HP 972A / 973A User's Guide - CSL-EP
Contents
1. Adjustment Tolerance counts Step Function Range Input Signal limits PHA STA 7 v 1000V 1000 V 3 3 8 380 0 V 100 Hz 6A or 6B 2 21 29 9 400 V 380 0 V 5 kHz C1 3 60 49 10 380 0 V 20 kHz Z 120 91 11 3 800 V 5 kHz C2 3 60 49 12 y 4 3 800 100 Hz as 21 29 13 3 800 V 20 kHz 120 91 14 38 00 V 5 kHz C3 3 60 49 15 40 V 38 00 V 100 Hz 24 29 16 38 00 V 20 kHz 120 91 17 m py 40 mv_ 38 00 mv 100 Hz 7 42 48 41 18 400 mV 380 00 mV 100 Hz E 44 44 19 1000V 1000 V 100 Hz 12 14 20 400 pA 380 0 21 21 21 77 M 4000 3800 pA E 32 132 22 40 mA 38 00 mA 32 132 23 T 400 mA 380 0 mA 40 40 24 10A 10A 10 00 A 8 2 12 12 25 380 0 uA 100 Hz 61 61 28 400 HA 380 0 2 kHz 61 61 27 4000 wa 9800 uA 100 Hz 61 61 28 3800 uA 2 kHz ES 61 61 Calibration Table Adjustment Tolerance counts Step Function Range Input Signal limits 29 38 00 100 t61 61 40 mA 30 mA 38 00 mA 2 kHz 61 61 31 400 mA 380 0 mA 100 Hz 61 61 32 380 0 mA 2 kHz 61 61 33 10 00 A 100 Hz 19 19 34 RAA AU 10 00 A 2 kHz 19 19 35 Short zero adjus2. 1 20 Diode ee va RR 1 20 Capacitance 1 20 Frequency Volts 1 21 Frequency Amps 1 21 Temperature 1 22 Temperature HP 973A 1 22 dBm HP 973A 1 22 Adjustments 6 1 Calibration Table 6 1 Replaceable Parts Accessories 6 4 Disassembly 6 5 Declaration of Conformity Safety Summary The CAUTIONS and WARNINGS which appear on the following pages must be followed to ensure operator safety and to retain the operating condition of the Multimeter 1 Do not use this product beyond its specifications or for uses not intended for this product as identified by the product functions ranges and hazards as indicted below 2 To minimize possible electric shock hazard condition connect only two leads at any one time to any of the multimeter terminals 3 To prevent possible electric shock hazard condition when using the current function do not leave one probe connected to the circuit under test and the other probe disconnected exposed and readily accessible touchable Safety Symbols Indicates the operator must refer to an explanation in this manual 1 Indicates terminals at which dangerous voltages may exist WARNING TO AVOID ELECTRICAL SHOCK or damage to the multimeter do not apply more than 1000 Vdc or 1000 Vrms between any terminal and earth ground Use caution wh
3. Range most functions AC input value Frequency Reference value Relative Elapsed time Min Max HU KY Wio Wa Vo Bargraph Active for all functions except E 4 2 2 D Capacitance Temperature l AC DC dBm Audio ES 2 Power on Rd First beep at power on Second beep when beginning to make measurements SS Single beep f f Z BEEP Indicates any valid function key press Indicates a new High or Low value recorded when in Min Max function Steady repeating beep Indicates when measurement is steady when using Auto Hold function Rapid repeating beeps Indicates wrong input terminals used for function selected Indicates an overload condition at the measurement terminals Continuous tone Indicates a resistance of 20 O when using the Continuity function Auto Power Off Auto Power Save Pairs of beeps for 30 seconds Long beep just before power off Cancel by changing function switch position or pressing any key 513 Calibration and Adjustment Required Test Equipment The source used for the calibration should have an output accuracy as good or better than that listed in the specifications Calibration Procedure Environmental range for calibration 23 C 5 C lt 80 RH Calibration interval 1 Year 1 Disconn
