is either C for Celsius or F for Fahrenheit Example UNIT TEMP Response C UNIT TEMPerature lt unit gt Set the temperature unit The lt unit gt parameter is either C for Celsius or F for Fahrenheit Example UNIT TEMP C Table 19 Statistical Types number Type Jee 2 wmm un Standard Deviation STD Table 20 Probe Conversion Types PRT ITS90 ITS ITS90 5 ITS5 CVD CVD PT100 RPRT Thermistor Polynominal R T TRES Thermocouple weg v ENS NENNEN LE SEE OM M D LE JEN Table 21 Probe Characterization Parameters S T U e pores ron D T Douie Festina ron DIT Duo rese c weer rese c B5 i i C C C ss Double Floating Point RTPW Double Floating Point Double Floating Point Double Floating Point ITS90 5 Double Floating Point Double Floating Point pe Double Floating Point mnop megre A Double Floating Point a Dowe Feaing Fant e Dowie Faing Faint Duo
17. 000Q nominal HI_OHMS Range ADJI ave40 000Q 40 000Q nominal ADJ2 0 8333 ave300 000Q 300 000Q nominal 0 5 ave500 000Q 500 000Q nominal Millivolt Range ADJI ave0mV 0mV nominal ADJ2 ave75mV 75mV nominal 8 Send the calculated ADJ values from step 7 to the UUT using the following serial commands The XXXX represents the new calculated value CAL DEV RANG SEL L75 OHMS CAL DEV RANGE ADJI XXXX CAL DEV RANGE ADJ2 XXXX CAL DEV RANG SEL LO OHMS CAL DEV RANGE ADJ1 XXXX CAL DEV RANGE ADJ2 XXXX CAL DEV RANG SEL MED OHMS CAL DEV RANGE ADJ1 XXXX CAL DEV RANGE ADJ2 XXXX CAL DEV RANG SEL HI OHMS CAL DEV RANGE ADJI XXXX CAL DEV RANGE ADJ2 XXXX CAL DEV RANG SEL MV CAL DEV RANGE ADJI XXXX CAL DEV RANGE ADJ2 XXXX Calibration of Your Reference Thermometer Readout Manual Calibration Process 79 3 1523 24 As Left Test Data 1 Take as Left data by following the steps in the As Found Data section 2 Calculate the average and the standard deviation of the measurements taken in step 1 including the Channel T2 data Record the results 3 Compare the error with the specification in the Accuracy Test Setting and Specification tables for each range to determine the pass fail status Record the result 93 Troubleshooting 8 Troubleshooting Below are several situations that may arise followed by possible causes of the prob lem and suggested actions If you can not resolve the problem contact an Authorized
18. 1 to the unit where x is the channel that the probe is connected to To unlock a probe send the SYST PASS CEN XXXX where xxxx is the unit pass word Then send the command CALx DEV LOCK 0 Any unit can unlock a locked probe The 9940 software can read in a locked probe s data If the probe lock is on and a different probe is attached to the unit or channel the dis play will show LOCKED Measuring is disabled If probe lock is off the instrument can be used with any probe Refer to the Digital Communication Interface section of this manual INFO CON Connector The probe s connects to the top of the 1523 24 reference thermometer using a Hart INFO CON connector The probe connector will fit snugly and lock into place when it is fully inserted The connector includes a memory device that stores the unique char acteristics of the probe allowing the instrument to measure temperature accurately Generally the probe will be purchased with the connector attached and programmed by the factory Connectors can be purchased separately and installed on probes by the user The INFO CON can be programmed directly from the 1523 24 by authorized personnel using the serial port commands or the 9940 software see Section 6 Digital Communication Interface on page 43 If it is necessary to connect an INFO CON connector to a probe in the field follow the diagram below for connecting the wires of the probe to the connector terminals Be fore openi
19. 1523 Key Functions a ER Te Yellow Second or Special Function Key 1st Press MAX 2nd Press MIn 3rd Press AVE 4th Press STD DEV Units C F 1st press Holds value on screen HOLD across bottom of screen 2nd press Releases Screen hold Enters setup menu see menu structure Saves measurement as a logged data point Arrows increment or decrement selections in an active field In Graph Mode Arrows change the scale of the graph Selects highlighted selection Saves a new selection 1st Press Enters Recall menu 2nd Press Exits Recall Menu Moves down to next option on screen RESET Resets Stats Data P Q mV Toggles from C to Q or Q to C PRT thermistor C to mV or mV to C TC oa TREND Starts Graphing data o HOME Returns user to main screen 10 Quick Start Setup SETUP Channel T1 T1 Setup Probe View Only Infocon data Conversion Type Probes Types PRT Thermister TC Config View Only Listing ENTER to view Infocon data Base X lt a value between MINOP 3 C and MAXOP 3 C gt C Select Aux Disp None OHMS DeltaX gt Select options if resistance thermometer is used None RJ Temp TC mV DeltaX gt Select options if TC is used Temp Res 0 1 2 3 Select RJ Internal Viewable only when TC with internal RJ is used RJ lt an editable value of TCRJ gt editable when TC
20. 2596 of the screen and continue plotting The temperature scale is displayed on the vertical axis and is adjustable up to 4 orders of magnitude The display range is shown on the left side of the vertical axis and is ad 4 15 4 15 1 4 15 2 Display Functions and User Interface LOG justed using the UP and DOWN ARROW keys to increase or decrease the scale range The available range selections are 0 01 0 1 1 0 10 0 C The vertical scale center is calculated automatically and displayed The graphing function may be used on models 1523 and 1524 The 1523 will al ways display Channel T1 When using the 1524 instrument Channel T1 is selected by default the user may select between Channel T1 and Channel T2 by pressing the NEXT key In this mode data for both Channel T1 and Channel T2 graphs are main tained simultaneously Only one channel may be displayed at a time while the other channel is held in memory When a channel is switched the graph is replaced with data from the new channel While in the graphing mode the channel being displayed is shown on the top left area of the display T1 or T2 The top right area of the display shows the statistical option followed by the statistical value for the displayed channel in numeric format The most recent temperature measurement is displayed in numeric format above the graph and just below the stats value The statistical option selection may be changed by pr
21. 4 Wire 00 to 4000 0 004 0 002 Q Temperature Coefficient 10 C to 13 C 33 C to 60 C 0 0008 C 0 0004 Q Excitation Current 1 mA 18 Quick Start Specifications Table 10 Table 9 Ohms Measurement Thermistor 200 Q to 50 kQ 0 01 0 5 Q 50 kO to 500 kO 0 03 96 Temperature Coefficient 10 C to 13 C 33 C to 60 C 0 002 C 0 1 Q 0 Q to 50 kA 0 06 C 0 1 Q 50 kO to 500 kQ Excitation Current 10 pA 0 Q to 50 kQ 2 pA 50 KO to 500 kQ Table 11 Equivalent temperature accuracies derived from primary Specifications Q mV Measure Type Range Accuracies ITS 90 600 C to 800 C 800 C to 1000 C 1000 C to 1800 C 100 C to 550 C 550 C to 2300 C 200 C to 0 C 0 C to 950 C 200 C to 0 C 0 C to 1200 C 200 C to 0 C 0 C to 1370 C 200 C to 0 C 0 C to 900 C 20 C to 0 C Oo c 0 C to 400 C 400 C to 1400 C 200 C to 0 C 0 72 C 0 C to 1300 C 0 28 C 20 C to 0 C 0 C to 500 C 500 C to 1750 C 20 C to 0 C 0 C to 500 C 500 C to 1750 C 200 C to 0 C 0 60 C 0 C to 400 C 0 25 C 200 C to 0 C 0 54 C 0 C to 400 C 0 24 C Resolution 0 01 Note 1 Accuracies are based on internal Reference Junction Compensation 19 1523 1524 Reference Thermometer Specifications Table 12 Temperat
22. 665 0780 TestEquipmentDepot com 46 Digital Communication Interface Serial Commands by Function or Group Password Functions or SCREEN Protection Groups PARAMETER Command Group Read Write Probe Setup DATE CALC lt prb gt CONV DATE CAL DATE CALC lt prb gt CONV DATE CAL Ww lt year gt lt month gt lt day gt L ven D D D D none CALC prb CONV VERS DATE SYST DATE Ww Ww Ww Ww Ww Ww Ww STAT MEAS COND TIME SYST TIME TIME SYST TIME lt hour gt lt minute gt lt second gt DATE SYST DATE lt year gt lt month gt lt day gt Ww 47 1523 1524 Reference Thermometer Serial Commands Alphabetic Listing Password Functions or SCREEN Protection Groups PARAMETER Command Em mM System Password SYST PASS CDIS w PASSWORD SYST PASS CEN a USER PASSWORD SYST PASS NEW indicates the command is password controlled Reference System Password section for password input 6 4 Serial Commands Alphabetic Listing Each command description provides the structure long and short format a descrip tion 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 to each group of commands e Numeric data specified by the mnemonic num uses ASCII characters to represent numbers Numbers may contain a plus or minus or sign decimal point and ex
23. FREE n m Where n is 0 100 and m is number of available Bytes INTERVAL n Sec n Auto 1 2 5 10 30 60 gt lt Select gt Tag 1 Data 01 2 Data 02 25 Data 25 Select view only Date and Time Session View available Condition START or STOP ENTER to assert Figure 13 1524 Menu cont 2 2 Specifications Specifications are based on a one year calibration cycle and apply from 13 C to 33 C unless stated otherwise All specifications assume a five minute warm up period 17 1523 1524 Reference Thermometer Specifications Table 6 Table 6 General Specifications Operating 10 C to 60 C Temperature Storage Temperature 20 C to 70 C Operating altitude 10 000 meters above mean sea level Relative Humidity 0 to 90 non condensing RH operating without condensation Power requirements 3 AA alkaline batteries 12 V dc universal power supply 96 x 200 x 47 mm 3 75 x 79 x 1 86 inches 0 65 kg 1 4 Ib Safety EN 61010 1 2001 CAN CSA C22 2 No 61010 1 04 tEnvironmental conditions for all specifications 13 C to 33 C Table 7 Table 7 Millivolt Measurement 10 mV to 75 mV 0 001 mV 0 005 5 uV Temperature Coefficient 10 C to 13 C 33 C to 60 C 0 001 C 1 uV C Table 8 Reference Junction Compensation Thermocouple Reference Junction Compensation Accuracy Table 9 Table 8 Ohms Measurement RTDs Ohms Range Accuracy
24. Free 1 800 517 8431 STATus MEASure ENABle num 67 STATus MEASure EVENt 66 STATus QUEStionable CONDition 68 STATus QUEStionable ENABle 68 STATus QUEStionable ENABle lt num 68 STATus QUEStionable EVENt 67 Syntax Command 44 System Commands 45 SYSTem COMMunicate SERial BAUD 68 SYSTem COMMunicate SERial BAUD lt baud gt 69 SYSTem COMMunicate SERial OFF 69 SYSTem DATE 69 SYSTem DATE lt year gt lt month gt lt day gt 69 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 101 FAX 781 665 0780 TestEquipmentDepot com
25. LOGS 39 Lo Ohms Range 85 LO_OHMS Range 92 M Maintenance 97 Measurement Commands 45 MEASure prb 65 Medium Ohms Range 86 Menu 1523 11 Menu 1524 14 Millivolt Range 88 92 N NEXT 36 P Probe 24 Probe Lock 25 Probe parameters 44 Probe Setup Commands 45 Probe wiring diagrams 27 PRTs 24 Q query commands 75 R READ prb 65 RECALL 35 reference junction compensation 31 Reference Junction Ohms Range 89 RESET 36 RS 232 43 S Safety Information 1 SAVE 34 SENSe DATA RJ 66 SENSe lt prb gt DATA MV 65 SENSe lt prb gt DATA OHMS 65 SENSe RJ STATe 66 SENSe RJ TEMPerature 66 SENSe RJ TEMP lt val gt 66 serial commands 90 Serial Communication 80 Serial Operation 44 SETUP 30 SHIFT 36 Specifications 17 Standard Equipment 1 STATS 29 Status and Event Commands 45 STATus MEASure CONDition 67 STATus MEASure ENABle 67 SYSTem ERRor 70 SYSTem PASSword CDISable 70 SYSTem PASSword CENable lt pass gt 70 SYSTem PASSword CENable STATe 70 SYSTem PASSword NEW lt pass gt 70 SYSTem SNUMber 71 SYSTem TIME 71 SYSTem TIME lt hour gt lt minute gt lt second gt 71 SYSTem VERSion 71 T Tag 38 Thermistors 24 Thermocouple 24 TREND 36 Troubleshooting 95 U UNIT TEMPerature 72 UNIT TEMPerature unit 72 Unit Under Test 77 User Interface 29 V Visual Inspection 82 Test Equipment 99 Washington Street Depot Melrose MA 02176 Phone 781 665 1400 1 800 517 8431 Toll
26. STATe Return present state of password protection The response is 0 if password protection is disabled or 1 if it is enabled Example SYST PASS CEN STAT Response 0 SYSTem PASSword NEW lt pass gt Set new password The lt pass gt parameter is the new password It can be up to 10 characters in length and can include any upper case letters numeric digits and the underscore The default password at time of shipping is 1234 Digital Communication Interface Serial Commands Alphabetic Listing Example SYST PASS NEW 4321 This command has no response NOTE This command is protected which requires a password to set it Error 203 Command protected is queued if the old password has not been entered with SYST PASS CEN SYSTem SNUMber Return the device serial number If the serial number has not been set at the factory a 0 is returned Example SYST SNUM Response 509002 SYSTem TIME Return the current system time in 24 hour format The response is returned in the 24 hour format lt hour gt lt minute gt lt second gt This command is only available in the model 1524 and results in a command error if used with the model1523 Example SYST TIME Response 18 43 23 SYSTem TIME lt hour gt lt minute gt lt second gt Set the current system time The lt hour gt minute and lt second gt parameters must all be supplied The hour parameter is a one or two digit number 0 to 23 The
27. This procedure outlines a manual process that closely follows the way the Reference Thermometer was calibrated at the factory The user should adjust their calibration process to meet the needs of their facility and process The following flow charts sum marizes the process 78 Calibration of Your Reference Thermometer Readout Prepare Test Equipment Visual Inspection As Found Data Parameters Need As Found data Ko No Y Set Reference Points and Reset 4 j Adj Values Take Alignment Data As Found Test Data Calculate New Adj Values As Left Accuracy Data Figure 17 Flow chart for manual calibration Manual Calibration 79 1523 1524 Reference Thermometer Preparation for Reference Thermometer Calibration 80 7 7 2 7 7 2 1 7 7 2 2 7 7 3 7 7 3 1 7 7 3 2 7 7 4 7 8 7 8 1 As Found Data Procedure As Found data is used to determine if the readings and measurements taken since the last calibration are within specification The data is also used to determine the amount of drift how much the accuracies have changed over time that the instrument has undergone As Found Calibration Parameters Recording the as found calibration parameters allows the user to compare the current parameters to the parameters set during the last calibration As Found Data The data taken at this step allow
