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Fluke 1522 User's Manual

1. Model Type Range Size Repeatabilityt 1 year 5613 Pt 100 Ohm 4 wire 200 to 300 C 3 16 x 6 4 76 x 152mm 0 025 C 0 01 C 5612 Pt 100 Ohm 4 wire 200 to 450 C 3 16 x 9 4 76 x 229 mm 0 025 C 0 01 C 5627 6 Pt 100 Ohm 4 wire 200 to 300 C 3 16 x 6 4 76 x 152mm x0 085 C 20 130 5627 9 Pt 100 Ohm 4 wire 200 to 450 C 3 16 x 9 4 76 x 229mm 0 035 C 0 13 C 5627 12 Pt 100 Ohm 4 wire 200 to 450 C 1 4 x 12 6 35 x 305 mm 0 035 C 0 13 C 5610 6 10K ohm Thermistor 0 to 110 C 1 8 x 6 3 2 x 152 mm 0 02 C 0 01 C 5610 9 10K ohm Thermistor 0 to 110 C 1 8 x 9 3 2 x 229 mm 0 02 C 0 01 C 5611 10K ohm Thermistor 0 to 110 C 0 07 x 0 55 1 8x 14 mm 0 02 C 0 01 C 5611T 10K ohm Thermistor 0 to 110 C 0 11 x 1 1 2 8x 28 mm 0 02 C 0 01 C 5640 4K ohm Thermistor 0 to 60 C 1 4 x 9 6 35 x 229mm _ 0 0015 C 0 005 C 5622 05 Pt 100 Ohm 4 wire 200 to 350 C 0 5 x 100 mm 0 035 C 0 15 C 5622 10 Pt 100 Ohm 4 wire 200 to 350 C 1 0 x 100 mm 0 035 C 0 15 C 5622 16 Pt 100 Ohm 4 wire 200 to 350 C 1 6 x 100 mm 0 035 C 0 15 C 5622 32 Pt 100 Ohm 4 wire 200 to 350 C 3 2 x 100 mm 0 035 C 0 15 C 5618 6 Pt 100 Ohm 4 wire 200 to 500 C 1 8 x 9 3 2 x 152 mm 0 035 C 0 01 C 5618 9 Pt 100 Ohm 4 wire 200 to 500 C 1 8 x 9 3 2 x 229 mm 0 035 C 0 01 C 5618 12 Pt 100 Ohm 4 wire 200 to 500 C 1 8 x 9 3 2 x 305
2. 55 11 Troubleshooting 44 4 4 oco o 6 Oe Ooo Se ese 57 11 1 An Error Message Is Displayed 57 11 2 Downloading Autologged Data 58 11 3 Placement of Infrared Dongle for IR Data Transfer 59 11 4 CEComments 6e 9999 eee Ee ee Res 60 11 4 1 EMG Directives sag aeii e a Gea edet Por deg o t a Rea gost 60 lL41 Immunity Testing iux a aoe A 3n oy y SOROR 60 11 41 2 Emission Testing ei oues par tees oem UR RA edn ee ae Bee e 61 11 4 2 Low Voltage Directive Safety 22er 61 lii Figures and Tables Table 1 Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 International Electrical Symbols s 1 Front View Dadas a eumd 17 Top and Side View cae osos o b lm mx eas 19 INFO CON Connector oss kk Rob RR RR E 21 Infrared Dongle x 22m eae ERES 23 Battery Installation ees 25 12V DC Power Source Polarity eo muasi 27 Probe Wiring Diagrams e 30 Operating Modes Flowchart llle 32 RS 232 Winng 0g ws y RW dox e m e voy 47 Infrared Dongle Position lee 60 1 Before You Start Symbols Used 1 1 Before You Start Symbols Used Table 1 lists the International Electrical Symbols Some or all of these symbols may be used on the instrument or in this manual Table 1 International Electrical Symbols Symbol
3. 7 7 7 8 7 9 button stores the selection If the MODE button or CLR button is pressed with out pressing ENT the unit remains unchanged Once the unit is selected subse quent measurements will appear in that unit After the Min Max and Delta x modes are initiated their values are automatically converted when changing units between C K F or R Changing units from Q to any temperature unit or visa versa reinitializes the Min Max and Delta x modes Any previously Min Max and Delta x values are lost Note When measuring in units of ohms make sure that the appropriate probe type has been selected in the Cal Mode menu For example to measure a resis tor between 0 and 400 ohms set the units to ohms and select the appropriate probe type such as CVD To measure a resistor between 400 and 500K ohms set the units to ohms and select the appropriate probe type such as THERM Rate This mode is identified by Rate 00000 that appears on the display This mode allows you to set the samples that are transmitted from the serial port The sample for a 2 wire and a 4 wire probe is approximately one second and for a 3 wire probe is approximately two seconds For example if the rate is set to 2 every other sample is sent to the serial interface A value of 0 disables transmission The Up and Down buttons are used to increase or decrease the value for the underlined digit The ENT button moves to the next digit If the ENT button
4. 7 9 20 each date segment and the ENT button to move to the next date segment on the right Press ENT when the date is correctly entered Press CLR to move to the next function without changing the date MDue This function shows the date the instrument is due for calibration and allows it to be set The meter calibration due date is regularly checked against the pres ent date and if the calibration has expired the user is alerted with the message Mtr cal expired The message disappears only when the instrument is recalibrated and the meter calibration due date is set to a future date To set the meter calibration due date use the Up and Down buttons to set each date seg ment and the ENT button to move to the next date segment to the right Press ENT when the date is correctly entered Press CLR to move to the next func tion without changing the date CAL1 and CAL2 The CAL1 and CAL2 calibration parameters calibrate the instrument s PRT range and thermistor range respectively These parameters directly affect the accuracy of the instrument and are only to be altered by an authorized quali fied technician as part of a regular instrument calibration operation If the in strument is ever reinitialized these parameters are reset to O Refer to the calibration procedure in Section 9 Use the Up and Down buttons to set the value and press the ENT button to store and continue Press CLR to move to the next function without changing the
5. The probe calibration has expired Have the probe calibrated and the calibration due date reset Mtr cal expired The meter calibration has expired Have the instrument calibrated and the calibration due date reset Invalid Passcode The passcode entered was not correct Check the passcode on the Passcode Notice sent with the instrument The instrument display is blank when normally it should show measurements 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 Uploading params Probe parameters have been edited The probe parameters were ed ited in the CAL Mode and either the MODE button was pressed while in the CAL Mode of the MODE button was pressed after scrolling through the CAL mode and leaving the PDue parameters After the parameters have been uploaded into the INFO CON probe connector the meter advances to the next display mode or to the next function in the CAL Mode 57 1522 Handheld Thermometer Readout User s Guide 58 11 2 Problem Solution While attempting to measure re sistance the display shows an in correct value Poor or incorrect connection of the probe A common mistake is to connect the wires of the probe to
6. Hart Scientific 9 1522 Handheld Thermometer Headout User s Guide Rev 5B2202 Fluke Corporation Hart Scientific Division 799 E Utah Valley Drive e American Fork UT 84003 9775 USA Phone 1 801 763 1600 Telefax 1 801 763 1010 E mail support hartscientific com www hartscientific com Subject to change without notice e Copyright O 2005 Printed in USA Rev 5B2202 Table of Contents 1 Before You Start 1 1 Symbols Used ee we cosmos som m e RS 1 1 2 Safety Information 2 1 2 1 WARNINGS ect o3 iaci Fuge He ae eA ee Bh Nove PUE X 2 1 2 2 CAUTIONS 4X inane i a cel a dd 3 1 3 Authorized Service Centers ooo lll 4 2 Introduction 7 3 Specifications and Environmental Conditions 9 3 1 SpeGcIfICatlOnS scs Ro a RI UR OU ERR s RU 9 32 Environmental Conditions lll ln 10 3 3 Warranty sc vo Sy ear d SE ES X x Uy ee eS 10 4 QOnmckStarl 2 22292 92 Rx coxa oro ws B 4 1 Unpacking s usce asse GR er a ee Se EL 13 4 2 Use Proper Care with the 1522 and Accessories 13 4 3 Learn About the Features and Components 13 4 4 Connect the Probe 2 30 0 sss b ERU RR 14 4 5 Connect the Power Source lll 14 4 6 Switch the Power Qn s so ea e soe o o e 14 4 7 Measure Temperature llle 14 5 Parts and Controls 17 54 Front Vi Wire cuor
7. accurate within 50 ppm 0 2Q e 10 KQ four wire resistor accurate within 50 ppm 0 5Q e 40 KQ four wire resistor accurate within 50 ppm 20 e 100 KQ four wire resistor accurate within 50 ppm 50 e 500 KQ four wire resistor accurate within 75 ppm 37 5Q Each resistor must be attached with an INFO CON probe connector The 250 1000 and 400 resistors must be programmed with the CVD probe type with units set to ohms The 4 KQ 10 KQ 40 KQ 100 kQ and 500 KQ resistors must be programmed with the THERM probe type with units set to ohms Calibration Procedure Calibration requires adjustment of the CALI and CAL2 parameters at 100 and 10 kQ respectively see Section 7 9 20 The calibration parameters can be accessed from the front panel by pressing the MODE button and holding it for three seconds releasing it then pressing the ENT button see Section 7 9 You must enter the pass code to continue see Section 7 9 4 The step by step pro cedure is as follows 1 Connect the 100 resistor Adjust the CAL1 parameter by subtracting the measured error For example if the resistor is exactly 100 000 2 and the 1522 measures 100 0290 CALI should be adjusted by subtracting 0 029 from the current value of CALI 2 Verify the accuracy at 0Q 250 1000 and 4000 3 Connect the 10 kQ resistor Adjust the CAL2 parameter by subtracting the measured error For example if the resistor is exactly 10 0000 KQ and the 1522 measures 10 00
8. 95 F Do not operate the instrument in an environment colder than 5 C 41 F or warmer than 50 C 122 F The instrument operates safely under the following conditions e Operating temperature range absolute 5 50 C 41 122 F full accuracy15 35 C 59 95 F e Ambient relative humidity 15 5096 e Pressure 75kPa 106kPa e Vibration should be minimized e Altitude less than 2 000 meters e Indoor use only Warranty Fluke Corporation Hart Scientific Division Hart warrants this product to be free from defects in material and workmanship under normal use and service for a period as stated in our current product catalog from the date of shipment 3 Specifications and Environmental Conditions Warranty This warranty extends only to the original purchaser and shall not apply to any product which in Hart s sole opinion has been subject to misuse alteration abuse or abnormal conditions of operation or handling Software is warranted to operate in accordance with its programmed instruc tions on appropriate Hart products It is not warranted to be error free Hart s obligation under this warranty is limited to repair or replacement of a product which is returned to Hart within the warranty period and is determined upon examination by Hart to be defective If Hart determines that the defect or malfunction has been caused by misuse alteration abuse or abnormal condi tions or operation or handling Hart will repair the pr
9. CI CN 1D 2 C1 O 97 os qa Short Hart Scientific 3 E Hart Scientific Short a2 II a2 I O J1 TI alll O Four wire Connection Three wire Connection Two wire Connection Figure 7 Probe Wiring Diagrams 30 7 Display Functions Display Functions The insturment operates in any of several modes which determine what infor mation is visible in the lower alphanumeric portion of the display The MODE button sequences through the menu functions This button can be pressed re peatedly until a desired mode is set The various modes are listed below in the order they appear Also refer to Figure 8 Blank No data shown Min Max Display minimum and maximum measurements CLR to re set Demand Logging Store readings up to 100 on demand in the memory registers Auto Logging Store readings up to 10 000 automatically in memory at user selected intervals Delta x Display delta from reference measurement ENT to set refer ence Units C O F K R Set the units of measurement Rate 00000 Set the period for serial transmission Resol XXX XXX Set the display resolution CAL MODE Set probe and instrument calibration parameters MODE button must be held for three seconds Note Units Rate and Resol are temporary modes The instrument returns to Blank mode if left in any of these modes when the power is cycled 31 1522 Handheld Thermometer Readout User s Guide Each of these operating modes is