4. Operator protection from electric shock hazard is provided by a double insulated enclosure Refer to the Safety Summary for maximum voltage specifications When servicing use only Replaceable Parts Accessories Disassembly WARNING Always disconnect the test leads before opening the case DECLARATION OF CONFORMITY according to ISO IEC Guide 22 and EN 45014 Manufacturer s Name Hewlett Packard Company Personal Measurements Operation Manufacturer s Address 815 14th Street S W Loveland Colorado 80537 U S A declares that the products Product Name Handheld Multimeter Model Number HP 971A HP 972A HP 973A HP 974A Product Options None conforms to the following Product Specifications 1990 Incl Amend 1 1992 EN61010 1993 010 1 1992 Safety IEC 1010 01 CSA 022 2 1 UL 1244 EMC CISPR 11 1990 EN55011 1991 Group 1 Class A IEC801 2 1991 EN50082 1 1992 4 kV CD 8 kV AD IEC 801 3 1984 EN50082 1 1992 3 V m IEC 801 4 1988 EN50082 1 1992 0 5 kV Signal Lines Supplemental Information The product herewith complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC amended by 93 68 EEC inclusive 93 68 EEC and carries the CE mark accordingly Loveland Colorado April 1 1994 po ih Jim White QA Manager European Contact Your local Hewlett Packard Sales and Service Office or Hewlett Packard GmbH Department
5. Standards Europe Herrenberger StraBe 130 D 71034 B blingen FAX 49 7031 143143 Warranty Service Limited 3 Year Warranty What is Covered The HP 972A or HP 973A Multimeter is warranted by Hewlett Packard against defects in materials and workmanship for three years from the date of original purchase If you sell your unit or give it as a gift the warranty is automatically transferred to the new owner and remains in effect for the original three year period During the warranty period we will repair or at our option replace at no charge a product that proves to be defective provided you return the product shipping prepaid to a Hewlett Packard service center What is Not Covered This warranty does not apply if the product has been damaged by accident of misuse or as the result of service or modification by other than an authorized Hewlett Packard service center No other express warranty is given The repair or replacement of a product is your exclusive remedy ANY OTHER IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS IS LIMITED TO THE THREE YEAR DURATION OF THIS WRITTEN WARRANTY Some states provinces or countries do not allow the exclusion or limitation or incidental or consequential damages so the above limitation or exclusion may not apply to you The warranty gives you specific legal rights and you may also have other rights which vary from state to state province to province or country to country Service Hewle
6. 80 RH max 40 C to 50 C 70 RH max no condensation Storage Temperature 25 to 60 C 70 RH max no condensation Display reading rate ACV DCV Diode Continuity Approximately 2 3 second Frequency Approximately 1 second Capacitance Approximately 0 03 to 2 second AC DC Approximately 0 5 to 1 second Bargraph reading rate Battery life Approximately 600 hours Approximately 23 second DC Voltage 72A 73A Range Resolution 519 Input Resistance Accuracy 40 mV 10 pV 0 3 5 0 396 5 MQ 400 100 pV TOM nomina 4V 1 mV 11 MQ nominal 0 19 1 40 V 10 mV 0 2 1 400 V 100 mV 10 MQ nominal 1000 V 1V t 0 296 1 Normal Mode Rejection Ratio 60 dB 9 50 or 60 Hz Effective Common Mode Rejection Ratio 1 imbalance gt 120 dB 9 50 or 60 Hz Specifications AC Voltage HP 972A Average responding calibrated to display rms Accuracy Input Impedance Range Resolution 490 Hz to 50 Hz to 1 kHz to 5 kHz to Fiheminal 50 Hz 1 kHz 5 kHz 20 kHZ 40 mV 10 t 196 10 Not Specified 10 MQ lt 70 pF 400mV 0 1 mV 196 3 Not Specified 4V 1 mV 1 8 11 MQ 50 pF 40 V 10 mV 1 5 3 3 6 19 0 59 400V 0 2 0 5 2 10 MQ lt 50 pF 1000 V 1V 1 2 40 Hz to 500 Hz Not Specified Com