28. and Down arrow keys to select the file to delete The instrument default is used to delete all files The user can exit this menu and return to the main display by pressing the RECALL or HOME SHIFT ENTER key s Send Logs This feature allows the user to send logged data files out the serial port to a computer In order to use this feature the user must turn the serial port on and set the baud rate to the appropriate setting Refer to Section 5 2 AUTO LOG on page 39 and Section 6 Digital Communication Interface on page 43for more information This feature is available on model 1524 only 35 1523 1524 Reference Thermometer NEXT 36 4 9 5 4 10 4 11 4 12 4 13 4 14 Delete Logs This feature allows the user to delete logged data files The user may delete a specified file identified by the Tag ID or all files Use the up and down arrow keys to select the file to delete The instrument default is to delete all files The user can exit this menu and return to the main display by pressing the RECALL or HOME SHIFT ENTER key s This feature is available on model 1524 only NEXT The NEXT key is used to move from field to field in the menu SHIFT This feature allows the user to use second function keys identified in yellow on the keypad Following a press of the shift key SHIFT will be displayed on the lower right side of the display When in the TREND mode with a graph displayed the SHIFT
29. be no response and error 221 Settings conflict will be queued Example SENS DATA RJ Response 23 568 SENSe RJ STATe Return the state of the reference junction for a given probe The response is OFF no compensation ON automatic internal compensation or EXT external compensation If EXT is selected the SENS RJ TEMP command must be used to set the external compensation temperature Example SENS RJ STAT Response EXT SENSe RJ TEMPerature Return the external reference junction temperature for a given probe The response is expressed in degrees Celsius Example SENS RJ TEMP Response 22 731 SENSe RJ TEMP lt val gt Set the external reference junction temperature for a given probe The parameter lt val gt is expressed in degrees Celsius and may range from 10C to 60C Example SENS RJ TEMP 23 123 STATus MEASure EVENt Read and clear the Measurement Event Register indicating whether or not a new mea surement is available to be read Digital Communication Interface Serial Commands Alphabetic Listing The bit assignments are as follows bit 0 probe 1 new measurement bits 1 to 7 not used bit 8 probe 2 new measurement bits 9 to 15 not used Example STAT MEAS Response 257 STATus MEASure CONDition Return the Measurement Condition Register indicating whether or not measuring is active The bit assignments are the same as for STATus MEASure Example STAT MEAS COND Response
30. command MEAS Record the data Connect a 100 Ohm resistor to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Connect a 200 Ohm resistor to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Connect a 400 Ohm resistor to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Steps 38 through 41 apply to the 1524 only Proceed to step 42 if using a 1523 1524 ONLY Set Channel T2 of the UUT in the LO OHMS cal range by sending the following commands through the serial port CAL2 DEV RANG SEL LO OHMS 85 1523 1524 Reference Thermometer Manual Calibration Process 86 30 40 41 42 Turn off T1 by sending the following command CALI DEV RANGE SEL NORMAL Disconnect resistor Connect a 100 Ohm resistor to the calibration cable connected to the UUT on Channel T2 Query the reading every 2 seconds for 40 readings using the following command MEAS 2 Record the data Turn off Channel T2 by sending the serial command CAL2 DEV RANG SEL NORMAL Connect the calibration cable to Channel T1 7 9 1 3 3 Medium Ohms Range 43 44 45 46 47 48 49 50 51 52 Set the UUT in the MED OHMS cal range by se
31. each range by sending the following commands CAL DEV RANG SEL L75 OHMS CAL DEV RANGE ADJI 0 0 CAL DEV RANGE ADJ2 0 0 CAL DEV RANG SEL LO OHMS CAL DEV RANGE ADJI 0 0 CAL DEV RANGE ADJ2 0 0 CAL DEV RANG SEL MED OHMS CAL DEV RANGE ADJI 0 0 CAL DEV RANGE ADJ2 0 0 CAL DEV RANG SEL HI OHMS CAL DEV RANGE ADJI 0 0 CAL DEV RANGE ADJ2 0 0 CAL DEV RANG SEL MV CAL DEV RANGE ADJI 0 0 CAL DEV RANGE ADJ2 0 0 5 Take alignment data by following or repeating the steps in the As Found Data section Do not take alignment data for Channel T2 6 Calculate the average and the standard deviation of the alignment data 7 Calculate the adjustment values for each range and record the value using the formula below ADJx average nominal X represents which ADJ value for that range 1 or 2 Average is the average of the 40 measured samples at one reference point Nominal is the exact known value of the reference resistor or voltage source The following are the individual formulas for each ADJ value 79 2 1 Lab OHMS Range ADJI ave0 Q 0 Q nominal 91 1523 1524 Reference Thermometer Manual Calibration Process 92 79 2 2 79 2 3 79 2 4 79 2 5 ADJ2 ave75 Q 75 Q nominal LO OHMS Range ADJI ave75 Q 75 Q nominal ADJ2 ave400 Q 400 Q nominal MED OHMS Range ADJI ave400Q 400Q nominal ave40 0000Q 40 0000 nominal 0 005 ave200Q 200Q nominal 2 ADJ2 ave40 000Q 40
32. 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 Hart Warranty support is available if product is purchased through a Hart authorized sales outlet or Buyer has paid the applicable international price Hart reserves the right to invoice Buyer for importation costs of repairs replacement parts when product purchased in one country is submit ted for repair in another country Hart s warranty obligation is limited at Hart s option to refund of the purchase price free of charge repair or replacement of a defective product which is returned to a Hart authorized ser vice center within the warranty period To obtain warranty service contact your nearest Hart authorized service center or send the prod uct with a description of the difficulty postage and insurance prepaid FOB Destination to the nearest Hart authorized service center Hart assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destina tion If Hart determines that the failure was caused by misuse alteration accident or abnormal condition or operation or handling Hart will provide an estimate or 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 transpo
33. log the default name DEMAND is returned Error 221 Settings conflict Example LOG LAB18 NAME Response DATA 18 is queued if the data logging storage is corrupt LOGging LABel lt n gt NAME lt label gt Set the user defined tag name of the specified auto logging tag number or the demand log user defined name If the LABel suffix lt n gt is supplied it specifies the auto logging tag number of the new name to 25 If no suffix is supplied the new name is saved for the demand log The lt name gt parameter can be up to 8 characters in length and can include any upper case letters numeric digits and the underscore _ Digital Communication Interface Serial Commands Alphabetic Listing 399 Error 221 Settings conflict Example LOG LAB18 NAME BATH is queued if the data logging storage is corrupt MEASure lt prb gt Return the last measurement for the specified probe with units according to the UNIT TEMP setting if it is a temperature The prb parameter specifies the probe 1 or 2 Defaults to 1 if omitted If there is no valid measurement available the response is 0 0 0L Example MEAS 1 Response 0 127 READ prb Return the last measurement for the specified probe with units according to the UNIT TEMP setting if it is a temperature The prb parameter specifies the probe or 2 Defaults to 1 if omitted If there is no valid measurement available the response
34. lt prb gt specifies the probe 1 or 2 Defaults to 1 if omitted Each item in the response list is enclosed in double quotes and separated from other items by a comma Each item indicates the keyword of a characterization parameter for the current conversion type If there are no parameters available for the current conversion type an empty string is returned The list of parameters depends on the selected conversion type as listed in Table 21 on page 73 Example CALC2 CONV PAR CAT Response RO A B Ch MINOP MAXOP CALCulate lt prb gt CONVert PARameter VALue lt param gt Return the value of the specified conversion parameter for the specified probe The CALCulate suffix lt prb gt specifies the probe 1 or 2 Defaults to 1 if omitted The lt param gt parameter is the keyword of the parameter as listed in XXX Table4 1523 1524 Reference Thermometer Serial Commands Alphabetic Listing 52 Example CALC2 CONV PAR VAL RTPW Response 100 0145 CALCulate lt prb gt CONVert PA Rameter VALue lt param gt lt num gt Set the value of the specified conversion parameter for the specified probe The CALCulate suffix lt prb gt specifies the probe 1 or 2 Defaults to 1 if omitted The lt param gt parameter is the keyword of the parameter as listed in Table 21 on page 73 The lt num gt parameter is the new value with type and range per the list in Table 21 on page 73 To activate the
35. same selection MIN MAX AVE or STDDEV The user is unable to select different statistics options for each channel Press the RESET or HOME keys to exit the STATS mode SC E The C F key allows the user to quickly change between units In the main numeric screen this key will toggle the units in both the main and auxiliary display values In graphing mode the unit change will cause the graph to refresh Select units prior to starting a graphing session Units are displayed and recorded with temperature read ings auxiliary readings and logged data HOLD This mode is identified by HOLD which appears on the bottom center of the display 29 1523 1524 Reference Thermometer SETUP 30 4 5 4 5 1 4 5 1 1 4 5 1 2 4 5 1 3 4 5 1 4 4 5 1 4 1 In this mode the data stored and displayed last remains on screen this includes statis tics information Press the HOLD or HOME keys to exit the hold mode SETUP The SETUP key accesses the SETUP Menu and allows access to Channel T1 Setup submenus Channel T2 Setup submenus 1524 only Instrument setup and the Date Time 1524 only submenus The submenus allow the user to configure the instrument and its system parameters Channel T1 Select the Channel T1 submenu by pressing the ENTER key This menu allows the user access to view the probe data from the INFO CON connector and to setup the auxiliary display for channel T1 Probe This is a read only field i
36. should be connected to a Lemo Connector that does not contain a probe memory IC The 4 wire resistance connection uses pins 1 and 2 for one side of the reference resis tor and pins 3 and 4 for the other side For the voltage calibration connect only pins 2 and 3 to the voltage source Pin 3 is the positive terminal and pin 2 is the negative terminal The thermocouple reference junction resistance test uses pins 1 and 4 to connect to the 10K reference resistor This is a two wire connection for this test DO NOT connect any other pins Scan Mode The UUT must have the Fast Scan Mode and the Auto Off mode turned off Refer to the Instrument Settings menu AC Adapter The UUT can be calibrated with or without the AC adapter If using batteries ensure they are new before starting the calibration procedure Manual Calibration Process NOTE 1 The 1523 24 is tested and calibrated using the tests outlined below in the order indicated Details on performing each of the tests can be found in the subsequent section of this document 2 For test specifications durations soak times and other detailed information refer to the specification tables below Table 28 1523 24 Accuracy Test Settings and Specifications E meme Lag sammes ES ZC Range Nominal Q Soak Sec 0 Spec 0 Lomp ae e LO OHMS E Ee MED OHMS Ooo p p 81 1523 1524 Reference Thermometer Manual Calibration Process Re
37. the tag number to which the LOG AUT POIN LOG AUT STAT and LOG AUT VAL commands presently apply The lt num gt parameter specifies tag number to 25 399 Error 221 Settings conflict Example LOG AUT LAB 4 is queued if the data logging storage is corrupt LOGging AUTomatic POINt Return the number of Auto Log entries already stored for a preselected tag number 59 1523 1524 Reference Thermometer Serial Commands Alphabetic Listing 60 The tag number addressed must have been previously selected with the LOG AUT LAB command 399 Error 221 Settings conflict is queued if the data logging storage is corrupt or if no tag is selected with LOG AUT LAB Example LOG AUT POIN Response 28 LOGging AUTomatic PRINt num Send all Auto Log entries for a tag number The num parameter specifies tag number 1 to 25 Each data line includes the default or user defined tag name the channel number the primary value and units and the time and date When both channels are active records for each channel alternate When only one channel is active no records are sent for the inactive channel 399 Error 221 Settings conflict is queued if the data logging storage is corrupt Example LOG AUT PRIN 5 Response DATA 25 1 22 676 C 15 19 42 0 2000 05 24 DATA 25 2 9 960 KO 15 19 44 0 2000 05 24 DATA 25 1 23 220 C 15 19 46 0 2000 05 24 DATA 25 2 23 245 C 15 19 48 0 2000 05 24 DATA 25 1 22 765 C 15 1
38. tion and CAN CSA 22 2 No 61010 1 04 Use this instrument only as specified in this manual otherwise the protection provided by the instrument may be impaired A Warning identifies conditions and actions that pose hazard s to the user a Caution identifies conditions and actions that may damage the instrument being used International symbols used on the reference thermometer and in this manual are ex plained in Table 1 on page 3 A Warning To avoid possible electric shock or personal injury e Do not use the reference thermometer in environments other than those listed in the user s guide 1523 1524 Reference Thermometer Safety Information Do not use the reference thermometer for any application other than that which is specified The instrument was designed for temperature measurement and calibration Any other use of the instrument may cause unknown hazards to the User If the reference thermometer is used in a manner not in accordance with the equipment design the operation and the protection provided by the instrument may be impaired In addition safety hazards may arise Do not apply more than the rated voltage as marked on the reference thermometer between the inputs or between any input and earth ground 30 V 24 mA max all terminals Follow all equipment safety procedures Calibration equipment should only be used by trained personnel The reference thermometer is intended for indoor use only Before you us