10. Description NU AC Alternating Current e AC DC Battery Mm MA CE Complies with European Union Directives DC Double Insulated Electric Shock Fuse PE Ground Hot Surface Burn Hazard Read the User s Manual Important Information Off O gt Ol eH On 1522 Handheld Thermometer Readout User s Guide Symbol Description amp Canadian Standards Association US CATI OVERVOLTAGE Installation CATEGORY II Pollution Degree 2 per IEC1010 1 re fers to the level of Impulse Withstand Voltage protection provided Equipment of OVERVOLTAGE CATEGORY II is energy consuming equipment to be supplied from the fixed installation Examples include household office and laboratory appliances The European Waste Electrical and Electronic Equipment WEEE Directive C TIC Australian EMC Mark i 2002 96 EC mark 1 2 Safety Information Use this instrument only as specified in this manual Otherwise the protection provided by the instrument may be impaired The following definitions apply to the terms Warning and Caution WARNING identifies conditions and actions that may pose hazards to the user CAUTION identifies conditions and actions that may damage the in strument being used 1 2 1 A WARNINGS To avoid personal injury follow these guidelines DO NOT use this unit in environments other than those listed in the User s Guide Follow all safety guidelines list
11. PRT 200 C to 962 C 328 F to 1764 F Thermistor 50 C to 150 C 58 F to 302 F Temperature Accuracy PRTt 200 C to 100 C 0 025 C 0 045 F 100 C to 400 C 0 05 C 0 09 F 400 C to 800 C 0 1 C 0 18 F 800 C to 962 C 0 15 C 0 27 F Temperature Accuracy 50 to 25 C 0 005 C 0 009 F 2 25 kQ thermistort 25 C to 50 C 0 01 C 0 018 F 50 C to 75 C 0 03 C 0 054 F 75 C to 100 C 0 08 C 0 144 F Temperature Accuracy 0 to 50 C 0 005 C 0 009 F 10 kQ thermistort 50 C to 75 C 0 01 C 0 018 F 75 C to 100 C 0 02 C 0 036 F 100 C to 125 C 0 05 C 0 09 F 125 C to 150 C 0 1 C 0 18 F Temperature Accuracy 0 to 50 C 0 006 C 0 011 F 100 KQ thermistort 50 C to 150 C 0 009 C 0 016 F Resistance Resolution 0 0010 Temperature Resolution 0 001 C F K R Probe IEC 751 or DIN 43760 PRT Callendar Van Dusen calibrated PRT nominal 100Q ITS 90 calibrated 25Q or 100 PRT YSI 400 series or equivalent 2252Q thermistor Steinhart Hart thermistor polynomial nominal R 25 C 2KQ to 100kQ Probe Connector Hart INFO CON connector Maximum Acceptable Probe 10Q Lead Resistance Probe Excitation Current PRT 0 5 mA Thermistor 5 yA Measurement Period 1 second 1522 Handheld Thermometer Readout User s Guide 10 3 2 3 3 Digital Filter Exponential with adjustable time cons
12. a fast one second measurement cycle Displays maximum minimum and delta temperatures Uses a unique factory assigned passcode to protect programmed settings Displays measurements and settings on a high contrast LCD display Communicates with other equipment or a computer using an RS 232 se rial interface Can be powered from its AC adapter or rechargeable battery Stores up to 10 000 readings with reading units date time and label in autologging mode at user selected intervals Stores up to 100 readings with reading units date time and label in de mand logging mode Contains an infrared interface for fast downloading of logged data Stores 25 labels 8 characters for easy recognition of logged data Stops logging once maximum readings are stored Memory must be cleared to store additional data Starts and stops logging both from the front panel and through the RS 232 and infrared interfaces Allows user to select a label for every reading stored in demand logging mode 3 Specifications and Environmental Conditions Specifications 3 1 Specifications and Environmental Conditions Specifications Resistance Range 0Q to 500 kQ Resistance Accuracy PRT one yeart 0Q to 25 2 0 0020 259 to 400 2 0 008 80 ppm of reading Resistance Accuracy thermistor one yeart 0Qto 2 KQ 0 40 2 kQ to 200 kQ 0 02 200 ppm of reading 200 KQ to 500 kQ 0 03 300 ppm of reading Temperature Range
13. be used with probes that have two three or four wires Three wires con necting the probe sensor instead of two allows the instrument to partially cancel 7 Display Functions CAL MODE 7 9 15 7 9 16 7 9 17 7 9 18 measurement error due to the resistance of the wires With four wires the in strument can completely cancel the error The internal measurement circuit is configured differently depending on the number of wires Note The instrument tries to calculate a measurement even if the wire settings are incorrect Therefore the Probe Wires setting must match the actual number of wires or loss of accuracy will result see Section 6 6 Use the Up and Down buttons to set the value and press the ENT button to store and continue PCal This function shows the date the probe was calibrated and allows it to be set The date is stored in the INFO CON connector and is used simply for refer ence Use the Up and Down buttons to set each date segment and the ENT but ton to move to the next date segment to the right Press ENT when the date is correctly entered Press CLR to move to the next function without changing the date PDue This function shows the date the probe is due for calibration and allows it to be set The date is stored in the INFO CON connector The probe due date is regu larly checked against the present date and if the calibration has expired the user is alerted with the message Prb cal expired The message
14. described in the sections that follow Blank Mode any mode Qe 3 seconds Cal Mode Figure 8 Operating Modes Flowchart 7 1 Blank Mode This mode is identified by Blank that temporarily appears on the display 32 7 Display Functions Min Max Mode 7 2 7 3 7 3 1 In this mode nothing appears on the alphanumeric portion of the display Use this mode if you are only interested in the latest measurements and want to sim plify the appearance of the display The message Prb cal expired Mtr cal expired Recharge Needed or Probe is locked may be displayed Min Max Mode This mode is identified by Min Max that temporarily appears on the display In this mode the maximum and minimum measurements taken since the last time the function was cleared appears on the display The minimum appears on the left and the maximum appears on the right The resolution of the displayed values match the current setting of the thermometer as set in the Resolution mode see Section 7 8 Pressing the CLR button at anytime while in this mode clears the minimum and maximum values setting them to the last measurement Both the minimum and maximum are reset to 0 C 32 F when the instrument is powered up Refer to Section 7 6 concerning how changing units affects Min Max The message Prb cal expired Mtr cal expired Recharge Needed or Probe is locked may be displayed Demand
15. downloaded in binary or ASCII format into a single ASCII text file or multiple ASCII text files based on the labels The approxi mate download times are as specified in the following table Download Mode Download Time IR Binary 90 secondst IR ASCII 22 minutest Serial 22 minutest Times apply for 10 000 readings The LogWare software also provides a utility to view and change logging labels Delta x Mode This mode is identified by Delta x that temporarily appears on the display In this mode the delta between the measurement and a previously stored refer ence value appears on the right side of the display The reference value appears on the left The resolution of the reference value may be changed using the Resolution mode see Section 7 8 if necessary The ENT button stores the present measurement as the reference value Refer to Section 7 6 concerning how changing units affects Delta x The message Prb cal expired Mtr cal expired Recharge Needed or Probe is locked may be displayed Units This mode is identified by Units C O F K R that appears on the display This mode allows you to select the unit of measurement C for degrees Celsius Q for resistance in ohms F for degrees Fahrenheit K for Kelvin and R for Rankine The Up and Down buttons are used to select one of the displayed units The underline cursor indicates which of the units is selected The ENT 7 Display Functions Rate
16. mm 0 035 C 0 01 C Probe performance specifications may vary based on use handling and calibration Call an Authorized Service Center see Section 1 3 for more complete specifications IR Dongle The Model 2374 IR dongle Figure 4 and the Model 9934 LogWare or 9935 LogWare II software allow logged data to be downloaded to a 22 5 Parts and Controls Accessories computer and written to a file quickly These items must be purchased sepa rately Figure 4 Infrared Dongle LogWare Software The LogWare software are data acquisition software packages that can be used with your thermometer to collect and graph data The software also allows the user to download data logged from the instrument s memory to a computer and access to some of the instrument s features INFO CON Download Adapter The Model 2372 INFO CON download adapter and Model 9972 INFO CON Download Adapter software can be used to program an INFO CON connector with new probe calibration coefficients without using the thermometer readout The Model 2372 INFO CON Down load Adapter has a 9 pin serial cable that connects to a serial COM port on a PC The INFO CON Download Adapter software can then be used to read edit and write changes to the INFO CON connector Carrying Cases There are two types of cases available for your 1522 ther mometer readout The Model 9318 case is a hard case for carrying the ther mometer readout and a 12 probe The Mod
17. reads battery status information from the power control circuit and handles communications through the serial port Power Control Circuit The power control circuit manages the electrical power that drives all the circuits It handles switching between the two sources of power DC input and battery pack regulates voltages monitors the state of battery charge and manages battery charging Analog to Digital Converter and Measurement Circuit The ADC takes an analog signal produced by the probe and converts it to a digital value that can be read by the micro controller The ADC used in the 1522 was selected for its excellent resolution linearity and stability The measurement circuit built around the ADC was carefully designed for accuracy and stability to match the ADC The measurement circuit allows complete rejection of probe wire resis tance effects that would otherwise seriously limit accuracy Offsets from sources such as thermoelectric EMF are also completely rejected This is done using current reversal technique with the probe current alternating at a rate of one cycle per second Self heating is minimized by using low sensing currents For PRTs the current is only 0 5 mA For thermistors the current is only 0 005 mA 5 Parts and Controls Accessories 5 5 Accessories The 1522 s accessories and their features are described here AC Adapter The AC adapter recharges the internal battery pack and may also be used to supp