7. RED LEAD BLACK LEAD Current Measurements COMMON 0 to 400 mA ALL Measurements Frequency Amps Measurements Switch Position Display se 10A DC Current AC Current Frequency 10 mA to 10 A 10 mA to 10 A 2 Hz to 10 kHz mA DC Current AC Current Frequency 10 uA to 0 4 A 10 uA to 0 4 A 2 Hz to 10 kHz uA DC Current AC Current Frequency 0 1 uA to 4 mA 0 1 A to 4 mA 2 Hz to 10 kHz Capacitance 10 pF to 1000 uF de Diode Test Auto Diode Test 0 to 2 V 0 to 2 V Resistance Continuity Temperature in F Temperature in C 0 1 Q to 40 MQ alarm at 20 112 F to 302 F 80 C to 150 C mV DC volts AC volts dBm Temperature in F Temperature in C 10 uV to 400 mV 10 uV to 400 mV 59 9 to 5 7 dBm 58 F to 12925 F 50 C to 700 C y DC Volts DC AC Volts 1 mV to 1000 V to 1000 V y AC volts Frequency dBm to 1000 V 2 Hz to 200 kHz 19 9 to 62 2 dBm TAC input value is shown in secondary display Function Keys Press Power Operation 3 Automatic power after 30 minutes Alarm sounds 30 seconds before power off Power off if input lt 80 V or lt 400 mA Power save if input gt 80 V or gt 400 mA last measurement displayed power consumption is reduced Press any key or change any function to cancel Defeat by holding the T D
8. part number or HP part number fuse for replacement purposes 1 15 Maintenance Troubleshooting Problem Possible Cause Suggested Action Unit won t turn on Dead Batteries Replace batteries Unit won t turn off Input limit exceeded Remove test leads and press any key to reset Display flashes and Rapid beeps Input limit exceeded Remove test leads and press any key to reset Test leads in wrong terminal for measurement function Change test leads or function switch position Battery Annunciator on Low battery voltage Replace batteries Unable to measure current 10 A or mA uA Open input protection fuse Check fuse Connect test lead between V input terminal and 10A or mA pA terminal Unit will rapidly beep if fuse is OK Replace fuse if no eep Cleaning Wipe instrument with a soft rag dampened with soap and water Do not immerse in water Do not use chemical cleanser or solvents Replaceable Parts Accessories Refer to the disassembly diagram on page 6 5 1 16 Specifications Calibration period one year minimum Specifications apply at 23 C 5 C lt 80 RH Accuracy of reading number of digits Temperature Coefficient Accuracy X 0 1 C 10 C to 18 C 28 C to 55 C General Do not expose product to moisture or rain Do not use product in flammable atmosphere Operating Temperature 10 to 50 C Humidity 0 C to 40 C
9. HP 972A and 973A Multimeter User s Guide Part Number 00972 90002 March 1995 Copyright Hewlett Packard Company 1994 1995 All Rights Reserved REL AUTO BB BB Sub 2 44 40 21 un Win f N 5 uto Ran BE 40 21 02 23 44 HP 972A and 973A Multimeters Table of Contents Safety Summary Safety Symbols Maximum Overvoltage Limitations Probes and Test Leads Operation zal we uade pe Terminals Shutter amp Test Leads Function Switch Function 6 6 Function Keys Function Switch Matrix Calibration and Adjustment Required Test Equipment Calibration Procedure Maintenance Battery Replacement Fuse Replacement Troubleshooting Cleaning Replaceable Parts Accessories Specifications 1 17 iste AS 1 17 DC 1 17 AC Voltage HP 972A 1 18 AC Voltage HP 973A 1 18 AC DC Voltage HP 973A 1 19 DG Current zs v lE RR 1 19 AG Current 24 7S wee ees 1 20 Resistance 1 20