39. to delete or send log data out the serial port Refer to the Digital Communications Interface section for information on changing Tag IDs or using the computer interface Auto Log Operation A log session is configured and started or stopped by pressing the LOG key SHIFT SAVE The following screen is displayed Free nn rrrrr Interval tt sec or Auto 39 1523 1524 Reference Thermometer AUTO LOG 40 Tag vv xxxxxxxx yy mm dd hh mm ss or No Data Session START or STOP Where Free indicates the percentage of unused memory nn and the total number of records that can be stored before it becomes full rrrrr and automatically stops Interval is the logging interval tt expressed in seconds The choices are Auto 1 2 5 10 30 and 60 10 seconds is the default for a new log Note When the unit is Auto interval sampling the Fast Scan Mode Specifications apply Refer to Table 15 on page 21 Fast Scan Mode Specifications and Table 16 on page 21 Sample Interval per Channel in Seconds Tag is an alpha numeric identifier vv from 1 to 25 followed by a Tag ID xxxxxxx The default Tag ID names are DATA 01 to DATA 25 or the user specified eight character tag name If the tag has stored data an asterisk will follow the tag name and the following line will contain the time stamp Date followed by Time If the tag contains no data No Data will be shown on the line following the Tag name Note the
40. user specified Tag can only be updated through serial communications through the serial port Refer to Section 6 Digital Communication Interface on page 43 Session START will be displayed when logging is not in use STOP will be displayed when logging is in use If logging is not in use when Auto Log is selected the user may change the interval and Start the logging session If a logging session is in use the user may choose to stop the session no other actions may be performed by the user in this menu window The user may exit this screen without performing an action by pressing the LOG key SHIFT SAVE or the HOME key SHIFT ENTER Once an Auto Log is started the present primary value and the units for each channel in use are stored at the selected interval The lower line on the main screen shows the log status as follows LOGn hh mm ss Where n is the number or data points currently logged into the selected Tag ID and hh mm ss is the elapsed time since the log session started The update is in the selected interval of the logging session For example if the ses sion has a 10 second log interval the update on the main screen will also be in 10 second intervals When the log storage is full the lower line on the main screen will change to LOG Full and will remain until the user turns off the logging session by pressing the LOG key SHIFT SAVE and pressing ENTER to stop the session 5 2 2 5 2 3 5 2 4 LOGS
41. year gt lt month gt lt day 50 CALCulate lt prb gt CONVert IDENtity 53 CALCulate lt prb gt CONVert IDENtity num 53 CALCulate lt prb gt CONVert NAM lt conv 51 CALCulate lt prb gt CONVert NAMe 50 CALCulate lt prb gt CONVert PARameter CATalo g 51 CALCulate lt prb gt CON Vert PARameter VALue lt param gt 51 CALCulate lt prb gt CON Vert PARameter VALue lt param gt lt num gt 52 CALCulate lt prb gt CONVert SNUMber 52 CALCulate lt prb gt CONVert SNUMber lt seri 52 CALCulate lt prb gt CON Vert TEST lt res gt lt mv gt rjt 52 CALCulate lt prb gt CONVert UPDat 53 CALCulate lt prb gt CONVert VERSion 53 CALCulate lt prb gt CON Vert VERSion num 53 CALibrate lt chn gt DEVice LOCK 54 CALibrate lt chn gt DEVice LOCK lt bool 54 CALibrate lt chn gt DEVice LOCK DATA 55 CALibrate lt chn gt DEVice RANGe CLEar 56 CALibrate lt chn gt DEVice RANGe SELection 57 CALibrate lt chn gt DEVice RANGe SELection lt val gt 58 CALibrate DEVice AUTO 54 CALibrate DEVice AUTO val 54 CALibrate DEVice RANGe ADJust lt num gt 55 CALibrate DEVice RANGe ADJust lt num gt lt val 55 CALibrate DEVice RANGe NUMber 56 CALibrate DEVice RANGe NUMber lt val gt 56 CALibrate DEVice RANGe REFerence lt num gt 57 CALibrate DEVice RANGe REFerence lt num gt lt val 57 Calibration 77 Calibration and Setup Commands 45 Calibration Equipment 77 Calibration Parameters 82 Calibration Process 81 Calibration Range Identifiers 74
42. 2 4 5 2 3 GEO MEN WO er D EE 32 45 25 TEMP ROS NN m 33 e Sne Ta EE 33 5 34 IAS SCAM NOUS eae EE 33 4 5 3 2 Contrast 299 4 5 3 3 Auto Off 2s 33 453 JB3ackligkib Time com e a EE EES 33 ER D EE 33 4 5 3 6 Baud Hate eene neris EANNA EEEE enne s trennen nnne 34 4 5 3 7 Date Time eene nnne nnn nen nrn ener ss eh nns s nnns ener n enn neis 34 WES cM LEE 34 4 7 ARROWS UP DOWD citt tette EENS Be dev cal 34 RRC MN EE 35 Z9 Ee EE O9 49 1 EE ME 35 RENE e WEE 35 4939 Delete Saved etit ceti ded Asia qe Lancet ad o E A dg dede 35 AOA SONG e EE 35 as AE o 36 TIS aM THE 36 ESL E 36 EE 36 ADS OD RENTRER 36 Sek MPR EEINID E TERR 36 As BE 37 AVDA EE 37 E Ke E ET 37 EE 38 4 154 EE 38 5 LOGS eE 39 Sal DEMAND BEOG essct anis pesos E Merit 39 E LEE 39 5 2 1 Auto bog Operations eo oe eter mei peti a duae va b CE epar nutu 39 5 2 2 Sending Auto Log Data to a Computer 41 5 2 3 Data Upload FORMAL sete f etr eter EE pitt batte doleat 41 5 2 4 Deleting AUO E Og Data c eo mtb E RAV FOR FEX ND SEU NER RU 41 6 Digital Communication Interface 43 GA crt 43 GAA SOT US 44 61 2 Serial Operation EE 44 6 1 3 Data Upload Format e eukit ueE eh tragen ee ede tdi ee EEN 44 6 2 Command Syntax esde i A eee nee 44 6 3 Serial Commands by Function or Group 45 6 4 Serial Commands Alphabetic Listing sse 48 7 Calibration of Your
43. 257 STATus MEASure ENABle Return the Measurement Event Enable Register The bit assignments are the same as for STATus MEASure Example STAT MEAS ENAB Response 0 STATus MEASure ENABle num Set the Measurement Event Enable Register The num parameter specifies the event enable bits which are to be set 0 to 65535 decimal The bit assignments are the same as for STATus MEASure Example STAT MEAS ENAB 257 STATus QUEStionable EVENt Read and clear the Questionable Event Register indicating any measurement warnings The bit assignments are as follows bit 0 probe 1 not inserted bit 1 probe 1 measurement under range bit2 probe 1 measurement over range bit 3 probe 1 EEPROM fault bad checksum or version number is not supported 67 1523 1524 Reference Thermometer Serial Commands Alphabetic Listing 68 bit 4 probe 1 locked bits 5 to 7 not used bit 8 probe 2 not inserted bit 9 probe 2 measurement under range bit 10 probe 2 measurement over range bit 11 probe 2 EEPROM fault bad checksum or version number is not supported bit 12 probe 2 locked bits 13 to 14 not used bit 15 Data logging EEPROM initialization failure Example STAT QUES Response 256 STATus QUEStionable CONDition Return the Questionable Condition Register indicating any measurement warning conditions The bit assignments are the same as for the STATus QUEStionable Example STAT QUES COND Response 256
44. 523 1524 Reference Thermometer Serial Commands Alphabetic Listing 50 Example CALC AVER CLE CALCulate lt prb gt AVERage lt n gt DATA Returns the value of a statistical calculation for a given probe The CALCulate suffix lt prb gt specifies the probe 1 or 2 Default to 1 if omitted The AVERage suffix lt n gt specifies the calculation type number as listed in Table 19 on page 72 Defaults to 1 if omitted Example CALC2 AVER1 DATA Response 0 017 CALCulate AVERage lt n gt TYPE Returns the keyword for the specified field type number The AVERage suffix lt n gt specifies the calculation type number Default to 1 if omitted Example CLAC AVER4 TYPE Response STD CALCulate lt prb gt CONVert DATE CALibrate Returns the last calibration date for the specified probe The CALCulate suffix lt prb gt specifies the probe 1 or 2 Defaults to 1 if omitted The response is returned in the format lt year gt lt month gt lt day gt Example CALC1 CONV DATE CAL Response 2000 9 22 CALCulate lt prb gt CONVert DATE CALibrate lt year gt lt month gt lt day gt Set the last calibration date for the specified probe The CALCulate suffix lt prb gt specifies the probe 1 or 2 Defaults to 1 if omitted The lt year gt parameter is a four digit number 2000 to 2099 The month parameter is a one or two digit number 1 to 12 The day parameter is a one or two digit number to 31 Example CA
45. 676 C 15 19 42 2000 05 24 DTEST 2 9 960 KO 15 19 44 2000 05 24 DTEST 1 23 220 C 15 19 46 2000 05 24 DTEST 2 23 245 C 15 19 48 2000 05 24 DTEST 1 22 765 C 15 19 52 2000 05 24 DTEST 2 9 962 KO 15 19 54 2000 05 24 DTEST 1 23 087 C 15 19 56 2000 05 24 DTEST 2 23 260 C 15 19 58 2000 05 24 LOGging DEMand VALue lt num gt Return the specified demand log entry The lt num gt parameter specifies the demand log entry to return to 25 Specifying 0 returns the first oldest log entry Specifying a value greater than the number of logged points returns the last log entry The example shows the 1524 return data A single channel and no time and date are shown on the 1523 return data Each data line includes the default or user defined demand log description the channel number the primary value and units and on the 1524 the time and date When both channels are active records for each channel alternate When only one channel is ac tive no records are sent for the inactive channel 399 Error 221 Settings conflict Example LOG DEM VAL 10 is queued if the data logging storage is corrupt Response DTEST 1 125 820 C 15 19 46 2000 05 24 DTEST 2 23 220 C 15 19 46 2000 05 24 LOGging DEMand STATistic lt n gt lt num gt Return the specified demand log statistical or auxiliary value for the specified demand log entry 63 1523 1524 Reference Thermometer Serial Commands Alphabetic Listing 64 The STATistic suffix
46. 9 50 0 2000 05 24 DATA 25 2 9 962 K0 15 19 52 0 2000 05 24 DATA 25 1 23 087 C 15 19 54 0 2000 05 24 DATA 25 2 23 260 C 15 19 56 0 2000 05 24 LOGging AUTomatic STATus Return the Auto Log status for a preselected tag number Returns a 0 if an Auto Log session is not running or a if an Auto Log session is running The tag number addressed must have been previously selected with the LOG AUT LAB command 399 Error 221 Settings conflict is queued if the data logging storage is corrupt or if no tag is selected with LOG AUT LAB Digital Communication Interface Serial Commands Alphabetic Listing Example LOG AUT STAT Response 0 LOGging AUTomatic STATus bool Set the Auto Log status for a preselected tag number The bool parameter turns auto logging on if set to 1 or off if set to 0 If another tag is presently being logged it is automatically stopped The tag number addressed must have been previously selected with the LOG AUT LAB command 399 Error 221 Settings conflict is queued if the data logging storage is corrupt if no tag is selected with LOG AUT LAB or if the LOG or any recall menu display is active Example LOG AUT STAT 0 LOGging AUTomatic TIMe Return the Auto Log interval Returns AUTO 1 2 5 10 30 or 60 Numeric intervals are expressed in seconds Error 221 Settings conflict Example LOG AUT TIM is queued if the data logging storage is corrupt Response
47. C power input on the right side of the 1523 24 23 1523 1524 Reference Thermometer Probe 24 3 3 Figure 14 12V DC Power source Polarity Warning 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 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 Probe The probe is used to sense temperature The 1523 is a single channel instrument and can measure using one probe The 1524 is a dual channel instrument and can measure using two probes simultaneously The probes attach to the 1523 24 using a Hart INFO CON probe connector that plugs into the top of the instrument The probe connector must be properly programmed with the correct characteristics of the probe for mea surements to be accurate The 1523 24 can be used with various types of PRTs Thermistors and Thermocouple probes e ITS 90 calibrated 25 Q or 100 Q PRT e Callender Van Dusen calibrated 100 Q PRT e Steinhart Hart thermistor R T polynomial nominal R 25 C 2KQ to 100KQ e Types B C E J K L M N R S T U Thermocouples The 1523 can measure PRT probes having 4 wires thermistors or thermocouples The 1524 can measure PRT probes having 4 wires and thermistors on either channel 1 or channel 2 and can measure therm
48. DEV RANG ADJ2 065 NOTE This command is protected which requires a password to set it Error 203 Command protected is queued if the password has not been entered with SYST PASS CEN CALibratecchn DEVice RANGe CLEar Reset all calibration points for the preselected range of the specified channel to defaults The CALibrate suffix lt chn gt specifies the channel 1 or 2 Defaults to 1 if omitted The range must have been preselected with the command CAL lt chn gt DEV RANG SEL All calibration points are set to a gain of one and an offset of zero Example CAL DEV RANG CLE NOTE This command is protected which requires a password to Set it Error 203 Command protected is queued if the password has not been entered with SYST PASS CEN CALibrate DE Vice RANGe NUMber Return the number of calibration points for the preselected range The range must have been preselected with the command CAL lt chn gt DEV RANG SEL The response is the number of calibration points in use Example CAL DEV RANG NUM Response 2 CALibrate DE Vice RANGe NUMber lt val gt Set the number of calibration points to use for the preselected range The range must have been preselected with the command CAL lt chn gt DEV RANG SEL The parameter lt val gt must be 2 to 4 Example CAL DEV RANG NUM 2 NOTE This command is protected which requires a password to Set it Digital Communication Interface Serial Commands Alphabet
49. Disconnect resistor Query the reading every 2 seconds for 40 readings using the following command MEAS 2 Record the data Turn off Channel T2 by sending the serial command CAL2 DEV RANG SEL NORMAL Connect the calibration cable to Channel T1 7 9 1 3 5 Millivolt Range 71 72 73 74 35 76 77 78 79 80 Set the UUT in the mV cal range by sending the following commands through the serial port CALI DEV RANG SEL MV Connect the voltage source to the calibration cable as described in the Preparation amp Settings for Reference readout Calibration section Set the output of the voltage source to 10 mV Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Set the output of the voltage source to 0 mV Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Set the output of the voltage source to 25 mV Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Set the output of the voltage source to 75 mV Query the reading every 2 seconds for 40 readings using the following command Calibration of Your Reference Thermometer Readout Manual Calibration Process MEAS Record the data 7 9 1 3 6 Reference Junction Ohms Range 7 9 2 81 Set the UUT in the RJ OHMS cal range by sending the following commands through the serial port CALI DEV RA