18. the calculated sensor resistance equal to this difference Four wire probes allow complete rejection of wire resistance and should be used when the best accuracy is desired The 1522 wire setting must be set to match the actual number of wires of the probe see Section 7 9 14 6 General Operation INFO CON Connector 6 6 Temperature is generally sensed at the tip of the probe To get an accurate tem perature measurement the probe sheath should be well immersed with ade quate depth and fit into the medium to be measured CAUTION Probes are fragile devices that can be easily damaged by me chanical 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 pre cautions Do not allow probes to be dropped struck bent or stressed 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 INFO CON Connector The probe connects to the top of the 1522 using a Hart INFO CON connector see Figure 3 on page 21 The probe connector fits snugly and locks into place when it is fully inserted The connector includes a memory device that stores the unique characteristics of the p
19. the corresponding coefficients Probe Type Description Coefficients ITS 90 PRTs calibrated to ITS 90 R 01 a b c d a4 and b4 IEC751 PRTs RTDs conforming to IEC 751 none CVD PRTs characterized by the RO Alpha Delta and Beta Callendar Van Dusen equation YSI 400 Thermistors matching the YSI 400 series none THERM Thermistors characterized by the therm bO b1 b2 and b3 istor polynomial Each of the conversion options is explained in the following sections along with their associated coefficients when applicable The probe type and associ ated coefficients are stored in the INFO CON probe connector Use the Up and Down buttons to select the probe type and the ENT button to store and continue Each of the coefficients that follow the probe type are set in the usual way Use the Up and Down buttons to set each digit and the ENT button to move to the next digit to the right Press ENT when all digits are entered ITS 90 The ITS 90 type is for PRTs calibrated and characterized using the Interna tional Temperature Scale of 1990 equations Probes that use this linearization curve generally have excellent accuracy 0 005 to 0 025 C a wide operating range 180 C to 420 C or higher The coefficients that appear when ITS 90 is selected are R 01 a b c d a4 and b4 These should be set to the coefficient values that appear on the PRT calibration certificate according to the foll
20. the new parameter value is uploaded into the INFO CON probe connector when the CAL Mode is exited by pressing the MODE button or after scrolling through the menu and leaving the PDue pa rameter see Section 7 9 16 The message Uploading params is displayed After the parameters have been uploaded into the INFO CON probe connector the meter advances to the next menu item Always check to ensure that the pa rameters have been written to the INFO CON connector by disconnecting the probe or by turning the instrument off and on and then rechecking the parameters The calibration menu is entered by pressing and holding the MODE button for three seconds CAL MODE appears on the display Press the ENT button to advance Press the MODE button while in the calibration menu to exit and to advance to the display mode that follows the display mode that was active be fore the CAL Mode was entered The functions contained in the CAL Mode are listed below in the order they ap pear In any of the functions the ENT button stores the displayed value or se lection and advances to the next function The CLR button can be used to cancel changes to a value or selection and to skip to the next function Use the ENT button to move from Mtr Due to Prb Due and then to Time Use the CLR button to quickly advance through the remaining functions Many of the functions are in the passcode protected part of the CAL Mode You must enter the correct passcode to acce
21. 0 standards 61
22. 00 12 31 Read probe serial number se rial ser Ser XXXXXXXXXX ser 100231A Set probe serial number se rial XXxxXXXXXXX ser 001 0to 9 AtoZ asd Read probe type p robe pr pr ITS 90 IEC751 pr ITS 90 CVD YSI400 THERM Set probe type p robe IT S 90 pr ITS 90 IE C751 C VD IEC751 Y SI400 T HR CVD YSI400 THERM Read ITS 90 R 01 or CVD RO r 0 r0 r0 999 999 r0 100 035 Set ITS 90 R 01 or CVD RO r 0 n r0 100 106 1 to 900 Read ITS 90 coefficient alb c d a4 b4 a a b c d a4 b4 a 2 8644101E 05 9 999999E 99 Set ITS 90 coefficient a b c d a4 b4 n a 2 8644E 5 1 0 to 9 9e 18 Read CVD coefficient al phayde ltabe ta al al de be 9 99999999 al 0 00385762 Set CVD coefficient al phaj de ltabe ta n al 0 0038512 Coefficient Dependent Read THERM thermistor b0 b1 b2 b3 b3 b0 b1 b2 b3 b3 9 944070E 12 coefficient 9 999999E 99 Set THERM thermistor b0 b1 b2 b3 n b3 9 944E 12 E 18 coefficient 50 8 Communications Interface Communication Command List Response Response Description Command Example Format Example Range Read probe wires w ires wi wi 9 wi 4 Set probe wires w ires 2 3 4 wi 4 2 3 4 Read probe calibration date pc al pcal pc yyyy mm dd pc 1999 03 28 Set probe calibration date pc al yyyy mm dd pc 1999 03 28 1971 01 01 to 2099 12 31 Read probe due date pd ue pdue pd yyyy mm dd pd 1999 03 28 Set probe due date pd ue yyyy mm dd pd 1
23. 1522 draws power either from a DC power supply the included AC adapter connected to the DC input or from the internal rechargeable battery pack To use the AC adapter plug it into a wall outlet of the appropriate voltage and insert the DC plug into the DC power input of the 1522 see Figure 2 The battery pack must first be fully charged prior to using the AC adapter see Sec tion 6 1 Switch the Power On Power is switched on and off with the power button located below and to the left of the display To switch the power on hold the power button down for at least three seconds and release To switch power off momentarily press the power button again The instrument takes a few seconds to power up initialize itself and begin normal operation During initialization the lower line of the display shows the manufacturer model number firmware version and the state of battery charge or the message External power if the AC adapter is at tached If the thermometer readout or probe calibration have expired the mes sages Prb cal expired or Mtr cal expired are displayed The 1522 reads important information about the attached probe from the INFO CON connector that is used to calculate temperature The 1522 then performs a memory check of critical parameters such as the cal ibration parameters CAL1 and CAL2 During this check the lower line of the display reads Checking Memory If a Memory Error or Memory Recover me
24. 29 kQ CAL2 should be adjusted by subtracting 2 9 from the current value of CAL2 53 1522 Handheld Thermometer Readout User s Guide 4 Verify the accuracy at 00 4kQ 10 KQ 40 KQ 100 kQ and 500 KQ 5 Set the meter calibration date to the present date see Section 7 9 18 6 Set the meter due date to a user defined date see Section 7 9 19 54 10 Maintenance 10 Maintenance e This instrument has been designed with the utmost care Ease of operation and simplicity 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 e 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 damage the LCD or the plastic outside shell e Ifa hazardous material is spilt on or inside the equipment the user is re sponsible for taking the appropriate decontamination steps as outlined by the national safety council with respect to the material e Before using any cleaning or decontamination method except those rec ommended by Hart users should check with an Authorized Service Cen ter see Section 1 3 to be sure that the proposed method will not damage the equipment e Ifthe AC adapter becomes damaged have it replaced immediately Never disassemble the AC adapter or attem
25. 999 03 28 1971 01 01 to 2099 12 31 Read filter fi Iter fi fi 99 999999 fi 0 5 Set filter fi lter n fi 0 0 0 to 60 0 Read low range calibration cl cl c1 9 999 c1 0 0121 Set low range calibration ci n c1 0 012 1 999 to 1 999 Read high range calibration c2 c2 c2 9999 9 c2 0 9 Set high range calibration c2 n c2 0 9 1980 0 to 1980 0 Read meter calibration date mc al mcal mc yyyy mm dd mc 1999 03 28 Set meter calibration date mc al yyyy mm dd mc 1999 03 28 1971 01 01 to 2099 12 31 Read meter due date md ue mdue md yyyy mm dd md 1999 03 28 Set meter due date md ue yyyy mm dd md 1999 03 28 1971 01 01 to 2099 12 31 Legend Optional Command data Returns either information n Numeric data supplied by user 9 Numeric data returned to user x Character data returned to user 51 9 Calibration Required Equipment 9 1 9 2 Calibration The 1522 should be calibrated at regular intervals to ensure that it continues to measure with proper accuracy Calibration should only be done by qualified authorized personnel Required Equipment The following items are required to test and calibrate the 1522 e QQ four wire resistor short e 25Q four wire resistor accurate within 20 ppm 0 0005Q e 100 four wire resistor accurate within 20 ppm 0 002Q e 4000 four wire resistor accurate within 20 ppm 0 008Q e 4kQ four wire resistor
26. ARNING Used batteries must be disposed of properly Check your lo cal regulations for additional information 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 charge the battery It can also be used to power the 1522 while the battery is being charged The AC adapter provided with the 1522 is intended to be used for these purposes Use only the AC 6 General Operation Power Button 6 3 6 4 adapter supplied by Hart Scientific The DC power source plugs into the DC power input on the right side of the 1522 Figure 6 12V DC Power Source Polarity WARNING The AC adapter contains high voltage circuits 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 dis connect it from any AC supply and have it replaced Do not attempt to open repair or continue using a damaged or defective AC adapter Power Button The power button controls power to the instrument and operates the backlight The following table summarizes the power button functions Function Action Power on Press and the power button for at least three seconds Power off Press the power button momentarily 1 2 second or less while the power is on Backlight on Press and hold the power button for three seconds or more while the p
27. CTOR BATTERY REMOVED BATTERY INSTALLED AND CONNECTED Figure 5 Battery Installation 25 1522 Handheld Thermometer Readout User s Guide 26 6 2 tery automatically when it s fully charged It normally takes about four hours to fully charge the battery The instrument can be operated while the battery is be ing charged CAUTION DO NOT leave the AC adapter plugged in for more than 24 consecutive hours or the battery life could be degraded The battery pack can be used for a minimum of 500 charge discharge cycles before needing to be replaced Replacement battery packs are available from the manufacturer The battery pack can be easily removed and replaced in the field by following this procedure 1 Power the 1522 off and unplug the AC adapter 2 With the 1522 facing down lift the stand to expose the battery cover see Figure 5 Remove the battery cover screw with a small Philip s screw driver Remove the battery cover to access the battery pack 3 Remove the battery pack by gently disconnecting the battery plug from the connector Note the orientation of the battery plug on the connector 4 Attach the polarized plug of the new battery pack onto the connector in the same direction as before see Figure 5 on page 25 Place the battery pack in the battery compartment Replace the battery cover and screw 6 Plugin the AC adapter and charge the new battery for a minimum of four hours for its initial charge W