10. ect all inputs from the multimeter and open the case as described on page 6 5 2 Install new batteries described below and close the cover Turn the multimeter on and allow a 30 minute warm up Open the case 3 Setthe multimeter function and range and the source output to the values specified at each step in the table on page 6 1 4 When appropriate make the adjustments indicated in the table to bring the multimeter display within the limits CAUTION Dangerous voltages are present during the calibration procedure Calibration should only be performed by qualified service technicians Use a non conductive adjustment tool 1 14 Maintenance Operator protection from electic shock hazard is provided by a double insulated enclosure Refer to pages 1 4 and 1 5 for maximum voltage specifications When servicing use only specified replacement parts Battery Replacement Replace the battery when the symbol appears in the display or before calibration Replace both batteries at the same time Use high quality type AA alkaline IEC LR6 batteries Remove the batteries if the multimeter is to be stored for extended periods of time Refer to the disassembly drawing on page 6 5 Fuse Replacement Fuse locations are shown in the diagram on page 6 5 Fuses are listed in the replaceable part list on page 6 4 See fuse check procedure in the Troubleshooting table below CAUTION For continued protection use only the specified manufacturer
11. egins again at the lowest range Select select Press this key to use the functions indicated in yellow on the multimeter See table on page 1 8 To test display hold this key when turning meter on HP 973A Not all annunciators turned on during the display test 5 Operation Function Keys and Function Switch Matrix Function Relative Percent Min Max Average Data Hold Auto Hold Range pA mA e e e e 10A e Hz Amps e e dF 7 e 1 e e e e e 6 e 1 e 12 6 e e e e e Hz Volts e dBm 3 2 Zero adjust when display shows 99 on lowest range Secondary display shows reference value 5 Secondary display shows AC input voltage 3 Secondary display shows elapsed time in minutes i Secondary display and bargraph updates with input value 7 Bargraph not available B Changes input attenuator frequency is always auto range 1 12 Low Battery indicator Replace batteries when on Main Display Annunciators shown inside front cover Number of digits is set by range and function Displays O L to indicate an overload condition Entire display flashes if Display Input overvoltage or During Amps fuse check Secondary Display Shows
12. en working with voltages above 60 Vdc or 42 Vpeak Ensure test leads are in good condition WARNING POSSIBLE ELECTRICAL SHOCK Do not make measurements if the case is damaged or the rear cover is removed Remove all electrical inputs before removing the rear cover WARNING POSSIBLE ELECTRICAL SHOCK or FIRE HAZARD Do not expose this multimeter to rain or moisture Do not operate the multimeter in the presence of flammable gases or fumes Safety Summary WARNING POSSIBLE ELECTRICAL SHOCK Calibration and performance tests are to be performed by qualified personnel only Do not attempt calibration or test procedures unless qualified to do so CAUTION avoid damage to the multimeter for inputs above 250 Vdc or Vac disconnect the test leads before changing functions Do not exceed the maximum input limits shown in the following table Maximum Overvoltage Limitations AC and DC Voltage Functions 1000V MAX indicates the maximum voltage between input terminals and earth is 1000 V dc or ac rms Do not use the multimeter on any ACV circuit where the maximum impulse overvoltage may be more than 4000Vpk or any DCV circuit where the maximum impulse overvoltage may be more than 2500Vpk between the COM and VOLT terminals Excessive impulse overvoltage can damage the multimeter voltage functions Do not measure branch circuits CAT II over 600V to earth nor service panel circuits CAT III over 300V to earth Safety Su