50. EN CALibrate lt chn gt DEVice RANGe SELection Return the range presently being calibrated for the specified channel The CALibrate suffix lt chn gt specifies the channel 1 or 2 Defaults to 1 if omitted The response is one of the keywords listed in Table 22 on page 74 57 1523 1524 Reference Thermometer Serial Commands Alphabetic Listing 58 Example CAL DEV RANG SEL Response LO OHMS CALibrate lt chn gt DEVice RANGe SELection lt val gt Set the range presently being calibrated for the specified channel The CALibrate suffix lt chn gt specifies the channel 1 or 2 Defaults to 1 if omitted The parameter lt val gt is one of the keywords in Table 22 on page 74 The value NOR MAL exits calibration mode reconnects the inserted probe if any and refreshes the display This command sets the range to which all of the following commands apply CAL DEV RANG CLEA CAL DEV RANG NUM CAL DEV RANG REF CAL DEV RANG ADJ Example CAL DEV RANG SEL LO_OHMS DISPlay lt chn gt RESolution Return the maximum display resolution setting for the channel The DISPlay suffix lt chn gt specifies the channel 1 or 2 Defaults to 1 if omitted Example DISP1 RES Response 2 DISPlay lt chn gt RESolution lt num gt Set the maximum display resolution for the channel The DISPlay suffix lt chn gt specifies the channel or 2 Defaults to 1 if omitted Example DISP1 RES 3 FETCh lt prb gt Return the last
51. ER key is used to select a menu option accept a setting change configura tion change or enable a logging session RECALL The 1523 24 has a Demand Log that stores up to 25 readings that may be displayed on screen or sent out the serial port to a computer The RECALL menu allows the user to review delete or send demand log data out the serial port The 1524 has an Auto Log with the added capability of storing up to 15 000 readings with a time and date stamp on each reading The readings can be sent to a computer or deleted using this menu Review Saved This menu displays one of up to 25 saved readings on main screen for review The display shows channel auxiliary display value main display value tag id and time stamp 1f model 1524 The user can scroll through each log by pressing the up and down arrow keys The user can exit this review mode by pressing the RECALL or the HOME SHIFT ENTER keys Send Saved This feature sends the entire demand log out the serial port to a computer When all of the data is sent the display will show 100 to the right of the Send Saved command selection to indicate that the send function is complete This does not affect the stored data Refer to the Demand Log and Digital Communications Interface section of this manual for more information Delete Saved This feature allows the user to delete data files saved in the Demand Log The user may delete a specified file or all files Use the Up
52. EV LOCK Response 1 CALibrate lt chn gt DEVice LOCK lt bool gt Exclusively locks the channel to the inserted probe or unlocks either The CALibrate suffix lt chn gt specifies the channel 1 or 2 Defaults to 1 if omitted The parameter lt bool gt is to exclusively lock the channel to the inserted probe No lock takes place and error 200 Execution error is queued if no probe is inserted if the channel is already locked or if the probe is already locked Digital Communication Interface Serial Commands Alphabetic Listing The parameter bool is 0 to unlock the channel the inserted probe if any or both If no probe is inserted only the channel is unlocked If either 1s already unlocked no action is taken for the unlocked item and no error is queued Example CAL2 DEV LOCK 1 NOTE This command is protected which requires a password to set it Error 203 Command protected is queued if the password has not been entered with SYST PASS CEN CALibrate lt chn gt DEVice LOCK DATA Returns the lock details of the channel and the inserted probe if any The CALibrate suffix lt chn gt specifies the channel 1 or 2 Defaults to 1 if omitted The first item returned is the probe serial number to which the channel is exclusively locked If the channel is not locked is returned The second item returned is the unit serial number to which the probe is exclusively locked If the probe is not locked
53. LC1 CONV DATE CAL 2000 8 29 NOTE This command is protected which requires a password to set it Error 2003 Command protected is queued if the password has not been entered with SYST PASS CEN CALCulate lt prb gt CONVert NAMe Return the keyword of the selected conversion type for the specified probe The CALCulate suffix lt prb gt specifies the probe 1 or 2 Defaults to 1 if omitted Digital Communication Interface Serial Commands Alphabetic Listing Available conversion types are listed in XXX Table3 Example CALCI CONV NAM Response CVD CALCulate lt prb gt CONVert NAM lt conv gt Set the conversion type for the specified probe The CALCulate suffix prb specifies the probe 1 or 2 Defaults to 1 if omitted The lt conv gt parameter is the keyword for the conversion type as listed in Table 20 on page 72 To activate the new probe conversion type and update the display the command CALC CONV UPD must be sent the probe must be removed and inserted or the unit power must be cycled on and off Example CALC2 CONV NAM CVD NOTE This command is protected which requires a password to set it Error 2003 Command protected is queued if the password has not been entered with SYST PASS CEN CALCulate lt prb gt CONVert PA Rameter CATalog Return the keywords of the probe characterization parameters associated with the cur rent conversion type for the specified probe The CALCulate suffix
54. ND LOG This feature is used to log and recall up to 25 points A point is logged using the SAVE key Logged data is saved in memory and is retained after the unit is turned off The data can be uploaded to a computer using the Send Saved command in the RECALL Menu or by remote commands issued through the serial port Refer to the Digital Communications Interface section of this manual for more information on the serial commands Each logged data point contains the following data Current reading with units of measure Current statistics including maximum minimum average and standard deviation User selected secondary readings including units Time stamp including year month day hour minute and second model 1524 only AUTO LOG This feature is used to log and store up to 15 000 points A point is logged on a prede termined frequency based on the LOG Menu settings Logged data is saved in memory and is retained after the unit is turned off The data can be uploaded to a computer using the Send Logs command in the RECALL Menu or by remote commands issued through the serial port Refer to the Digital Communications Interface section for more information on the serial commands The LOG key allows the user to access the LOG setup menu The Log menu allows the user to setup the data collection interval start a log with a specified Tag ID see the available memory and START or STOP a logging session The RECALL menu allows the user
55. NG SEL RJ OHMS 82 Connect a 10K Ohm resistor to the calibration cable connected to the UUT NOTE Only connect pins land 4 to the 10K Reference resistor This is a 2 wire test 83 Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data 84 For all As Found data calculate the average and standard deviation for each set of data Compare the standard deviation to the specification If the UUT does not meet the standard deviation specification re take data at the suspect range s If the data is still exceeds the specification contact an Authorized Service Center for assistance Verify the average of each data set is less than the Accuracy limit listed in the Accuracy Test Settings and Specification tables 1523 24 Alignment Prior to performing the alignment the following UUT configuration and control set tings must be set to the values indicated in the 1523 24 Alignment Settings table Caution Failure to do this will cause large errors in the measurement readings and invalidate the calibration Table 31 1523 24 Alignment Settings Soning Lines vawe neris Dares ww IIe 89 1523 1524 Reference Thermometer Manual Calibration Process 90 Adjt amp adj2 L75 OHMS 00 Is OHMS Ref Point Adjustment Values Adi amp Ad2 LO_OHMS 00 LO OHMS Ref Point Adjustment Values Adi amp Ad2 MED_OHMS 00 MED OHMS Ref Point Adjustment Values Adji amp Adj2 HLOHMS
56. ONS 3 IAA EMG DIP6 E 3 1 4 2 IMMUNITY Testing ceret Dente a ende ph ea De ada 3 1 4 8 1 For Use As a Portable Hand held Instrument 3 1 4 2 2 For Use As a Benchtop Instrument AC Acdapter 4 1 5 Using Clamp On Ferrites sssssssssss eme 4 1 6 EMISSIONS e iier tee a et teri aa Pe e 4 1 7 Low Voltage Directive Safety 4 1 8 Authorized Service Centers 4 2 Quick Statt m 7 mco Em 7 2 25 SDOGITICallOllS eren teaser euo UR en e ege See 17 3 General Operation acie eseu 23 Bid EE 23 3 2 DE POWOISOUIOCO iei epe eee SR en EE e 23 33 PODE L OA 24 3 3 1 Internal or External reference junction compensation may be used with this IFISEFMETIORENL eier ges tbt pter ence du etta ta t DRE PA Rid bead Tae deet 25 3 8 2 TC Internal Reference Juncton ee 25 3 8 8 TC External Reference Juncton a a aa a 25 3 4 Probe Lock Function eee 25 3 5 INEO CORN Conter ciae tuckode ete eek dee EES 26 4 Display Functions and User Interface 29 sal Malmole EE 29 Ee 29 Se CI cL 29 AA Ee E RE 29 1523 1524 Reference Thermometer Z5 sSETUPpu c eiui EMIL EE 30 APSA ChalkiielTueciectseu ciento toti e EEN dd atre to 30 Dom RODOS E RE 30 Loos aM om E 30 AWB NHB qe FT ME 30 4 5 1 4 NADE o 30 4 5 1 5 4 5 1 6 4 5 2 Channel T2 1524 Only 4 5 2 1 4 5 2
57. Reference Thermometer Readout 77 Fed Jane os ienshteiesede den AER eege dee 77 T2 EIB EE HIE 77 recepere 77 Fe ME lee Ein EE 77 7 5 Environmental Test Conditions 77 76 Calibration EQ ODER cec o tree eet a kr r AEN EET 77 X Manual Calba cE ASRR 78 tele E E E E em 78 42 AS Found Data Procedute u iie enn pines enei i E e 80 7 7 2 1 As Found Calibration Parameters ssssssssssssseeee eee 80 Zeg JjAsibound Wate yes de tuo RE apte de b a d ad 80 E Alignment PlOCCOUG EE 80 f 3 44 Alignment lest Dat tocco eb tre etre ud aera tae 80 7 7 3 2 Calculate New Adjustment Values eee 80 VE MEI UE QBLIIHM C H M 80 7 8 Preparation for Reference Thermometer Calbraton 80 8 SerialGommuniGatiOn EE 80 78 2 e Le MEET EN Kee Nee EN 1523 1524 Reference Thermometer Ee e EN 7 9 Manual Calibration Process 81 COl NM oc Te 82 e DN We E EE EE 82 7 9 4 2 1523 24 Calibration Parameters As Found 82 FGAS 1523 24 Accuracy Test AS Found cec pede t he eei ceat 84 VI 1523 24 Tele EE 89 559 2 4 E75 OBHMS Range sna ce aree qe tied Pepe heo ERR ERO eds 91 79227 JIOSOEIMOSIRAIOSQG EE 92 T923 MED OHMS ie icri e ex dhe don ctr dee e t des doa ERE dd 92 TOZA THIEOEIMS RADGQO E 92 Rer illegale 92 7 9 8 1523 24 As Left Test Data 93 AE Iesum 95 S MalntelhaliCg onn sanecinamanicuo ana naa ui leri auae ru eis 97 IT ARN MP 99
58. X XXXX is the current UUT password Query the password enable to ensure communication is working and that it is enabled before continuing Do this by sending the following command SYST PASS CEN The returned value should be a 1 If not recheck the serial cable connection and the terminal program communication settings listed in step 1 7 9 1 3 1 L75 Ohms Range 23 Set the UUT in the L75_OHMS cal range by sending the following commands through the serial port CAL1 DEV RANG SEL L75_OHMS 24 84 Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data 25 26 27 28 Calibration of Your Reference Thermometer Readout Manual Calibration Process Connect a 25 Ohm resistor 28 ppm to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Connect a 75 Ohm resistor to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data 7 9 1 3 2 Lo Ohms Range 29 30 31 32 33 34 35 36 37 Note 38 Set the UUT in the LO OHMS cal range by sending the following commands through the serial port CAL1 DEV RANG SEL LO OHMS Connect a 75 Ohm resistor to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following
59. ace SETUP mV This mode is identified by mV along the top of the screen In this mode the voltage reading in mVs for the temperature measurement appears on the top of the display This option is available when the selected channel is reading thermocouples RJ Temp This mode is identified by RJ along the top of the screen In this mode the reference junction temperature reading appears on the top of the display This option is available when the selected channel is reading thermocouples and the reference junction is set to Internal DeltaX This mode is identified by AX along the top of the screen In this mode the differ ence delta between the measurement and a previously stored reference value Base X appears on the top of the display T1 T2 This mode is identified by AT along the top of the screen in the T1 row In this mode the difference between the channel T1 reading and the channel T2 reading is shown on the top of the display in the first row This mode is only available in model 1524 None In this mode nothing is displayed in the auxiliary display area Temp Res The Temperature Resolution may be changed from 0 to 3 decimal places when using a resistance thermometer A maximum of two decimal places is allowed if using a thermocouple probe RJ Thermocouple reference junction compensation may be either internal or external depending whether the thermocouple has an external reference jun
60. acity 1s 96 characters after which an over run error is queued and the buffer contents are ignored Short form command mnemonics are shown in upper case letters with the additional letters required for the long form appended in lower case Either form is permitted Many commands have a mnemonic suffix or parameter value of 1 or 2 to specify the probe number addressed by the command If a command with a value of 2 is used on a 1523 which has only one probe a command error occurs and the command is ignored 6 3 Digital Communication Interface Serial Commands by Function or Group Serial Commands by Function or Group In this section the commands are arranged into the following groups Data Logging Commands commands to report and setup the logging data Calibration and Setup Commands commands to setup the calibration of the instrument Measurement Commands commands to report and setup the measure parameters of the instrument Probe Setup Commands commands to report and setup probe information Status and Event Commands commands to report and setup the status of the instrument System Commands commands to report and change the system information com munication and password of the instrument Table 18 Commands by Function or Group Functions or Groups Data Logging Automatic Data Logging Common Data Logging Demand Display SCREEN Protection PARAMETER Command Group Read Write mm f
61. aterial 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 Before using any cleaning or decontamination method except those recommended by Fluke users should check with an Authorized Service Center to ensure that the pro posed method will not damage the equipment If the AC adapter becomes damaged have it replaced immediately Never disassemble the AC adapter or attempt to repair it If the instrument is used in a manner not in accordance with the equipment design the operation of the thermometer may be impaired or safety hazards may arise Note Use only AA alkaline batteries 97 Index Symbols 1523 24 Alignment 89 9940 software 43 CLS 49 F C 29 IDN 49 RST 49 Q mV 36 A AC adapter 23 97 AC Adapter 81 Accuracy Test 84 action commands 75 Alignment Procedur 80 Alignment Test Data 80 ARROWS UP DOWN 34 As Found 82 As Found Data 80 As Left Data 80 As Left Test Data 93 Authorized Service Center 77 Authorized Service Centers 4 Auto Log 41 Auto Log 35 37 AUTO LOG 39 Auto Off 33 81 B Battery 23 battery icon 23 Baud Rate 34 buffer capacity 44 C CALCulate AVERage CLEar 49 CALCulate AVERage lt n gt TYPE 50 CALCulate lt prb gt AVERage lt n gt DATA 50 CALCulate lt prb gt CON Vert DATE CALibrate 50 CALCulate lt prb gt CON Vert DATE CALibrate lt