28. Logging This mode is identified by Demand Logging which temporarily appears on the screen In this mode up to 100 temperature readings with units date time and label can be stored as required This mode also allows all on demand data points to be viewed The logged values can be downloaded to a PC using the serial port Demand Log Label and Data Storage This function allows data to be logged on demand and also allows data to be viewed The message Press ENT to log appears on the screen Press the ENT button to store a label with the logged value and to log the current reading into the on demand memory Press the Up or Down button to scroll through the pre viously stored values Press the CLR button to cancel storing the reading and to advance to the next function Continue pressing the ENT button to log additional readings The labels should be pre loaded into the instrument before performing on demand logging If no label is chosen the default label is applied which is the number between 1 and 100 of the reading After choosing a label the label and the reading are dis played on the second line of the display The on demand readings can then be scrolled through using the Up and Down buttons 33 1522 Handheld Thermometer Readout User s Guide 34 7 3 2 7 3 3 7 4 The labels can be pre loaded using the Windows HyperTerminal or other se rial communications program and the command LBnn znnnnnnnn as de scribed i
29. RIE rS p D Segui a S ad ee 39 7 9 2 Prb DUG 4S uode uie Na de adeo f ot e Gi Ashe RR Ip e Ro ba eR ot 39 7 9 3 Kin LIED D E A Sas A ww ee A Sees 39 7 9 4 PAssCOdS 2 9 ax ue a Rue WE ame OS s VO cd Eds 39 7 9 3 Dates s acd ed uh xe qued eub XE des Me km eo ee oe te oS 40 7 9 6 Probe Lock 5i 83359 deo ON RU SORE xS TERIS 40 7 9 7 Pris ais ent oe od OE Peu ee woe eee e 40 7 9 8 BED Ty CPP 41 7 9 9 ISO 145 234 Ba db odedd desidia a deg A 41 7 9 10 IBCISI a a A S e 43 7 9 11 A redo dois de dete di douter cub d e ele ue d 43 7 9 12 SIA re a cie aid de 43 7 9 13 TTEIERIME bi ada eo os de tr id cto Gaeta ad 44 7 9 14 Probe WIS aiaei d teur e WIRE e Eo e ee f ed 44 7 9 15 PCan ah D uii nc nor nM ncs e i i m i NM s 45 7 9 16 PD e iue Hs SSS GAT em eS Hee ee BRS Sa a See es 45 7 9 17 Digital Biter n 359 asse gue qum os HG RE Pl Seb Mag E EA 45 7 9 18 jc A naa aa A e i e AE e E REDA A 45 7 9 19 MDUS ts as ex Golan GO een a duge dew RR io dons oq 46 7 9 20 CALlandCAL2 3232 DoS D do Re See Deda gs 46 8 Communications Interface 47 8 1 8 2 ii RS 232 Connection 47 Communication Command List 48 8 2 1 Primary Commands a dee si rrt pun da e talk ae as 48 8 2 2 Calibration Commands s o es s ai eee e p eaa aa E a a a od a poa 50 9 Calibration 542 9299 99x 993 OX oe ow ow BS 9 1 Required Equipment s s ses s sowane sidari asud 53 9 2 Calibration Procedure ee 53 10 Maintenance
30. ble resident in the instrument 43 1522 Handheld Thermometer Readout User s Guide 7 9 13 THERM The THERM type is for thermistors that have unique calibration coefficients or do not match the YSI 400 specification This type of probe generally has mod erate cost a limited operating range 40 C to 150 C excellent accuracy 0 005 C to 0 01 C and excellent resolution 0 002 C This type uses the Steinhart Hart equation in the following form R T KD Q explb cb T b T b T 7 The coefficients bO through b3 are usually found on the calibration certificate of the probe These coefficients are set with the functions b0 b1 b2 and b3 In some cases the equation is used without the b2 term For this case the b2 coefficient should be set to 0 Consider the following examples Example 1 A thermistor has coefficients for the equation In R as a function of T given as a b c and d Set the instrument s coefficients to the Report of Calibration val ues as follows Coefficients Report of Calibration Value b0 a b1 b b2 c b3 d Example 2 A thermistor has coefficients for the equation In R as a function of T given as a b and c Set the instrument s coefficients to the Report of Calibration values as follows Coefficients Report of Calibration Value b0 a b1 b b2 0 0 b3 c 7 9 14 Probe Wires 44 This function sets the number of connecting wires in the probe The instrument can
31. charges more quickly when the backlight is used Probe The probe is used to sense temperature and attaches to the 1522 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 charac teristics of the probe for measurements to be accurate see Section 6 6 The 1522 can be used with various types of PRT and thermistor probes e TS 90 calibrated 25Q or 100 2 PRT e IEC 751 or DIN 43760 PRT RTD e Callendar Van Dusen calibrated 100 PRT e YSI 400 series or equivalent 22520 thermistor e Steinhart Hart thermistor polynomial nominal R 25 C 2kQ to 100kQ See Section 7 9 8 for details on the various probe types and their programming The 1522 cannot be used with thermocouples The 1522 can be used with probes having two three or four wires Three wire probes allow partial compensation for wire resistance The 1522 measures three wire probes using the following sequence It measures the sensor resis tance including the lead resistance in C2 The 1522 then directly measures the resistance in the C1 lead of the sensor and subtracts the measured C1 lead resis tance from the measured sensor resistance including the C2 lead resistance to obtain the sensor resistance used to calculate temperature Note This sequence assumes that the lead resistance of C1 and C2 are equal If C1 and C2 each have a different resistance value there will be an error in
32. d 5 If the response to the ALOG command was not 0 and the 1522 does not respond to the DAUT command turn the 1522 off then back on again and repeat steps 3 4 Placement of Infrared Dongle for IR Data Transfer The 2374 IR Dongle should be placed no further than 0 5 meters away from the infrared window on the 1522 and within a x15 angle Placement of the IR dongle within the triangle area shown below will allow correct data transmis 59 1522 Handheld Thermometer Readout User s Guide sion For best results place the IR dongle and the IR window on the 1522 at an angle of 0 and within 0 5 meters 0 5 Meters Max 15 Degrees Max x 15 Degrees Max Figure 10 Infrared Dongle Position 11 4 11 4 1 11 4 1 1 60 CE Comments EMC Directive Hart Scientific s equipment has been tested to meet the European Electromag netic Compatibility Directive EMC Directive 89 336 EEC The Declaration of Conformity for your instrument lists the specific standards to which the unit was tested The instrument was designed specifically as a test and measuring device Com pliance to the EMC directive is through IEC 61326 1 Electrical equipment for measurement control and laboratory use EMC requirements 1998 As noted in the IEC 61326 1 the instrument can have varying configurations The instrument was tested in a typical configuration with shielded grounded probe and RS 232 cables Emissions may in no
33. date 8 Communications Interface RS 232 Connection 8 8 1 Communications Interface Remote communications allows an external device such as a computer to com municate with the instrument to obtain measurement data and control its opera tion Communication is accomplished with various commands issued to the instrument through the RS 232 serial port RS 232 Connection The three conductor jack for the serial port is located on the top of the instru ment near the probe connector One serial cable is included with the instrument Additional or longer cables of three meters or less can be constructed by fol lowing the wiring diagram shown in Figure 9 NOTE The TxD line on one side connects to the RxD line on the other and vice versa To reduce the possibility of electrical interference the serial cable should be shielded with low resistance between the connector and the shield It should not be much longer than is necessary 77 GND GND RxD _ _ TxD TxD 7 RxD Figure 9 RS 232 Wiring 47 1522 Handheld Thermometer Readout User s Guide 8 2 The protocol for serial communications is 8 data bits 1 stop bit and no parity Use no flow control The baud rate is fixed at 2400 the linefeed to ON all car riage returns are followed by a linefeed ASCII decimal 10 and the duplex to HALF disabling echo The serial port can be used to trans
34. disappears only when the probe is recalibrated and the probe calibration due date is set to a fu ture date To set the date use the Up and Down buttons to set each date segment and the ENT button to move to the next date segment to the right Press ENT when the date is correctly entered Press CLR to move to the next function without changing the date If any of the parameters in the CAL Mode were changed the message Up loading params is displayed when exiting the PDue parameter After the pa rameters have been uploaded into the INFO CON connector the meter advances to the next menu item Digital Filter The digital filter helps to smooth variations in the measurements and improve resolution A negative effect of filtering is that it tends to slow the response to changes in temperature You can increase the filter time constant to further im prove accuracy and resolution or decrease the time constant to reduce the re sponse time Valid values are any number between 0 0 and 60 0 seconds A value of 0 0 disables the filter The default is 0 0 Use the Up and Down but tons to set the value and press the ENT button to store and continue Press CLR to move to the next function without changing the filter MCal This function shows the date the instrument was calibrated and allows it to be set The date is used simply for reference Use the Up and Down buttons to set 45 1522 Handheld Thermometer Readout User s Guide 46 7 9 19
35. e eS 17 23 9 Top and Side VIEW s koc RR dese ES 19 5 3 Back VIEW coo EORR A ae HS om RR X ae ES ws 20 5 4 Internal Features 2 ow ado oe xe a EG 20 5 5 AACCESSOMICS i uuu Se ets oO UE edu e e TERRE e Se OE ESOS 21 6 GeneralOperation ee ee eee eee 25 6 1 Battery 9 9 yee dup voee gare XE Gheeis 25 6 2 DC Power Source osos Ra 26 6 3 Power Button e 27 6 4 Display and Backlight o o 24 6 5 6 6 lup MMC P a id 28 INFO CON Connector ces 29 7 Display Fun ti ns ses sica esa 7 1 12 7 3 7 4 7 5 7 6 T T 7 8 7 9 Blank Modes 2241999390 AH yo wv 32 Man Max Mode sas e goa oa ede RAE amp AVR gow aoe RO SC RU 33 Demand Loggimg soe emo Eque y eee ae a 33 7 3 1 Demand Log Label and Data Storage e 33 7 3 2 D mp Data uas sce ase Roe ie et Re we wee d RR dee 34 7 3 3 Clear Lom cs uox ue eum KORR eh GR cs Be Bab a 34 Auto Logging 3 cari e gd erc SEE xx s 34 7 4 1 Clear Autol g 4 4 X argo eoe ete Re Adige e temo Rus 35 7 4 2 LOS Rat n prO ERU LAE pT Bee a Ore es 35 7 4 3 Autolog Label s 222 io ra c o ket Re ves beg ARR ERO BS 35 7 4 4 Autologged Data Storage o o 35 7 4 5 Dump Data eis dara lo RR Rp is euh SU RR de Rte cR de 36 Delta x Mode 23e woe Ese ux sme SS 36 Iu PC a e A 36 po cp DTP 37 Resolution 4e poU BS oe SUR Rudy ce e v 37 CALMODBE 5 0 denne aL edm eu a 37 7 9 1 MEDIOS asar a AREE UA CU