62. ble to Channel T1 7 9 1 3 4 High Ohms Range ST 58 59 60 61 62 63 64 65 Set the UUT in the HI OHMS cal range by sending the following commands through the serial port CAL1 DEV RANG SEL HI OHMS Connect a 40K Ohm resistor to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Connect a 100K Ohm resistor to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Connect a 300K Ohm resistor to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Connect a 500K Ohm resistor to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Note Steps 64 through 67 apply to the 1524 only Proceed to step 68 if using a 1523 87 1523 1524 Reference Thermometer Manual Calibration Process 88 66 67 68 69 70 1524 ONLY Set Channel T2 of the UUT in the HI OHMS cal range by sending the following commands through the serial port CAL2 DEV RANG SEL HI OHMS Connect a 100K Ohm resistor to the calibration cable connected to the UUT on Channel T2 Turn off T1 by sending the following command CAL1 DEV RANGE SEL NORMAL
63. ce Thermometer Readout General NOTE For assistance with the process or any questions regarding the calibration of the Reference Thermometer contact an Authorized Service Center See Section 1 8 Authorized Service Centers on page 4 This procedure is to be considered a general guideline Each laboratory should write their own procedure based on their equipment and their quality program Each proce dure should be accompanied by an uncertainty analysis also based on the laboratory s equipment and environment The 1523 24 Reference Thermometers are calibrated with a traceable calibration at the factory This calibration is supported by good practices including an extensive uncertainty budget Introduction The reference resistors and voltage source must have low enough uncertainties to fit within your uncertainty budget These uncertainties consist of a number of items including temperature coefficients and long term drift There are other uncertainties to consider as well Terminology NOTE The Unit Under Test is referred to as the UUT Fundamentals It is assumed that the user is familiar with the 1523 24 Reference Thermometer User s Guide and Technical Guide The user shall be familiar with 4 wire and 2 wire resistance connections The user shall be familiar with the voltage source Environmental Test Conditions Temperature range 23 C 4 C Ambient relative humidity below 60 Calibration Equipment The
64. ction or not Refer ence junction temperatures for the external type may be entered through the display Reference junction temperatures for internally compensated thermocouples can be shown on the auxiliary display The reference junction type will be identified in the INFO CON connector for the specific thermocouple and can only be edited through the serial port Channel T2 1524 Only Select the Channel T2 submenu by pressing the ENTER key This menu allows the user access to view the probe data from the INFO CON connector and to setup the 1523 1524 Reference Thermometer SETUP 32 4 5 2 1 4 5 2 2 4 5 2 3 4 5 2 4 4 5 2 4 1 4 5 2 4 2 4 5 2 4 3 auxiliary display for Channel T2 Channel T2 is only used for PRTs and thermistors This channel can not be used for thermocouples This Submenu is available in model 1524 only Probe This is a read only field it tells the user the probe and or the conversion type used with the related probe Config This is a read only screen when accessed by pressing the ENTER key the user can view all of the setup information retained in the INFO CON connector This informa tion tells the user the conversion type serial number calibration date all of the coef ficients used for this probe and the Min and Max temperatures allowed for the probe Base X This is a reference value that may be stored in the unit for use as a comparison or dif ference value from the current read
65. e Junction Compensaion rererere 18 Table 9 Table 8 Ohms Measurement Hie 18 Table 10 Table 9 Ohms Measurement Thermistor sssseeee 19 Table 11 Equivalent temperature accuracies derived from primary SPECITIGATOMS O AV NE E 19 Table 12 Temperature Thermocouples External Reference Junction 20 Table 13 Temperature RTD Ranges and Accuracies RTD 90 21 Table 14 Temperature Tnermisior rne 21 Table 15 Fast Scan Mode Specifications ssssssssseee 21 Table 16 Sample Interval per Channel in Geconde 21 Table 17 Channel to Channel Differential Specifications sssss 22 Table 18 Commands by Function or Group 45 Table 19 Statistical Types sionerien inea easa ian ohiana aa E 72 Table 20 Probe Conversion Tvpes Ree 72 Table 21 Probe Characterization Parameters ereenn 73 Table 22 Calibration Range Jderttlerg 74 Table 23 Demand Log Statistical Types sssssssssmm 75 Ee Eege GE 75 Table 25 Test Equipment Specifications ssssssss 78 Table 26 Standard Reference Resistor Specification sssssssss 78 Table 27 Standard Voltage Reference Specification ssssssssss 78 Table 28 1523 24 Accuracy Test Settings and Specifications 81 Table 29 1523 24 Accuracy Test Settings and Specifications Voltage 82 Table 30 As Found Readout Calibration Parameter Settings
66. e the instrument inspect the case Look for cracks or missing plastic Pay particular attention to the insulation surrounding the connectors Do not use the reference thermometer if it appears damaged or operates abnormally Protection may be impaired When in doubt have the instrument serviced Always use an isolated RTD or PRT metal sheath isolated from lead wires Make sure the battery door is closed and latched before you operate the reference thermometer Do not operate the reference thermometer around explosive gas vapor or dust For battery operation use only 3 AA batteries properly installed in the reference thermometer case On the 1524 model thermocouples can only be used on channel 1 13 2 Cautions To avoid possible damage to the reference thermometer or to equipment under test Do not apply more than the rated voltage as marked on the reference thermometer between the inputs or between any input and earth ground 30 V 24 mA max all terminals Unless recalibrating the instrument DO NOT change the values of the calibration constants from the factory set values The correct setting of these parameters is important to the safety and proper operation of the instrument The instrument and any thermometer probes 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 overheated DO NOT operate this instrument in an
67. essing the STATS key until the desired option MIN MAX AVE or STD appears on the display Note Standard deviation will be shown on the screen in this mode as STD rather than the usual STD DEV The graph is cleared when the display mode is changed to or from a numeric format or if the temperature units are changed In addition entering in the SETUP Menu will cause the graph to refresh LOG The Auto Log feature allows the user to setup data collection and storage on both channels This menu selection allows the user to setup the interval of the logged data a tag or identification label see the available memory for storage and session start amp stop This Auto Log feature 1s only available in model 1524 The Auto Log feature 1s affected by the Auto Off function If the Auto Off function is used and the unit turns off during a logging session the logging session will be termi nated and the unit will restart with the Auto Log turned off It is recommended that the Auto Off function be turned Off before starting a logging session Free This feature indicates the amount of memory available for storage in terms of memory unused It also indicates how many bytes of memory are available for use Interval This feature allows the user to select the interval used by the processor to take new data The available selections are Auto 1 2 5 10 30 and 60 seconds If logging with a model 1524 using two active probes and a 1 second inte
68. excessively wet oily dusty or dirty environment Use the proper probes function and range for your measurement Ensure probe coefficients are downloaded 1 4 1 4 1 1 4 2 1 4 2 1 Before You Start CE Comments Table 1 International Symbols Symbol Description Description No AC Alternating Current PE Ground ING AC DC Hot Surface Burn Hazard Read the User s Guide Important Battery Information Complies with European Union CC omp off directives em n DC On Double Insulated Canadian Standards Association D B ni Electric Shock C TICK Australian EMC mark The European Waste Electrical Fuse and Electronic Equipment WEEE miQe9 opp ei Directive 2002 96 EC mark CE Comments EMC Directive Hart Scientific s equipment has been tested to meet the European Electromagnetic Compatibility Directive EMC Directive 2004 108 EC The Declaration of Confor mity 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 EN 61326 1 2006 Electrical equipment for measure ment control and laboratory use EMC requirements As noted in the EN 61326 1 the instrument can have varying configurations The instrument was tested in a typical configuration with shielded RS 232 cables Immunity Testing For Use As a Portable Hand held Instrument The i
69. face the instrument may be connected to a computer This allows the user to obtain measurement data and control operating conditions The RS 232 se rial interface allows serial digital communications over fairly long distances With the serial interface the user may access any of the functions parameters and settings dis cussed in this section The 9940 software that came with the unit is available to assist in the communications interface Refer to the documentation included on the software CD for additional information Wiring The serial communications cable attaches to the instrument through the 1 8 mini jack connector at the top of the instrument To reduce the possibility of electrical interface the serial cable should be shielded with low resistance between the connector and the shield It should not be much longer than is necessary Data Upload Format Each data field is comma delimited and each record is terminated with a carriage return CR and a new line LF command GND GND RxD e TxD xD n RxD Figure 16 RS 232 wiring 43 1523 1524 Reference Thermometer Command Syntax 44 6 1 1 6 1 3 6 2 Setup Before operation the serial interface must first be set up by turning on the serial port and programming the BAUD rate This can be accessed from the main menu by select ing SETUP Instrument Serial Operation The serial communications uses 8 data bits one
70. ic Listing Error 203 Command protected is queued if the password has not been entered with SYST PASS CEN CALibrate DEVice RANGe REFerence lt num gt Return the reference value for a calibration point of the preselected range The REFerence suffix lt num gt specifies the calibration point 1 to the number set with the associated command CAL DEV RANG NUM If omitted reference values for all points are returned separated by commas The range must have been preselected with the command CAL lt chn gt DEV RANG SEL The response is expressed in ohms or millivolts depending on the range being calibrated Example CAL DEV RANG REF2 Response 10 568 CALibrate DEVice RANGe REFerence lt num gt lt val gt Set the reference value for a calibration point of the preselected range The REFerence suffix num specifies the calibration point 1 to the number set with the associated command CAL DEV RANG NUM Defaults to 1 if omitted The range must have been preselected with the command CAL lt chn gt DEV RANG SEL The parameter lt val gt is the reference value expressed in ohms or millivolts depending on the range being calibrated The reference points to the specified number must be entered in ascending order Example CAL DEV RANG REF2 10 568 NOTE This command is protected which requires a password to set it Error 203 Command protected is queued if the password has not been entered with SYST PASS C
71. in a command error if used with the model1523 Example SYST DATE Response 2000 9 22 SYSTem DATE lt year gt lt month gt lt day gt Set the date The lt year gt parameter is a four digit number 2000 to 2099 The month parameter is a one or two digit number to 12 The day parameter is a one or two digit number 1 to 31 This command is only available in the model 1524 and results in a command error if used with the model1523 69 1523 1524 Reference Thermometer Serial Commands Alphabetic Listing 70 Example SYST DATE 2000 8 29 SYSTem ERRor Return a system error message if any are present in the system error queue otherwise it returns 0 No error The error queue may contain up to ten messages The messages are reported in the order in which they occurred Reading a message from the queue removes the message so that the next message can be read If more than ten errors occur before being read the most recent is replaced by 350 Queue overflow Possible error messages are listed in Table 24 on page 75 Example SYST ERR Response 0 No error SYSTem PASSword CDlISable Disable access to password protected commands Example SYST PASS CDIS This command has no response SYSTem PASSword CENable pass Enable access to password protected commands The pass parameter is the present password Example SYST PASS CEN 1234 This command has no response SYSTem PASSword CENable
72. ing when using the DeltaX auxiliary display Aux Displ This is the Auxiliary display selection In addition to temperature on the main numeric output the user may choose to display an auxiliary measurement for channel T2 For a resistance thermometer the user may choose to display Ohms DeltaX T2 T1 or None Ohms This mode is identified by Q along the top of the screen In this mode the resistance in Ohms for the temperature measurement appears on the top of the display This op tion is available when the selected channel is reading PRTS or thermistors T2 T1 This mode is identified by AT along the top of the screen in the T2 row In this mode the difference between the Channel T2 reading and the Channel T1 reading is shown on the top of the display This mode is only available in Channel T2 on model 1524 DeltaX This mode is identified by AX along the top of the screen In this mode the dif ference or delta between the measurement and a previously stored reference value Base X appears on the top of the display 4 5 2 4 4 5 2 5 4 5 3 4 5 3 1 4 5 3 2 4 5 3 3 4 5 3 4 4 5 3 5 Display Functions and User Interface SETUP None In this mode nothing is displayed in the auxiliary display area Temp Res The Temperature Resolution may be changed from 0 to 3 decimal places if using a resistance thermometer or a maximum of two decimal places if using a thermocouple probe Instrume
73. ious step Set the UUT in the HI OHMS cal range by sending the following commands through the serial port CALI DEV RANG SEL HI OHMS Query the Ref points by sending the following Command CALI DEV RANG REF Query the ADJ values for the range by sending the following Command CAL1 DEV RANG ADJ 83 1523 1524 Reference Thermometer Manual Calibration Process 15 16 17 18 The ADJ values will be in order of the ref points queried in the previous step Set the UUT in the MV OHMS cal range by sending the following commands through the serial port CALI DEV RANG SEL MV OHMS Query the Ref points by sending the following Command CALI DEV RANG REF Query the ADJ values for the range by sending the following Command CAL1 DEV RANG ADJ The ADJ values will be in order of the ref points queried in the previous step Record the as found alignment parameters 79 1 3 1523 24 Accuracy Test As Found 19 20 21 22 Connect the calibration cable described in the Preparation and Settings for Reference readout Calibration section to Channel T1 of the UUT Using a terminal program set the terminal program communication settings to Baud 9600 Parity None Flow Control None Stop Bits 1 Connect an electrical short less than 0 00054 to all 4 wires of the calibration cable connected to the UUT Set the UUT password enable by sending the following commands through the serial port SYST PASS CEN XXX
74. ipment has been designed to meet the EN 61010 1 Authorized Service Centers Please contact one of the following authorized Service Center to coordinate service on your Fluke product Fluke Corporation Hart Scientific Division Phone 1 801 763 1600 Before You Start Authorized Service Centers Fluke Nederland B V Phone 3 1 402 675300 Fluke Int Corporation CHINA Phone 86 10 6 5 12 3436 Fluke South East Asia Pte Ltd SINGAPORE Phone 65 6799 5588 When contacting a Service Center for support please have the following information available e Model Number e Serial Number e Complete description of the problem Quick Start Setup 2 Quick Start 2 1 Setup GC Figure 2 Input Output Connections 1523 Table 2 1523 Input Output Connections Description Serial interface connector Sensor Connector Channel 1 External Power adapter connection 1523 1524 Reference Thermometer Setup L 30 V MAX EE Figure 3 Input Output Connections 1524 Table 3 1524 Input Output Connections No Name pesn i Serial interface connector Connector T1 Sensor Connector Channel 1 Connector T2 Sensor Connector Channel 2 External Power adapter connection Quick Start Setup _ 30 V MAX T1 T2 FLUKE EEA H Hart Scientific READOUT Ve 0 2 x RESET O mv E 9 oF 7 SETUP Figure 4 Keys 1523 1524 Reference Thermometer Setup Table 4
75. is 0 0 0L Example READ 2 Response 55 011 SENSe lt prb gt DATA MV Return the present direct or thermocouple millivolt reading for the specified probe The SENSe suffix lt prb gt specifies the probe 1 or 2 Defaults to 1 if omitted The response is expressed in millivolts If there is no valid measurement available the response is 0 0 OL If the presently selected input type is not millivolts or thermocouple there will be no response and error 221 Settings conflict will be queued Example SENS2 DATA MV Response 7 356895 SENSe lt prb gt DATA OHMS Return the present direct PRT RJ or thermistor ohms reading for the specified probe The SENSe suffix lt prb gt specifies the probe 1 or 2 Defaults to 1 if omitted The response is expressed in ohms For a thermocouple probe the response is the reference junction ohms value If there is no valid measurement available the response is 0 0 OL 65 1523 1524 Reference Thermometer Serial Commands Alphabetic Listing 66 If the presently selected input type is millivolts there will be no response and error 221 Settings conflict will be queued Example SENS2 DATA OHMS Response 100 45 SENSe DATA RJ Return the present internal or external reference junction temperature reading for the specified probe The response is expressed in degrees Celsius If the presently selected input type is not millivolts or thermocouple there will
76. ly sensed at the tip of the probe To get an accurate temperature measurement the probe sheath should be well immersed with adequate depth and fit into the medium to be measured Caution Probes are fragile devices that can be easily damaged by mechanical shock overheating and absorption of moisture or fluids in the wires or hub Damage may not be visibly apparent but nevertheless can cause drift instability and loss of accuracy Observe the following precautions e Do not allow probes to be dropped struck bent or stressed e Do not overheat probes beyond their recommended temperature range Do not allow any part of the probe other than the sheath to be immersed in fluid Do not allow the probe hub or wires to be exposed to excessive temperatures Keep the probe wires clean and away from fluids Probe Lock Function The 1523 may be locked for exclusive operation with a specific probe for quality con trol purposes and each channel of the 1524 may be locked with its own unique probe Locking the probe also prevents use with other readouts until the probe is unlocked To set the probe lock plug in the probe to the channel that you want to lock it to First send the unit password enable command SYST PASS CEN XXXX where xxxx is the unit password through the serial port using the 9940 software or a terminal program 25 1523 1524 Reference Thermometer INFO CON Connector 26 3 5 Then send the serial command CALx DEV LOCK
77. measurement for the specified probe with units according to the UNIT TEMP setting if it is a temperature The lt prb gt parameter specifies the probe 1 or 2 Defaults to 1 if omitted If there is no valid measurement available the response is 0 0 OL Digital Communication Interface Serial Commands Alphabetic Listing Example FETC 1 Response 105 236 LOGging AUTomatic DELete lt num gt Delete all entries from an auto tag number The parameter lt num gt is the tag number for which all entries are to be deleted 1 to 25 or 0 to delete all entries for all tags 399 Error 221 Settings conflict is queued if the data logging storage is corrupt or if the automatic delete or send display is active Example LOG AUT DEL 10 LOGging AUTomatic FREE Return the number of Auto Log entries free and in use by all tags The response consists of the number free entries followed by the number of used entries separated by a comma Error 221 Settings conflict Example LOG AUT FREE Response 3760 1126 is queued if the data logging storage is corrupt LOGging AUTomatic LABel Return the tag number to which the LOG AUT POIN LOG AUT STAT and LOG AUT VAL commands presently apply Return a value of 1 to 25 or 0 if not set 399 Error 221 Settings conflict Example LOG AUT LAB is queued if the data logging storage is corrupt Response 15 LOGging AUTomatic LABel lt num gt Set
78. n explains the details of the operation of the 1523 24 reference thermometer with its components and accessories Battery The 1523 24 uses three 3 AA alkaline batteries that can power the instrument for 20 hours without replacement The batteries will discharge more quickly if the backlight is used often The battery icon will blink as the batteries approach depletion When the battery icon is blinking the user should replace batteries immediately to avoid affecting the accuracy of the instrument The batteries can be easily removed and replaced in the field by following this procedure 1 Power the 1523 24 off and unplug the AC adapter from the unit Remove the yellow boot With the 1523 24 facing down remove the screw and battery cover Remove the batteries Place new batteries into the unit Close the battery cover and replace the screw MO ta fF WW Replace the yellow boot Warning Used batteries must be disposed of properly Check your local regulations for additional information You may return used batteries to the manufacturer Never dispose of batteries in fire as this may result in explosion with the possibility of personal injury or property damage DC Power Source The DC power source provides power to the 1523 24 reference thermometer The AC adapter provided with the 1523 24 is intended to be used for this purpose Use only the AC adapter supplied with the instrument The DC power source plugs into the D
79. nding the following commands through the serial port CAL1 DEV RANG SEL MED OHMS Connect a 200 ohm resistor to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Connect a 400 Ohm resistor to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Connect a 10K Ohm resistor to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data Connect a 40K Ohm resistor to the calibration cable connected to the UUT Query the reading every 2 seconds for 40 readings using the following command MEAS Record the data 1524 ONLY Set Channel T2 of the UUT in the MED OHMS cal range by sending the following commands through the serial port 53 54 55 56 Calibration of Your Reference Thermometer Readout Manual Calibration Process CAL2 DEV RANG SEL MED OHMS Turn off T1 by sending the following command CALI DEV RANGE SEL NORMAL Disconnect resistor Connect a 10K Ohm resistor to the calibration cable connected to the UUT on Channel T2 Query the reading every 2 seconds for 40 readings using the following command MEAS 2 Record the data Turn off Channel T2 by sending the serial command CAL2 DEV RANG SEL NORMAL Connect the calibration ca
80. new values for the parameters MINOP and MAXOP and update the display the command CALC CONV UPD must be sent the probe must be removed and inserted or the unit power must be cycled off and on Example CALC2 CONV PAR VAL RTPW 100 0145 NOTE This command is protected which requires a password to Set it Error 2003 Command protected is queued if the password has not been entered with SYST PASS CEN CALCulate lt prb gt CONVert SNUMber Return the probe serial number for the specified probe The CALCulate suffix lt prb gt specifies the probe 1 or 2 Defaults to 1 if omitted Example CALC2 CONV SNUM Response A_336C CALCulate lt prb gt CONVert SNUMber lt seri gt Set the probe serial number for the specified probe The CALCulate suffix lt prb gt specifies the probe 1 or 2 Defaults to 1 if omitted The lt seri gt parameter consists of up to ten characters limited to upper case letters numeric digits and the underscore Example CALC2 CONV SNUM A 336C NOTE This command is protected which requires a password to Set it Error 2003 Command protected is queued if the password has not been entered with SYST PASS CEN CALCulate lt prb gt CONVert TEST res mv rjt Return the calculated temperature in Celsius for the giving sensor reading Digital Communication Interface Serial Commands Alphabetic Listing The CALCulate suffix prb specifies the probe 1 or 2 Defaults to 1 if omit
81. ng the INFO CON case be sure to be grounded with an ESD strap to avoid damaging the memory chip If a shield wire is present it should not be connected General Operation INFO CON Connector PRT Thermistor TC Pre assembled Pre assembled Pre assembled inside connector inside connector inside connector 6 5 6 5 6 5 Pin1 Pin 6 Pin 1 Pin 6 Pin 1 Pin 6 Excitation Memory Excitation Memory Thermistor Memory Current GND Current Ne GND TC Reference GND Pin 2 Pin 5 Pin2 Pin 5 Pin 2 f Pin 5 Sense Memory Sense Memory TC Memory 1 0 VO 1 0 Pin 3 Pin4 Pin 3 Pin4 Pin3 Pin4 Sense A Excitation Sense A Excitation TC 4 Thermistor Current Current TC Reference Reference Junction Thermistor Figure 15 Probe wiring diagrams 27 4 1 4 2 4 3 4 4 Display Functions and User Interface HOLD Display Functions and User Interface This chapter discusses in detail how to operate the Reference Thermometer us ing the front panel keys and liquid crystal display LCD This includes reading temperature s in C or F viewing statistics using the auxiliary display for differen tial temperature T1 T2 or electrical readings Q mV capturing up to 25 discrete data readings with statistics logging up to 15 000 readings at selected time intervals and configuring the communication interface Refer to the full menu structure diagram in the previous section
82. nnel output DATA 25 1 22 676 C 15 19 42 2008 05 24 DATA 25 2 23 245 C 15 19 44 2008 05 24 DATA 25 1 23 220 C 15 19 46 2008 05 24 DATA 25 2 23 260 C 15 19 48 2008 05 24 DATA 25 1 22 765 C 15 19 50 2008 05 24 DATA 25 2 23 263 C 15 19 52 2008 05 24 Each data field is comma delimited and each record is terminated with a carriage re turn CR and a new line LF command For more information on the serial interface protocols see the Digital Communications Interface section Deleting Auto Log Data This feature allows the user to delete logged data files by selecting Delete Logs in the RECALL menu The user may delete a specified file identified by the Tag ID or select All files Use the Up and Down arrow keys to select the file to delete The instrument default is to delete All files Once the user has selected the data files to delete press ENTER to delete the file The instrument will request the user to confirm deletion and the user must press ENTER again to delete or press NEXT to cancel the request The user can exit this menu and return to the main display by pressing the RECALL or HOME SHIFT ENTER key s at any time This feature is available in model 1524 only 41 6 1 Digital Communication Interface Wiring Digital Communication Interface The 1523 24 handheld readout is capable of communicating with and being controlled by an external device through the RS 232 digital interface With a digital inter
83. nstrument was tested to Basic Immunity Requirements for portable test and mea surement equipment 1523 1524 Reference Thermometer Using Clamp On Ferrites 1 4 2 2 1 5 1 6 1 7 1 8 For Use As a Benchtop Instrument AC Adapter The instrument was tested to Immunity Requirements for Controlled EM Environ ments Utilized in this state the instrument is designed to operate in a controlled electromagnetic environment The instrument experiences degradation in the presence of strong fields in the frequency range of 150 to 200 MHz and we suggest that it not be used in close proximity to VHF transmitters Using Clamp On Ferrites Clamp on ferrites are provided for use in improving the instrument s electromagnetic EM immunity in environments of excessive EM interference like areas of heavy industrial equipment We recommend placing the ferrites on the cables of probes at tached to the instrument To attach a ferrite to a probe cable make a loop in the cable near the connector and clamp the ferrite around half of the loop as shown in the diagram The ferrite can be easily detached and moved to a new probe when needed See Figure 1 on this page probe cable clamp on ferrite Figure 1 Clamp On Ferrite Emissions Testing The instrument fulfills the limit requirements for Class B Low Voltage Directive Safety In order to comply with the European Low Voltage Directive 2006 95 EC Fluke equ