36. e included serial cable see Section 8 The baud rate is fixed at 2400 baud the linefeed is fixed to ON all carriage returns are followed by a linefeed ASCII decimal 10 and the duplex is fixed to Half disabling the echo Infrared Window The infrared window has no functionality 19 1522 Handheld Thermometer Readout User s Guide 20 5 3 5 4 Back View See Figure 5 on page 25 Stand The stand at the back of the 1522 can be flipped down to prop up the instrument for better viewing Battery Compartment Behind the stand is the compartment that contains the battery pack The battery pack can be accessed if necessary by opening the bat tery cover with a small Philips screwdriver see Section 6 1 Serial Number Label Also behind the stand is the serial number label that uniquely identifies the instrument Internal Features The significant components inside the 1522 are described here Battery The 1522 has an internal rechargeable battery pack that can be re charged by the AC adapter without removing the battery It can be used and re charged many times If necessary it can be easily removed and replaced see Section 6 1 Micro controller The 1522 uses a micro controller to control all its func tions The micro controller manages the measurement process retrieves mea surement data from the analog to digital converter ADC places measurements and other information on the display senses button actions
37. ed in the User s Guide Calibration equipment should only be used by trained personnel This instrument can measure extreme temperatures Precautions must be taken to prevent personal injury or damage to objects Probes may be ex tremely hot or cold Cautiously handle probes to prevent personal injury Carefully place probes on a heat cold resistant surface or rack until they reach room temperature The AC adapter can present safety concerns if misused or damaged To avoid the risk of electric shock or fire do not use the AC adapter outdoors or in a dusty dirty or wet environment If the cord case or plug of the adapter is damaged in any way discontinue its use immediately and have it replaced Never disassemble the AC adapter Use only the AC adapter provided with the instrument or equivalent adapter recommended by the manufacturer of this instrument 1 Before You Start Safety Information The AC adapter has circuits with high voltage inside that could present danger of electrical shock or fire if exposed If the AC adapter is damaged in any way or becomes hot discontinue its use immediately disconnect it from any AC supply and have it replaced Do not attempt to open repair or continue using a damaged or defective AC adapter The instrument batteries can present danger if not handled properly To avoid the risk of exposure to dangerous substances or explosion immedi ately remove the batteries and discontinue use if they leak
38. el 9321 case is a soft case with a belt clip and a probe slot 23 6 General Operation Battery 6 General Operation This section explains the details of the operation of the 1522 with its compo nents and accessories 6 1 Battery The 1522 has a built in nickel metal hydride battery pack that can power the instrument for about 18 hours before needing to be recharged The battery dis charges much more quickly if the display backlight is used The battery charge remaining or the message External Power is shown on the display when the instrument is switched on The battery percentages are approximate and should be used as general guidelines when determining the length of charge remaining The battery is recharged in situ while in place using the AC adapter Plug the AC adapter into an AC socket of the appropriate voltage as noted on the AC adapter normally 115V optionally 230V Connect the DC plug of the adapter into the DC input of the 1522 located on the right side The battery charges as necessary whether or not the instrument is switched on The power control cir cuit inside the instrument manages battery charging and stops charging the bat STAND IN VERTICAL POSITION FLUKE CORPORATION HART SCIENTIFIC DIVISION IN USA FLUKE CORPORATION HART SCIENTIFIC DIVISION MADE IN USA MODEL 1522 SERIAL NO 941234 MODEL 1522 SERIAL NO 941234 BATTERY COVER BATTERY lo O gt BATTERY PLUG BATTERY CONNE
39. emory of the unit for future download Each reading is stored with units date time and label Up to 10 000 readings can be stored in memory The message ENT to start log appears on the 1522 display Press the ENT button to begin autologging Press the CLR button to cancel and advance to the next function After pressing the ENT button the 1522 begins to log data automatically at the rate specified in the Log Rate see Section 7 4 2 and with the label chosen in Autolog Label see Section 7 4 3 The 1522 display alternates between the message ENT to stop log and Logging NN Full where NN is a number between 0 and 100 and shows the percentage of memory that contains autologged data When data is being logged all buttons are disabled except for the ENT button 35 1522 Handheld Thermometer Readout User s Guide 36 7 4 5 7 5 7 6 Press the ENT button to stop autologging and to advance to the next function Dump Data This function allows the user to download the autologged data using the serial port or print the downloaded dats to a serial printer To download using the se rial port see Section 8 of this guide before selecting Yes when prompted by Dump Data The autologged data can also be downloaded using the 2374 IR dongle with the 9934 LogWare or 9935 LogWare II software The user must purchase the IR dongle and the software from your Hart Scientific supplier Using this software the autologged data can be
40. gged data can also be downloaded using the 2374 IR dongle with the 9934 LogWare or 9935 LogWare II software The user must purchase the IR dongle and the software from Hart Scientific Using this software the demand data can be downloaded into a file in ASCII format The LogWare software also provides a utility to view and change logging labels Clear Log This function clears the on demand memory After 100 readings have been stored in the on demand memory the 1522 does not allow any more readings to be logged until the on demand memory is cleared Press the Up and Down un til Yes appears and then press the ENT button to clear the on demand mem ory Pressing the CLR button at anytime advances to the next function without clearing the memory Auto Logging This mode allows data logging to occur automatically at user selected intervals Up to 10 000 temperature readings can be stored into memory with units time date and label Multiple log sessions are appended to the memory until the memory is full The log sessions are grouped by the pre loaded labels 7 Display Functions Auto Logging 7 4 1 7 4 2 7 4 3 7 4 4 Clear Autolog This function clears the memory of all autologged data Once the 1522 has logged 10 000 readings further automatic logging is prevented until the mem ory has been cleared Pressing the CLR button cancels the Clr Autolog function and advances to the next function Pressing the ENT button a
41. ie Chao Yang District Beijing 100004 PRC CHINA Phone 86 10 6 512 3436 Telefax 86 10 6 512 3437 E mail xingye han fluke com cn 1 Before You Start Authorized Service Centers Fluke South East Asia Pte Ltd Fluke ASEAN Regional Office Service Center 60 Alexandra Terrace 403 16 The Comtech Lobby D 118502 SINGAPORE Phone 65 6799 5588 Telefax 65 6799 5588 E mail antngOsinga fluke com When contacting these Service Centers for support please have the following information available e Model Number e Serial Number e Voltage e Complete description of the problem 2 Introduction Introduction The Hart 1522 is a low cost high accuracy digital thermometer readout de signed to be used with PRTs and thermistors The unique combination of fea tures makes this instrument suitable for a wide variety of applications in industry Features and capabilities of the 1522 include the following Accepts input from platinum resistance thermometers PRTs and therm istors Works with Hart s INFO CON probe connector which is partially based on U S Patent 5 857 777 to automatically recognize the type of sensor and its characteristics Alerts the operator automatically when the probe calibration or meter cal ibration expires Measures with an accuracy of 0 025 C at 25 C with PRTs and 0 005 C at 25 C with thermistors Accepts three or four wire sensors to eliminate lead resistance errors Measures with
42. important is to understand the safety issues related to the 1522 and its accessories Be aware that potential hazards exist due to high tempera tures high voltages and battery chemicals Carefully read Section CAUTION The 1522 and any thermometer probes are sensitive instru ments that can be easily damaged Always handle these devices with care DO NOT allow them to be dropped struck stressed or overheated Learn About the Features and Components Familiarize yourself with the features and accessories of the 1522 by reading Section 5 13 1522 Handheld Thermometer Readout User s Guide 4 4 4 5 4 6 4 7 Connect the Probe The PRT or thermistor probe connects to the top of the 1522 using Hart s unique INFO CON probe connector The probe connector is inserted into the top of the instrument with the ridged to the back and fits snugly and locked into place when it is fully inserted The INFO CON probe connector includes a memory device that stores the unique characteristics of the probe allowing the 1522 to measure tempera ture accurately If your probe was purchased from Hart for use with the 1522 it should already have the connector attached and properly programmed You can use your own probe with the 1522 but you must attach it to an INFO CON connector See Section 6 6 for more information on the INFO CON connector and instructions on properly attaching the probe to the connector Connect the Power Source The
43. is pushed when the ast digit is underlined the setting is stored If the MODE button or CLR button is pressed the value remains unchanged Once the value is set measurements will be transmitted from the serial port at the given interval Resolution This mode is identified by Resol XXX XXX that appears on the display This mode allows you to set the resolution of measurements to one two or three digits after the decimal point The Up and Down buttons are used to in crease or decrease the resolution setting The ENT button stores the setting If the MODE button or CLR button is pressed the setting remains unchanged Once the resolution is set measurements are displayed and transmitted from the serial port at the given resolution if possible The resolution may be re duced if necessary for large values of temperature or resistance CAL MODE The calibration menu contains functions for setting probe and instrument cali bration parameters Press and hold the MODE button for three seconds to enter the calibration menu CAL MODE appears on the display Press the ENT button to advance 37 1522 Handheld Thermometer Readout User s Guide 38 When editing any parameter be sure to press the ENT button through the entire line of alphanumeric characters to ensure that the edits are stored Pressing any button other than the ENT button advances to the next function without storing the new value If a probe parameter is edited