84. nt The instrument menu allows the user access to the serial port setup unit Auto Off timer backlight timer contrast and the fast scan rate mode The Auto Off timer and backlight timer are power saving settings for use when operating on battery power Fast Scan Mode This mode allows the user to increase the sample rate in the instrument When this mode is used the sample rate is increased at the expense of the accuracy The instru ment specifications are only guaranteed when the Fast Scan Mode is turned off Refer to alternate specifications for operating in Fast Scan mode This setting is not stored in the memory and is reset to off at power up Contrast This is an incremental setting selection that enables the user to change the screen contrast An increase in value results in a darker contrast A decrease in value results in a lighter contrast Auto Off This timer setting tells the unit how long to stay on before shutting down Allowable settings Range from 1 to 30 minutes or the user may turn this feature Off If the unit turns off this feature will terminate the graphing mode and auto logging mode when shutting down The user will need to press the POWER key in order to restart the unit Backlight Time This timer setting tells the unit how long to keep the back light illuminated before shutting down Allowable settings range from 1 to 30 minutes or the user may turn this feature Off Serial Port This feature allows the u
85. ocam NA mmy focam O NA mm wemwmow T ions ESCHER EC sson temm a Dwewa Lamm NA a wa uoemmwermm RSC wa iosueswwe RSC mm wosomwrme T S mw foeonenn N mw foeonenn N mw UEL LR mm iosoewsmmereme T Demenes Lane WA mm qummw NA 45 1523 1524 Reference Thermometer Serial Commands by Function or Group Password Functions or SCREEN Protection Groups PARAMETER Command Group Read Write Calibration amp Setup none CAL DEV AUTO none CAL DEV AUTO val none CAL chn DEV LOCK none Cal lt chn gt DEV LOCK bool none CAL chn DEV LOCK DATA N A N A N A N A A none CAL chn DEV RANG NUM NA none CAL chn DEV RANG ADJ num NA none CAL lt chn gt DEV RANG NUM val Conditional BEEN BCS Ca a Sea LB MEN ess Cac nevana La CAL chn DEV RANG SEL eg Taassen S n 8 Lees eucmemsewwer S ent mere 8 eg pee CO 8 Ls sesomamr ne es smeemomomer ww es sememean va m sense S e sens tener ww 8 none CAL lt chn gt DEV RANG CLEA Conditional Test Equipment 99 Washington Street Depot Melrose MA 02176 Phone 781 665 1400 1 800 517 8431 Toll Free 1 800 517 8431 Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781
86. ocouples on channel 1 only Channel 2 on the 1524 cannot be used with thermocouples 3 3 1 3 3 2 3 3 3 3 4 General Operation Probe Lock Function Internal or External reference junction compensation may be used with this instrument TC Internal Reference Junction With internal reference junction compensation the temperature of the Thermocouple connection is measured automatically and used to calculate the absolute temperature of the thermocouple The infocon reference junction parameter must be programmed to Internal and the external temperature parameter in the infocon will be ignored TC External Reference Junction With External Reference junction compensation the reference junction is held at a known fixed temperature The value of the fixed temperature reference is used to calculate the absolute temperature of the thermocouple In this method the reference junction is created externally and copper wires connect the reference junction to the 1523 24 The reference junction is placed in an ice bath or other temperature source that has a precisely known and stable temperature This technique offers improved accuracy but is less convenient because of the more compli cated connection scheme and the requirement of a precision temperature source The external reference temperature parameter and the external reference junction parameter must be set in the infocon connector prior to using this method Temperature is general
87. or no probe is inserted is returned The third item returned is the unit channel to which the probe is exclusively locked If the probe is not locked or no probe is inserted 0 is returned Example CAL2 DEV LOCK DATA Response ALPHA 57 51789 2 CALibrate DEVice RANGe ADJust lt num gt Return the calibration offset from the reference value for a calibration point of the preselected range The ADJust suffix lt num gt specifies the calibration point 1 to the number set with the associated command CAL DEV RANG NUM If omitted offset values for all points are returned separated by commas The range must have been preselected with the command CAL lt chn gt DEV RANG SEL The response is expressed in ohms or millivolts depending on the range being calibrated Example CAL DEV RANG ADJ2 Response 107 CALibrate DEVice RANGe ADJust lt num gt lt val gt Set the calibration offset from the reference value for a calibration point of the prese lected range The ADJust suffix lt num gt specifies the calibration point 1 to the number set with the associated command CAL DEV RANG NUM Defaults to 1 if omitted 55 1523 1524 Reference Thermometer Serial Commands Alphabetic Listing 56 The range must have been preselected with the command CAL lt chn gt DEV RANG SEL The parameter lt val gt is the offset value expressed in ohms or millivolts depending on the range being calibrated Example CAL
88. ponent E or e with its sign If a fractional component is received when only an integer is required the number is rounded to the nearest integer without any resulting error message The mnemonics DEF MIN and MAX are often acceptable for the default minimum and maximum value respectively Unit suffixes such as V or OHM can be appended to numeric parameters and are accepted without error but ignored e Unrecognized commands or commands with incorrect syntax or invalid parameters generate error messages in the error queue 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 optional parameters e indicates a group of parameters that must be used together 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 indicates alternate parameter values e lt n gt indicates a number is required e lt prb gt indicates a probe number 1 or 2 is required e lt num gt indicates numeric 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
89. rect connection of the probe A common mistake is to connect the wires of the probe to the wrong terminals Check the wiring carefully see Figure XXX Open shorted or damaged sensor or lead wires Check the resistance across the sensor using a handheld digital multi meter Check the resistance between common pairs of leads Check to make sure there is no conductivity between any of the leads and the probe sheath Use a good quality sensor to avoid errors caused by drift hysteresis or insulation leakage Stem conduction error Make sure the stem of the probe is immersed in the medium with adequate depth and a tight fit Electrical interference Intense radio frequency radiation near the thermometer or the probe can induce noise into the measurement circuits resulting in erratic readings Try eliminating the source of interference or moving the thermometer to a different location 95 Maintenance Maintenance This instrument has been designed with the utmost care Ease of operation and sim plicity of maintenance have been a central theme in the product development With proper care the instrument should require very little maintenance Avoid operating the instrument in oily wet dirty or dusty environments If the 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 dam age the LCD or the plastic outside shell If a hazardous m
90. rtation 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 WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICU LAR PURPOSE HART SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCI DENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES INCLUDING LOSS OF DATA WHETHER ARISING FROM BREACH OF WARRANTY OR BASED ON CONTRACT TORT RELIANCE OR ANY OTHER 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 of competent jurisdiction such holding will not affect the validity or enforceability of any other provision Fluke Corporation Hart Scientific Division 799 E Utah Valley Drive e American Fork UT 84003 9775 e USA Phone 1 801 763 1600 Telefax 1 801 763 1010 E mail support hartscientific com www hartscientific com Specifications subject to change without notice e Copyright 2008 e Printed in USA Table of Contents 1 Before YOU Start ue eias iixpa Cucina ud cd Gnpa bas bn Dr eivb ar ceux x bonc ded d 1 Soe e e Lee T 1 1 2 Standard Eouipoment eene 1 1 3 Sary later E le 1 1 8 1 Warning EE 1 EC Se e 2 14 CE COMM
91. rval a second of data will be skipped approximately every three seconds in order to have unique values in every set of stored data When the unit is in Auto interval sampling the Fast Scan Mode Speci fications apply Refer to Table XXX Fast Scan Mode Specifications and Table XXX Sample Interval per Channel in Seconds 37 1523 1524 Reference Thermometer HOME 38 4 15 3 4 15 4 4 16 Tag This is a label attached to the stored data set The tag name may be changed by the user using the serial interface port This name can be 8 alpha numeric characters long Session This feature is used to start or stop logging sessions Only the available condition START or STOP can be selected HOME The HOME key SHIFT ENTER allows the user to return to the main screen from anywhere in the menu 5 1 5 2 5 2 1 LOGS AUTO LOG LOGS There are two log features associated with models 1523 1524 the Demand Log and the Auto Log Both the 1523 and 1524 have a demand log that stores up to 25 read ings The 1524 has an Auto Log that can store up to 15 000 readings at specified inter vals The Auto Log feature is affected by the Auto Off function If the Auto Off func tion is used and the unit turns off during a logging session the logging session will be terminated and the unit will restart with the Auto Log turned off It is recommended that the Auto Off function be turned off before starting an Auto logging session DEMA
92. s meo Digital Communication Interface Serial Commands Alphabetic Listing 738 1523 1524 Reference Thermometer Serial Commands Alphabetic Listing Duos meo Duos meo e Double Floating Point internal RJ only B1 Double Floating Point internal RJ only B2 Double Floating Point internal RJ only B3 Double Floating Point internal RJ only RJTYPE O external 1 internal RJTEMP Double Floating Point External temperature C Duos mee co Table 22 Calibration Range Identifiers 74 Digital Communication Interface Serial Commands Alphabetic Listing Table 23 Demand Log Statistical Types Dmm we Standard Deviation Auxiliary Value For all query commands when an error is detected and an error message is placed in the queue no response is returned for the query For all action commands when an error is detected and an error message is placed in the queue no action is taken If a thermocouple is inserted into channel 2 all commands except the SYST ERR query command place the error 221 Settings conflict in the queue This action complements the full lockout of all the keypad keys in this same circumstance Error messages are retrieved from the queue using the SYST ERR query Table 24 Error Messages wat Wess o woeme 75 7 7 1 7 2 7 3 7 4 7 5 7 6 Calibration of Your Reference Thermometer Readout Calibration Equipment Calibration of Your Referen
93. s the user to compare the results to the previous calibration Alignment Procedure The alignment procedure aligns each of the reference thermometer s ranges to a set of known reference voltage and resistance standards Reference points and their adjust ment values are reset Alignment Test Data Once the reference points have been set and their adjustment points reset to zero data at each calibration point is taken for each of the voltage and resistance ranges Calculate New Adjustment Values The alignment test data is used to calculate new Adjust ADJ values for each range based on the errors of certain cal points As Left Data Data at each calibration point is taken for each of the voltage and resistance ranges and compared to the accuracy specifications The standard deviation of the readings is calculated to ensure that it meets the specification Preparation for Reference Thermometer Calibration Serial Communication Enable the serial port of the UUT by pressing the SETUP key Press NEXT to high light Select Instrument then press ENTER Press NEXT until the parameter Serial Port is shown Toggle the up down keys to select On and press ENTER Press SETUP or HOME to return to the main screen 7 8 2 7 8 3 7 8 4 7 9 Calibration of Your Reference Thermometer Readout Manual Calibration Process Cabling Use short 1 meter four wire cabling from the UUT to the resistance and voltage ref erences The cabling
94. screen RESET Resets Stats Data Q mV Toggles from C to Q or Q to C PRT thermistor C to mV or mV to C TC TREND Starts Graphing data LOG Log a series of measurements see Auto Log in menu structure HOME Returns user to main screen 13 1523 1524 Reference Thermometer Setup SETUP Channel T1 Channel T2 Instrument Date Time Figure 8 1524 Menu SETUP Channel T1 Channel T2 Instrument Date Time T1 SETUP Probe View Only Infocon data Conversion Type Probe Types PRT Thermister TC Config View Only Listing ENTER to view Infocon data Base X a value between MINOP 3 C and MAXOP 3 C gt C Select Aux Disp None OHMS DeltaX T1 T2 Select options if resistance thermometer is used None RJ Temp TC mV T1 T2 DeltaX gt Select options if TC is used Temp Res 0 1 2 3 Select RJ Internal Viewable only when TC with internal RJ is used RJ an editable value of TCRJ editable when TC with External RJ is used reads initial TC RJ temp from probe T2 SETUP Probe View Only Infocon data Conversion Type Probe Types PRT Thermister Config View Only Listing ENTER to view Infocon data Base X a value between MINOP 3 C and MAXOP 3 C gt C Select Aux Disp None OHMS T2 T1 DeltaX Select Temp Res 0 1 2 3 Select Figure 9 1524 Menu cont