44. lso ad vances to the next function Log Rate This function configures the rate at which data is stored into the memory of the 1522 The following rates are available 1 5 10 15 30 or 60 seconds 2 5 10 15 30 or 60 minutes Scroll through the rates using the Up or Down buttons until the desired rate is shown and then press the ENT button to select the rate The 1522 advances to the next function Pressing the CLR button at any time also advances to the next function Autolog Label A label is stored with each logged reading Up to 25 labels should be pre loaded into the unit through the serial port or the infrared dongle prior to autologging These labels can then be used to differentiate separate autologging sessions The same label is applied to every data point once autologging is initi ated To change this label autologging must be stopped and a new label se lected When selecting labels press the ENT button to store the displayed label or press the CLR button to revert to the previously selected label The labels can be pre loaded using Windows HyperTerminal or other serial communications program and the command LBnn nnnnnnnn as described in Section 8 2 1 The labels can also be pre loaded using the serial port or the 2374 IR dongle with the 9934 LogWare or 9935 LogWare II software available by calling an Authorized Service Center see Section 1 3 on page 4 Autologged Data Storage This function stores values to the m
45. ly power to operate the 1522 while the battery is being charged see Section 6 2 Serial Cable The serial cable is used to connect a computer or a printer to the 1522 through its serial port see Section 8 INFO CON Connector Hart s unique INFO CON connector allows the probe to be easily attached and detached It contains a memory device that stores information about the probe and automatically transfers this data to the 1522 when the probe is attached This ensures that the settings used to measure and calculate temperature always match the probe being used see Section 6 6 Figure 3 INFO CON Connector Probe The probe acts as the temperature sensor Its resistance depends on its temperature The 1522 precisely measures the resistance of the probe and uses the coefficients stored in the INFO CON connector to calculate its temperature see Section 6 5 The following probe options are available Ordering Information Cal Uncertainty and Typical Driftt Model Type Range Size Repeatabilityt 1 year 5626 Pt 100 Ohm 4 wire 200 to 660 C 1 4 x 12 or 15 0 015 C 0 03 C 6 35 x 305 or 381 mm 5628 Pt 25 Ohm 4 wire 200 to 660 C 1 4 x 12 or 15 0 015 C 0 03 C 6 35 x 305 or 381 mm 5614 Pt 100 Ohm 4 wire 200 to 450 C 1 4 x 12 6 35 x 305mm x0 025 C 0 01 C 21 1522 Handheld Thermometer Readout User s Guide Ordering Information Cal Uncertainty and Typical Driftt
46. m s documentation for details on how to do this To determine how many autologged readings are stored in the instru ment s memory send the command ALOG If the response to the ALOG command is 0 there are no readings to download To begin downloading the autologged data send the command DAUT to initiate the download process The 1522 then sends a response to the terminal program indicating that the baud rate needs to be set to 9600 The 1522 automatically switches its baud rate to 9600 baud and waits to receive this same command again at 9600 baud a b c d e In the terminal program change the baud rate setting to 9600 baud The terminal program connection may need to be disconnected and reconnected to enable the baud rate Send the command DAUT once again at the new baud rate The 1522 should immediately begin downloading the data at 9600 baud If no readings have been stored the 1522 will not respond to DAUT command When downloading is complete the 1522 automatically sets its baud rate back to 2400 baud If the terminal program was set to capture the incoming data to a file stop capturing at this time In the terminal program change the baud rate setting back to 2400 baud If you wish to abort the download process before it has completed press CLR on the front panel of the 1522 The 1522 sets its baud rate back to 2400 baud automatically Reset the terminal program s baud rate to 2400 bau
47. mit measurements to a computer or printer It can also be used to change settings of the instrument from a computer or in terface with software A full list of commands follows in Section 8 2 Commands sent to the instrument must end with an EOS character which is a carriage return ASCII decimal 13 or linefeed character ASCII decimal 10 Commands can be sent with upper or lower case letters Data returned from the instrument ends with a carriage return and a linefeed Communication Command List 8 2 1 Primary Commands The following group of commands read or set various functions Response Response Description Command Example Format Example Range Read measurement extended t emperature t t 999 999 t 125 745 C format C O F R or K 03 01 1999 mm dd yyyy 15 49 15 hh mm ss Read measurement simple f etch fetch t 999 999 t 25 587 C format rea d read C O F R or Kj me asure meas Read minimum m inimum min min 999 999 min 14 653 C C O F R or K Read maximum ma ximum max max 999 999 max 416 781 C C O F R or Kj Clear minimum and maximum cl ear clear Read data labels Ibnn 1001 1099 XXXXXXXX Lb01 BATH Note This command also sets the autolog label Set data labels Ibnnz nnnnnnnn Ib01 ENG 0to 9 AtoZ Initiate download of demand ddem ddem logged data Clear demand logged data dclr delr Read the number of demand dlog dl dl 999 dl 51 logged reading
48. n Section 8 2 1 The labels can also be pre loaded using the serial port or the 2374 IR dongle with the 9934 LogWare or 9935 LogWare II software available by calling an Authorized Service Center see Section 1 3 on page 4 Dump Data Press the CLR button anytime while in Demand Log Mode to enter this func tion This function allows the user to download the stored values using the se rial port or print the data to a serial printer To download using the serial port the 1522 must be connected to a computer using the serial cable sent with the instrument at the time of purchase Windows HyperTerminal or other serial communications program must be running Set HyperTerminal or other serial communications program to use the correct COM port and to operate at 2400 baud 8 data bits 1 stop bit no parity and no flow control Once the communi cations program is running and configured correctly press the CLR button on the 1522 until the second line of the display reads Dump Data No Select Yes using the Up or the Down buttons and then press the ENT button The demand logged data begins displaying in the terminal window and the second line displays Downloading data The instrument advances to the next function when all values have been down loaded Pressing the CLR button before or during downloading causes the download to stop and advances to the next function To exit the Demand Log Mode press the MODE button The demand lo
49. n typical applications exceed the levels required by the standard It is not practical to test all configurations as the manufacturer has no control over the probes the user may connect to the instrument Immunity Testing The instrument was tested to the requirements for industrial locations This al lows the instrument to be used in all types of locations from the laboratory to the factory floor Criterion B was used for Radiated RF IEC 61000 4 3 and Conducted RF IEC 61000 4 6 Therefore the operation of the instrument may be affected by excessive electromagnetic interference and the instrument may not perform within the normal specification limits in such an environment Criterion C was used for Electrostatic Discharge ESD IEC 61000 4 2 and 11 Troubleshooting CE Comments 11 4 1 2 11 4 2 Electric Fast Transit EFT Burst IEC 61000 4 4 If the instrument is sub jected to EFT conditions at 2kV the instrument may require the user to cycle the power to return to normal operation Emission Testing The instrument fulfills the limit requirements for Class A equipment but does not fulfill the limit requirements for Class B equipment The instrument was not designed to be used in domestic establishments Low Voltage Directive Safety In order to comply with the European Low Voltage Directive 73 23 EEC Hart Scientific equipment has been designed to meet the IEC 1010 1 EN 61010 1 and the IEC 1010 2 010 EN 61010 2 01
50. ns to select ON or OFF and press the ENT button to store the selected setting and continue If probe lock is set to ON the serial number of the currently attached probe is stored The instrument can only be used to display temperature with the probe that was attached when the probe lock was set ON If probe lock is ON and a different probe is attached the instrument returns to Blank Mode and displays the message Probe is locked Measuring is disabled Probe lock ON also dis ables access to the probe parameters that follow in the menu If probe lock is OFF the instrument can be used with any probe To lock the in strument with a new probe set probe lock OFF attach a new probe and then set probe lock ON again Prb This function displays the serial number of the probe and allows it to be set The probe serial number is stored in the INFO CON probe connector Use the Up and Down buttons to set each digit and the ENT button to move to the next digit on the right Press ENT when all digits are entered 7 Display Functions CAL MODE 7 9 8 7 9 9 Prb Type This function specifies the type of probe and its characterization It allows the instrument to use the appropriate algorithm to calculate temperature from the measured resistance of the probe The functions that follow the probe conver sion function for setting probe characterization coefficients depend on the se lected probe type The table below lists the probe types and
51. oduct and bill the pur chaser for the reasonable cost of repair To exercise this warranty the purchaser must forward the product after calling or writing an Authorized Service Center see Section 1 3 The Service Center assumes NO risk for in transit damage THE FOREGOING WARRANTY IS PURCHASER S SOLE AND EXCLU SIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EX PRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OR MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR USE HART SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAM AGES OR LOSS WHETHER IN CONTRACT TORT OR OTHERWISE 11 4 Quick Start Unpacking 4 1 4 2 4 3 Quick Start This section briefly explains the basics of setting up and operating your ther mometer readout Unpacking Carefully unpack the 1522 and accessories and inspect them to make sure all components are present and in satisfactory condition Verify that the following items are present e 1522 Thermometer Readout e AC Adapter clamp on ferrite installed e Serial Cable e User s Guide e Report of Calibration e Calibration Label e Passcode Notice e INFO CON Connector e Clamp on ferrite with installation instructions for probe e Probe optional must be purchased separately If all items are not present contact an Authorized Service Center see Section 1 3 Use Proper Care with the 1522 and Accessories First and most
52. on This button turns the instrument on or off If the power is on pressing the button for three seconds toggles the backlight on or off see Section 6 3 Note using the backlight drains the battery more quickly ENT enter button This button is pressed to accept changes to a setting and in some modes to store the most recent measurement CLR clear button This button cancels changes to a setting and in the MIN MAX mode resets the minimum and maximum to the last measurement Up and Down buttons These buttons are used to change values and settings MODE button This button advances through operating modes and program ming functions see Section 7 5 Parts and Controls Top and Side View 5 2 Top and Side View Top View Probe Connector Side View Serial Port Infrared Window DC Power Input Figure 2 Top and Side View The top and side of the 1522 feature the probe connector DC power input se rial port and infrared window Probe Connector At the top of the thermometer readout is the opening where the probe connector is inserted The probe must be connected using an INFO CON probe connector to measure temperature see Section 6 6 DC Power Input The AC adapter plugs into the DC power input to recharge the battery and to power the instrument while the battery is being charged see Section 6 2 Serial Port The RS 232 serial port provides a means of connecting the 1522 to a computer or a printer using th
53. or become damaged Never allow the batteries to be shorted heated punctured or dropped If the instrument is physically damaged immediately remove the batteries to insure that they do not become shorted While removed from the instrument store the batteries in a location so that they do not come into contact with metal or fluids that might short circuit the batteries and where they are safe from excessive temperatures Used batteries must be disposed of properly Check your local regulations for additional infor mation Never dispose of batteries in fire which may result in explosion with the possibility of personal injury or property damage DO NOT use this instrument in combination with any probe RTD or thermistor to measure the temperature or resistance of any device that is electrically energized Severe electric shock personal injury or death may occur 1 2 2 A CAUTIONS To avoid possible damage to the instrument follow these guidelines If the instrument is dropped struck or handled in a way that causes inter nal or external physical damage immediately unplug the AC adapter re move the batteries discontinue use and contact the factory for repair Do not attempt to disassemble or repair the instrument batteries or AC adapter Refer repairs or replacement components to the manufacturer The instrument and thermometer probes are sensitive and can be easily damaged Always handle these devices with care DO NOT allow them
54. ower is on and the backlight is off Backlight off Press and hold the power button for three seconds or more while the backlight is on Display and Backlight The display shows measurement data and other relevant information depending on the selected mode The upper part of the display continually shows the most recent measurement with large digit format A new measurement is produced and displayed every 27 1522 Handheld Thermometer Readout User s Guide 28 6 5 second The display unit associated with the measurement is shown in smaller type to the right of the measurement The possible display units are degrees Celsius C resistance in ohms 2 degrees Fahrenheit F Kelvin K and degrees Rankine R The display units can be easily changed accessing the Units mode see Section 7 6 The lower part of the display has various functions depending on the selected mode It has smaller alphanumeric characters It can be used to display mini mum and maximum measurements delta x measurements or measurements stored in memory It is also used to view and set various operating parameters The mode is easily changed using the MODE button See details on the vari ous modes beginning with Section 7 The display has a backlight that can be switched on for better viewing in dim light The backlight is switched on and off by pressing and holding the power button for three seconds see Section 6 3 above Note The battery dis
55. owing table All coefficients except R 01 have values greater than or equal to 1 and less than or equal to 1 i e 1 value 1 The instrument does not allow values outside this range to be entered If a value less than 1 is entered the coeffi cient defaults to 1 If a value greater than 1 is entered the coefficient defaults to 1 Unused coefficients must be set to 0 41 1522 Handheld Thermometer Readout User s Guide Coefficients Certificate Value R 01 a a4 b4 Rtpw a5 a6 a7 a8 a9 a10 or a11 b5 b6 b7 b8 or b9 c6 or c7 d a4 or a5 b4 or b5 Consider the following examples Example 1 A PRT was calibrated to ITS 90 and its calibration certificate states values for coefficients R 273 16K a4 b4 a8 and b8 Set the instrument s coefficients to the certificate values as follows Coefficients Certificate Value R 01 a b C d a4 b4 R 273 16K a8 b8 0 0 0 0 a4 b4 Example 2 A PRT was calibrated to ITS 90 and its calibration certificate states values for coefficients R 273 16K a5 and b5 Set the instrument s coefficients to the cer tificate values as follows 42 7 Display Functions CAL MODE 7 9 10 7 9 11 7 9 12 Coefficients Certificate Value R 01 R 273 16K a a5 b b5 C 0 0 d 0 0 a4 a5 b4 b5 IEC751 The IEC751 probe type is for standard PRTs RTDs conforming to the IEC751 o
56. pt to repair it e If the instrument is used in a manner not in accordance with the equip ment design the operation of the thermometer readout may be impaired or safety hazards may arise 55 11 Troubleshooting An Error Message Is Displayed 11 11 1 Troubleshooting In case you run into difficulty while operating the 1522 this section provides some suggestions that may help you solve the problem Below are several situa tions that may arise followed by possible causes of the problem and suggested actions you might take An Error Message Is Displayed The following table lists possible error messages their causes and suggested actions Problem Solution Recharge Needed The battery is low and needs to be recharged When this message first appears the user has approximately 30 minutes of charge left If the battery is not recharged the 1522 continues to operate until the bat tery drops below 0 and then automatically shuts itself off after dis playing the error message The display shows The instrument is unable to detect that a probe is connected Check that a probe with a properly pro grammed INFO CON connector is attached Probe is locked The incorrect probe is attached The meter is set to accept only the probe with the given serial number Attach the correct probe or have the instrument properly programmed for the new probe See Section 7 9 6 Probe Lock Prb cal expired
57. r DIN 43760 standards This type of probe is generally low cost and has a wide operating range 180 C to 420 C or higher but has limited accuracy 0 15 C to 4 C There are no user programmable coefficients associated with this probe type Temperature is converted from resistance based upon the stan dard PRT table resident in the instrument CVD The CVD Callendar Van Dusen type is used with PRTs that have unique cali bration coefficients or do not match the IEC 751 specification This type of probe is generally low cost has a wide operating range 180 C to 420 C or higher and has moderate accuracy 0 05 C to 1 C This type uses the Callendar Van Dusen equation to calculate temperature from resistance 1 gt 0 100 100 r C 3 ZI 8 E i ol if J t 0 100 100 100 A100 The coefficients RO a 6 and B can be set by the user using the functions RO Alpha Delta and Beta respectively When editing Alpha there is an assumed 10 exponent i e 3 8500 is actually 0 0038500 YSI 400 The YSI 400 type is for 22520 thermistors matching the characteristics of the YSI 400 series of thermistors This type of probe generally is low cost has a limited operating range 40 C to 150 C good accuracy 0 1 C to 0 4 C and excellent resolution 0 002 C There are no user programmable coefficients as sociated with this probe type Temperature is converted from resistance based upon a standard Y SI 400 ta
58. r the time to be set correctly Read identification information i dn idn lt manufacturer gt Hart lt model gt 1522 lt serial number gt 95001 lt firmware version gt 1 24 Read model and firmware v ersion ver ver lt model gt ver 1522 version firmware version 1 24 Legend Optional Command data Returns either information 49 1522 Handheld Thermometer Readout User s Guide Response Response Description Command Example Format Example Range n Numeric data supplied by user 9 Numeric data returned to user x Character data returned to user 8 2 2 Calibration Commands The following group of commands directly or indirectly affect the accuracy of the instrument These commands should only be used by qualified authorized personnel Calibration parameters can only be changed if protection is dis abled by entering the proper pass code using the command pas ddddd Entering an invalid passcode or cycling the power re establishes protection of the calibration parameters The parameters can be read without disabling passcode protection Response Response Description Command Example Format Example Range Unprotect calibration parame pas scode nnnnn pas 12345 ters with the pass code Read passcode protection pas pas ps 9 Ps 0 Oori state Read date da te date da yyyy mm dd da 1999 03 28 Set date da te yyyy mm dd da 1999 03 28 1999 01 01 to 21
59. rect value for that parameter Press any key and the dis play reads Contact Factory Contact a Hart Authorized Service Center see Section 1 3 for assistance in guiding you through the process of reentering these parameters Note The parameters stored in the INFO CON Probe Wires Probe Type Probe Parameters are not checked by the meter during memory testing Downloading Autologged Data The 1522 Handheld Thermometer readout stores up to 10 000 readings in its autolog memory These readings can be downloaded to a computer using the RS 232 serial port By default the 1522 serial port operates at 2400 baud However when downloading autologged readings over the serial port or print ing to a serial printer the instrument temporarily changes its baud rate to 9600 baud to reduce the download time The following steps should be followed to download autologged data using the serial port 1 Connect the instrument to a COM port on the computer using the serial cable 2 Runa terminal program such as Windows Terminal or HyperTerminal 11 Troubleshooting Placement of Infrared Dongle for IR Data Transfer 11 3 a Setup the terminal program to use the correct COM port and operate at 2400 baud 8 data bits 1 stop bit no parity no flow control b Ifyou want to save the downloaded data to a file configure your ter minal program to capture the incoming text and save it to a text file Refer to your terminal progra
60. robe allowing the instrument to measure tem perature accurately Generally the probe is purchased with the connector at tached and programmed by the factory Connectors can be purchased separately and installed onto probes by the user The INFO CON can be programmed di rectly from the 1522 or from a PC with the optional Model 2372 accessory and 9972 software If it is necessary to install the INFO CON onto a probe in the field follow the diagram below for connecting the wires of the probe to the connector terminals CAUTION Before opening the INFO CON case be sure to be grounded with an ESD strap to avoid damaging the memory chip For four wire probes one pair of wires attaches to terminals C1 and P1 and the other pair attaches to terminals C2 and P2 C1 and C2 source current and P1 and P2 sense the potential If a shield wire is present it should be connected to the GND terminal see Figure 7 A two wire or three wire probe can also be used with the instrument The two wire probe is connected by one wire to the C1 and P1 shorted terminals and the other wire to the C2 and P2 shorted terminals Recognize that accuracy may be significantly degraded using a two wire connection because of wire re sistance A three wire probe is connected by attaching the common wires to the 29 1522 Handheld Thermometer Readout User s Guide C1 and P1 terminals and the other single wire to the C2 and P2 terminals which are shorted together