95. ser to turn the serial port On or Off This is a battery saving feature and is recommended when operating on battery power and when direct upload ing to a PC is not required Data may be gathered in the Demand Log or Auto Log modes prior to turning on the serial port and uploading the information 33 1523 1524 Reference Thermometer SAVE 34 4 5 3 6 4 5 3 7 4 5 3 7 1 4 5 3 7 2 4 6 4 7 Baud Rate This feature allows the user to change the baud rate from 9600 default or 2400 baud Date Time This feature allows the user to change or adjust the Time and Date The time and date is recorded on all Log files saved This feature is only available on model 1524 Date The date feature allows the user to adjust the month day and year in an Y Y Y Y MM DD format The date can be adjusted by using the up and down arrow keys while in the date field and pressing the ENTER key to save the change The curser will highlight the year Y Y YY gt field when entering into this screen Use the up and down arrow keys to adjust the year Press the ENTER key to save the change and advance to the month MM field Adjust the months in the same manner and press the ENTER key when complete This will advance the curser to the next field days lt DD gt Change the days field to the correct day in the same manner and press the ENTER key when complete This feature is only available on model 1524 Time The time feature allows the user
96. sistance Reference Spec Std Dev Range Nominal Q Soak Sec 9 Spec 0 o9 qe T e ose om o oss T 9 Table 29 1523 24 Accuracy Test Settings and Specifications Voltage StdDev Reference Soak Spec Spec Nominal mV Sec xmV mV s fa ws Lee 79 1 Procedure 79 11 Visual Inspection Perform a visual inspection of the UUT for signs of physical damage If a problem is found correct it before proceeding with the test Contact an Authorized Service Cen ter for repair or recalibration before proceeding 79 1 2 1523 24 Calibration Parameters As Found NOTE If not taking As Found data skip to the 1523 24 alignment section When the calibration process must collect As Found data the following UUT configu ration and control settings must remain at their current values until all As Found data has been collected See table below Table 30 As Found Readout Calibration Parameter Settings of Cal Ref Points Each Cal Range has 1 to 4 Ref Cal Points Cal Ref Points Reference values set to each cal point Cal Adj values Offsets used at each Cal Ref point 1 Using a terminal program set the terminal program communication settings to Baud 9600 Parity None Flow Control None Stop Bits 1 82 Calibration of Your Reference Thermometer Readout Manual Calibration Process Set the UUT password enable by sending the following commands through the serial port SYST PASS CEN XXXX XXXX is
97. stop bit and no parity The baud rate is set to 9600 as the default The user can also select 2400 baud Data Upload Format Each data field is comma delimited and each record is terminated with a carriage return CR and a new line LF command Command Syntax The instrument accepts commands for setting parameters executing functions or responding with requested data These commands are in the form of strings of ASCII encoded characters As far as possible the 1523 24 command syntax conforms to IEEE 488 2 1992 SCPI 1999 with the following exceptions Compound commands separated by semicolons are not allowed Overlapped commands are not supported Processing of commands is sequential and each command is completed before con tinuing to the next command Probe parameters may only be queried and set on one per command basis There is insufficient memory available to accommodate the potentially long command strings possible with multiple parameters per command The MIN MAX DEF and ALL data entry options are not generally allowed Parsing is based only on the first 3 or 4 significant letters of a keyword all subsequent letters up to the next colon space or suffix number are ignored The significant letters are shown in upper case All commands and parameters are case insensitive Lower case letters are changed to upper case before processing Null commands terminator only received are ignored The receive buffer cap
98. t tells the user the probe and or the conversion type used with the related probe Config This is a read only screen when accessed by pressing the ENTER key the user can view all of the setup information retained in the INFO CON connector This informa tion tells the user the conversion type serial number calibration date all of the coef ficients used for this probe reference junction type internal or external if the probe is a thermocouple and the Min and Max temperatures allowed for the probe Base X This is the reference value used by the DeltaX function in the auxiliary display Del taX calculates the difference between the current reading and Base X Aux Displ This is the Auxiliary display selection In addition to temperature on the main numeric output the user may choose to display an auxiliary measurement for channel T1 For a resistance thermometer the user may select to display Ohms DeltaX T1 T2 or None If this display feature is for a thermocouple the user may choose to display RJ Tem perature mV T1 T2 DeltaX or None Ohms This mode is identified by Q along the top of the screen In this mode the resistance in Ohms for the temperature measurement appears on the top of the display This op tion is available when the selected channel is reading PRTs or thermistors 4 5 1 4 2 4 5 1 4 3 4 5 1 4 4 4 5 1 4 5 4 5 1 4 6 4 5 1 5 4 5 1 6 4 5 2 Display Functions and User Interf
99. tables below describe the equipment needed to perform a 1523 24 reference ther mometer calibration The specifications for the reference resistors and voltage source are minimum requirements to meet a test uncertainty ratio TUR of 4 to 1 77 1523 1524 Reference Thermometer Manual Calibration Table 25 Test Equipment Specifications x 6ppm x 0 6uV Fluke 5700 See Total Uncertainty column Vishay VHP100 Resistors Table X Classification Voltage Source 4 wire Reference Resistors Low resistance Low EMF N A 4 wire cable Lemo Connector Table 26 Standard Reference Resistor Specification Us k 2 Us2 k 2 Ur k 2 Reference Resistor Reference TCR Total Uncertainty Resistor Uncertainty TCR Total Uncertainty Resistance ppm Uncertainty Q ppm Uncertainty Q Uncertainty Q ppm 0 0 00004 0 000540 25 28 0 0007 0 3 0 0000075 0 000700 28 0016 75 15 73 0 00117975 0 3 0 0000225 0 001180 15 7329 100 14 0 0014 0 3 0 00003 0 001400 14 0032 200 11 5 0 0023 0 3 0 00006 0 002301 11 5039 400 10 25 0 0041 0 3 0 00012 0 0041 10 2544 10000 35 0 35 0 3 0 003 0 3500 35 0013 40000 26 25 1 05 0 3 0 012 1 0501 26 2517 100000 74 7 0 3 0 03 7 0001 70 0006 300000 70 21 0 3 0 09 21 0002 70 0006 500000 70 35 0 3 0 15 35 0003 70 0006 Table 27 Standard Voltage Reference Specification ETTEE Voltage mV Uncertainty mV a ewm 77 Manual Calibration 771 General
100. ted The parameter res is the sensor reading in ohms for PRT or thermistor The parameter lt mv gt is the sensor reading in millivolts for thermocouples with op tional reference junction temperature lt rjt gt in Celsius which defaults to 0 if omitted Example CALC2 CONV TEST 100 0 Response 0 0 CALCulate lt prb gt CONVert UPDate Update the display with the latest configuration data from the probe s All probe data is reread and the display s are updated accordingly Example CALC2 CONV UPD CALCulate lt prb gt CONVert IDENtity Return the probe data structure identity number for the specified probe The CALCulate suffix lt prb gt specifies the probe 1 or 2 Defaults to 1 if omitted Example CALC2 CONV IDEN Response 23 CALCulate lt prb gt CONVert IDENtity lt num gt Set the probe data structure identity number for the specified probe The CALCulate suffix lt prb gt specifies the probe 1 or 2 Defaults to 1 if omitted The lt num gt parameter is an integer value 0 to 255 Example CALC2 CONV IDEN 23 NOTE This command is protected which requires a password to Set it Error 2003 Command protected is queued if the password has not been entered with SYST PASS CEN CALCulate lt prb gt CONVert VERSion Return the probe data structure version number for the specified probe The CALCulate suffix lt prb gt specifies the probe 1 or 2 Defaults to 1 if omitted Example CALC2 CONV VERS
101. the current UUT password Query the password enable to ensure communication is working and that it is enabled before continuing Do this by sending the following command SYST PASS CEN The returned value should be a 1 If not recheck the serial cable connection and the terminal program communication settings listed in step 1 Set the UUT to the L75 OHMS cal range by sending the following commands through the serial port CALI DEV RANG SEL L75 OHMS Query the Ref points by sending the following Command CALI DEV RANG REF Query the ADJ values for the range by sending the following Command CAL1 DEV RANG ADJ The ADJ values will be in order of the ref points queried in the previous step Set the UUT in the LO OHMS cal range by sending the following commands through the serial port CALI DEV RANG SEL LO OHMS Query the Ref points by sending the following Command CALI DEV RANG REF Query the ADJ values for the range by sending the following Command CALI DEV RANG ADJ The ADJ values will be in order of the ref points queried in the previous step Set the UUT in the MED OHMS cal range by sending the following commands through the serial port CALI DEV RANG SEL MED OHMS Query the Ref points by sending the following Command CALI DEV RANG REF Query the ADJ values for the range by sending the following Command CALI DEV RANG ADJ The ADJ values will be in order of the ref points queried in the prev
102. to adjust the HH MM SS in 24 hour format The time can be adjusted by using the up and down arrow keys while in the time field and then pressing the ENTER key to save the change The curser will highlight the hour lt HH gt field when entering into the time fields from the date fields Use the up and down ar row keys to adjust the hour Press the ENTER key to save the change and advance to the min MM field Adjust the minutes in the same manner and press the ENTER key when complete This will advance the curser to the next field seconds lt SS gt Change the seconds field to the correct second in the same manner and press the EN TER key when complete This feature is only available on model 1524 SAVE A point is saved into the demand log when the SAVE key is pressed while in the nu meric or graphic display mode Up to 25 points may be stored using the demand log When the SAVE key is pressed the bottom row of the display will indicate that a save has occurred with a tag ID SAV01 followed by a date and time if model 1524 If there are 25 points already stored SAV FULL save full will be displayed for 3 sec onds and no new data will be recorded ARROWS UP DOWN The up and down arrow keys allow the user to select options within a field indicated by an up and down arrow indicator to the right or left of the field 4 8 4 9 4 9 1 4 9 2 4 9 3 4 9 4 Display Functions and User Interface RECALL ENTER The ENT
103. ure Thermocouples External Reference Junction C C T Resolution 0 01 C C C C 200 to 0 C 0 48 C C C Note 1 Accuracies are based on external reference junction compensation 20 Quick Start Specifications Table 13 Temperature RTD Ranges and Accuracies RTD 90 Accuracy C 4 wire Probe 0 011 at 100 C 0 015 at 0 C 0 019 at 100 C 0 023 at 200 C 0 031 at 400 C 0 039 at 600 C Resolution 0 001 C 0 001 F Table 14 Temperature Thermistor Accuracy C 0 002 at 0 C 0 003 at 25 C 0 006 at 50 C 0 014 at 75 C 0 030 at 600 C Resolution 0 001 C 0 001 F Based on a 10kQ at 25 C thermistor with a beta value of 4000 Q Table 15 Fast Scan Mode Specifications Table 16 Sample Interval per Channel in Seconds Normal Mode Fast Scan Mode sample rate set 1 second sample rate set to Auto Channels 1 Channels 1 Probe combination for two Probe Type Channel 1 and 2 Channel 1 and 2 channel PRT 21 1523 1524 Reference Thermometer Specifications Table 17 Channel to Channel Differential Specifications Probe Type Times Normal specification T T T1 T2 Fast Scan Mode See Table Fast Scan Mode Specifications NOTE Specification is for T1 T2 10 C For Like Probes only Accuracies do not include probe accuracies 22 3 3 1 3 2 General Operation DC Power Source General Operation This sectio
104. will be displayed on the upper left area of the display Pressing the SHIFT key a second time eliminates the second function request RESET The RESET key SHIFT STATS is used to exit the STATS mode Upon exiting the STATS mode the minimum maximum average and standard deviation values are reset Q mV The Q mV key SHIFT C F switches the main numeric display from degrees to ohms mV or ohms mV to degrees This feature allows the user to select between the reading in base units ohms or millivolts and the reading converted to temperature TREND The TREND key SHIFT HOLD switches from numeric to graphic mode or from graphic to numeric mode This feature provides the user with a convenient visual dis play of temperature over time by graphing the data in a temperature vs time plot This may be used to assess settling time stability disturbances or oscillations This feature is affected by the Auto Off function If the Auto Off function is used and the unit turns off during graphing the graph will be terminated and the unit will restart in numeric mode It is recommended that the Auto Off function be turned off before starting a graphing session The time scale is displayed on the horizontal axis and is not adjustable The time scale is fixed at 6 seconds per reading allowing up to 10 minutes of data to be shown on the graph When the graph extends to the far right of the screen the graph will scroll to the left about
105. with External RJ is used reads initial TC RJ temp from probe Instrument Figure 5 1523 Menu SETUP Channel T1 Instrument Setup Instrument Fast Scan Mode OFF ON gt lt Select gt Contrast MIN 1 2 15 MAX gt lt Select gt Auto OFF OFF 1 2 3 30 Minutes Select Backlight Time OFF 1 2 3 30 Minutes Select Serial Port ON OFF gt lt Select gt Baud Rate 2400 9600 gt lt Select gt Figure 6 1523 Menu cont 11 RECALL Review Saved No Data Saved or Returns to main screen if data for data display Send Saved ENTER to send n complete RECALL to exit Delete Saved DELETE Saved Empty or Confirm DELETION Enter to Delete NEXT to Cancel Figure 7 1523 Menu cont Table 5 1524 Key Functions r P o Te Yellow Second or Special Function Key _ oiii TM SE 1st Press Max 2nd Press Min 3rd Press Ave 4th Press STD DEV Units C F 1st press Holds value on screen HOLD across bottom of screen 2nd press Releases Screen hold Enters setup menu see menu structure Saves measurement as a logged data point Quick Start Setup Arrows increment or decrement selections in an active field In Graph Mode Arrows change the scale of the graph Selects highlighted selection Saves a new selection 1st press Enters Recall Menu 2nd press Exits Recall Menu Moves down to next option on

1523, 1524 Reference Thermometer Technical Guide

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