61. s currently in memory Read number of readings in alog alog log 9999 log 10 autolog memory 48 8 Communications Interface Communication Command List Response Response Description Command Example Format Example Range Set autolog mode on off alog ON OFF alog 0N ON or OFF A Note Exit Autolog menu to use this command After alog ON is sent the buttons are disabled until the command alog OFF is sent Clear autolog memory aclr aclr Initiate download of autologged daut daut data A Note Read Section 11 2 on downloading autologged data before at tempting to use this command Read autolog interval aint aint int 99 secs or min int 60 secs or min Set autolog interval aint n aint 30 1 5 10 10 A 15 30 60 A Note See Section 7 4 2 120 300 600 for specifics on log interval 900 1800 3600 Read delta x measurement dx dx dx 999 999 dx 0 118C C O F R or Kj Set delta x reference to pres sd x sd ent measurement Read unit u nit u u C O F R or K u C Set unit u nit C O F K R u C C O F K R Read serial sample rate sa mple sa sa 99999 sa 10 Set serial sample rate sa mple n sa 60 0 to 10 000 Read resolution digits re solution res res 9 res 3 Set resolution digits re solution n res 0 1103 Read time ti me time ti hh mm ss ti 16 23 45 Set time ti me hh mm ss ti 08 15 00 00 00 00 to A Note You must set 99 hours minutes and seconds fo
62. ss those functions see Section 7 9 4 Mtr Due View the date the instrument is due for calibration Prb Due View the date the probe is due for calibration Time View and set the real time clock time of day Passcode Enter the passcode to advance to the protected functions Date View and set the real time clock date Probe Lock Lock or unlock operation of the unit with the current probe only Prb Set the probe serial number Prb Type Select the probe type and temperature calculation R 01 ITS 90 only Sets the R 273 16K probe coefficient a ITS 90 only Set the a5 a6 a7 a8 a9 a10 or all probe coefficient b ITS 90 only Set the b5 b6 b7 b8 or b9 probe coefficient c ITS 90 only Set the c6 or c7 probe coefficient d ITS 90 only Set the d probe coefficient a4 ITS 90 only Set the a4 or a5 probe coefficient 7 Display Functions CAL MODE 7 9 1 7 9 2 7 9 3 7 9 4 b4 ITS 90 only Set the b4 or b5 probe coefficient R 0 CVD only Set the RO probe coefficient Alpha CVD only Set the alpha probe coefficient Delta CVD only Set the delta probe coefficient Beta CVD only Set the beta probe coefficient b0 Therm only Set the bO probe coefficient b1 Therm only Set the b1 probe coefficient b2 Therm only Set the b2 probe coefficient b3 Therm only Set the b3 probe coefficient Probe Wires Set the number of wires of the probe PCal Set the probe calibration da
63. ssage Invalid Passcode is displayed and the instrument is re turned to the display mode that follows the function that was active when the CAL Mode was entered Each individual instrument has its own unique passcode The passcode number is given on a notice provided with this instrument The equipment manager is responsible for keeping the passcode number stored in a proper location and ensuring that it is not lost or forgotten If necessary the passcode can be re stored by contacting the manufacturer To enter the passcode use the Up and Down buttons to set each digit of the passcode and the ENT button to move to the next digit on the right Press ENT twice when all digits are entered to move to the next function If the passcode is entered correctly the next function in the CAL Mode appears Date This function displays the present date and allows it to be changed This func tion is placed in the pass code protected part of the CAL Mode since the cali bration due warning messages depend on the present date as well as the stored due dates Use the Up and Down buttons to set each date segment and the ENT button to move between the date segments Press ENT when all digits are en tered to save the changed values The CLR button moves to the next function without saving the changed values Probe Lock This function locks or unlocks operation of the unit with the presently con nected probe only To set probe lock use the Up and Down butto
64. ssage is displayed see Section 12 1 Troubleshooting for additional infor mation and instructions Measure Temperature After initialization the upper line of the display begins to show temperature measurements sensed by the probe Place the probe into the object where you 4 Quick Start Measure Temperature want to measure the temperature DO NOT force the probe or otherwise allow it to be bent stressed or overheated It can be easily damaged if misused For further suggestions on handling the probe and using the 1522 and probe to measure temperature accurately see Section 6 5 For information on the various modes of operation of the 1522 see Section 7 15 5 Parts and Controls Front View 5 Parts and Controls The functions of the various features of the 1522 are described below 5 1 Front View The front of the 1522 features the LCD display and control buttons DISPLAY POWER AND BACKLIGHT BUTTON ENT BUTTON ENTER CLR BUTTON CLEAR MODE BUTTON UP AND DOWN BUTTONS Hart Scientific 1522 THERMOMETER READOUT Figure 1 Front View 17 1522 Handheld Thermometer Readout User s Guide 18 Display The display shows the current temperature or resistance measure ment on the large numeric upper portion of the display It can also show a vari ety of information on the smaller alphanumeric lower portion such as minimum maximum delta x and other instrument settings Power and Backlight butt
65. tant 1 to 60 seconds Remote Communications RS 232 serial infrared Display LCD 6 digit x 7 segment with 16 character alphanumeric Operating Temperature Range 0 to 40 C 32 to 104 F absolute 15 to 35 C 59 to 95 F full accuracy Power 12 VDC AC adapter included Rechargeable NiMH batteries included Safety OVERVOLTAGE Installation CATEGORY Il Pollution Degree 2 per 1EC1010 1 refers to the level of Impulse Withstand Voltage protec tion provided Equipment of OVERVOLTAGE CATEGORY II is en ergy consuming equipment to be supplied from the fixed installation Examples include household office and laboratory appliances Size 7 75 H x4 2 Wx1 5 D 20 cm H x 11 cm W x 4 cm D Weight 0 4 kg 1 0 Ib Accuracy specifications apply from 15 to 35 C Accuracy specifications over the entire absolute operating range are 1 5 times the stated values Temperature accuracy does not include probe uncertainty or probe characterization errors The practical measurement range may be limited by the sensor Environmental Conditions Although the instrument has been designed for optimum durability and trou ble free operation it must be handled with care The instrument should not be operated in an excessively dusty dirty or wet environment Maintenance and cleaning recommendations can be found in the Maintenance section of this manual For full accuracy operate the instrument in ambient temperatures between 15 35 C 59
66. te PDue Set the probe calibration due date Filter Set the digital filter time constant MCal Set the instrument calibration date MDue Set the instrument recalibration due date CALI Set the instrument s PRT range calibration parameter CAL2 Set the instrument s thermistor range calibration parameter The calibration functions are described in detail in the following subsections Mtr Due This function displays the date the instrument is due for calibration The date cannot be changed with this function To edit the meter due date refer to Sec tion 7 9 19 Prb Due This function displays the date the probe is due for calibration The date is stored in the INFO CON probe connector The date cannot be changed with this function To edit the probe due date refer to Section 7 9 16 Time This function displays and sets the time of day The time is always set dis played or printed in 24 hour format To set each time segment use the Up and Down buttons Use the ENT button to move between time segments and to save the changed values The CER button moves to the next function Passcode All functions below this function are protected by a passcode so that only au thorized users can access them The passcode must be entered correctly to con tinue If the passcode is entered incorrectly or the MODE or CLR buttons are 39 1522 Handheld Thermometer Readout User s Guide 40 7 9 5 7 9 6 7 9 7 pressed the me
67. the wrong terminals Check the wir ing carefully see Figure 7 Open shorted or damaged sensor or lead wires Check the resis tance across the sensor using a handheld DMM Also check the resis tance 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 in sulation leakage Stem conduction error Make sure the stem of the probe is im mersed in the medium with adequate depth and a tight fit Electrical interference Intense radio frequency radiation near the 1522 or the probe can induce noise into the measurement circuits re sulting in erratic readings Try eliminating the source of interference or moving the 1522 to a different location A well grounded shielded ca ble should be used for the probe Memory Check Error Memory Recover X A critical parameter CAL1 CAL2 or Passcode is corrupt and the in strument can recover the correct value for that parameter Press any key and the display reads Check Settings Press any key again to resume normal operation Also check other settings in the thermome ter if used such as filter units and resolution The number follow ing the message is used by authorized technicians Memory Invalid A critical parameter CAL1 CAL2 Passcode Meter Due Date Meter Cal Date or Serial Number is corrupt and the instrument cannot re cover the cor
68. to be dropped struck stressed or overheated DO NOT leave the AC adapter plugged in for more than 24 consecutive hours or the battery life could be degraded Probes are fragile devices which can be 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 in stability and loss of accuracy Observe the following precautions DO NOT allow probes to be dropped struck bent or stressed DO NOT overheat probes beyond their recommended temperature range DO NOT allow any part of the probe other than the sheath to be im mersed in fluid DO NOT allow the probe hub or wires to be exposed to excessive temper atures 1522 Handheld Thermometer Readout User s Guide e Keep the probe wires clean and away from fluids 1 3 Authorized Service Centers Please contact one of the following authorized Service Centers to coordinate service on your Hart product Fluke Corporation Hart Scientific Division 799 E Utah Valley Drive American Fork UT 84003 9775 USA Phone 1 801 763 1600 Telefax 1 801 763 1010 E mail support hartscientific com Fluke Nederland B V Customer Support Services Science Park Eindhoven 5108 5692 EC Son NETHERLANDS Phone 31 402 675300 Telefax 31 402 675321 E mail ServiceDesk fluke nl Fluke Int l Corporation Service Center Instrimpex Room 2301 Sciteck Tower 22 Jianguomenwai Daj

Fluke 1522 User's Manual

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