13. key for 2 seconds while applying power 271 Relative Percent Action Main Display Secondary Display Makes the last displayed measurement the reference Each measured value relative to the reference value difference Reference value Calculates the percentage change from the reference Each measured value as a percent change of the reference value Reference value Cancels the Relative function Measured Value Range Perform a zero adjust when using the 400 Q range or 40 mV range and displayed value is less than 99 by shorting the test leads and pressing this key Perform a zero adjust on the 10 nF Capacitance range with the leads open Cycle power to erase the stored zero adjustment Operation Press Minimum Maximum 1 Action Main Display Secondary Display 2 Begin recording of minimum and maximum values Each measured value Elapsed time KY Display recorded maximum Maximum measurement Time of Maximum Display recorded minimum Minimum measurement Time of Minimum Display last recorded measurement Latest measurement Elapsed time Pause recording of d minimum and maximum values Holds display Total elapsed time _ Resume recording of minimum and maximum values Each measured value Elapsed time Press and hold 1 second to cancel 1 A
14. larm Tone when input lt 20 Q Diode Measurement current 0 5 mA nominal 0 6 V Open circuit voltage lt 3 2 Vpeak Displayed Voltage 0 V to 2 000 V Input protection 660 Vrms sinewave Accuracy 1 2 Resolution 1 mV 1 20 Capacitance Specifications Range Resolution Accuracy 10 nF 10 pF 100 nF 100 pF 1000 nF 1 nF are ee 10 uF 10 nF 100 uF 100 nF 2 1000 uF 1 uF ee 1 After zero adjust of input leads Method used Charge Discharge of capacitor under test Maximum display 1199 Frequency Volts Frequency Range Resolution Accuracy Input Voltage rms agit 2 Hz to 99 99 Hz 0 01 Hz 2 V to 400 V 90 Hz to 999 0 Hz 0 1 Hz DS aa 660 Vrms 900 Hz to 9999 Hz 1Hz t 0 0296 1 0 4 V to 400 V 9 00 kHz to 99 99 kHz 10 Hz 0 8 V to 100 V 100 Vrms 90 kHz to 200 kHz 100 Hz 2 Vto 100 V Frequency Amps Frequency Range Resolution Accuracy Input Current rms 2 Hz to 99 99 Hz 0 01 Hz 90 Hz to 999 0 Hz 0 1 Hz 0 02 1 50 uA to 10A 15 A fused 900 Hz to 9999 Hz 1Hz Response time 3 sec max on fixed range 1 21 Specifications Temperature 5 kQ 25 C Thermistor probe Measurement Range 80 to 150 112 to 302 Resolution 0 19 0 2 Accuracy 0 39 C 0 5 F 1 Accuracy does not include 5 kO Thermistor err
15. mmary Function Maximum Operating Input e 10A t 10 A dc or ac rms 600 V mA or pA 500 mA dc or ac rms 250 V Capacitance Diode Test Resistance Continuity 660 Vrms sinewave Temperature 660 V rms 2 Hz to 10 kHz Frequency 100 V rms 10 kHz to 200 kHz N yV 1000 Vdc or Vrms sinewave Probes and Test Leads 1 Always inspect probes before use Do not use test leads whose insulation has cuts cracks or other damage that may result in reduced electric shock protection 2 Keep insulation surface clean between the probe tip connector and the finger guards 3 If probes other than the ones specified are to be used with the multimeter be sure the probes and their leads are rated for the voltage and current to which they will be subjected Do not exceed the voltage ratings for the multimeter 4 Probes supplied with this multimeter are rated for use up to 1000Vrms or Vdc Operation 1 Terminals Shutter amp Test Leads SAFETY SHUTTER Slide up to open shutters for current measurement inputs Must have the function switch in one of the Current Measurement positions to open shutter Close shutter to change function switch to any other measurement function RED LEAD DC amp AC Voltage RED LEAD Diode Resistance Current Measurements Capacitance Frequency Volts 0 A to 10 A Temperature Continuity and Frequency Amps Measurements dBm Measurements
16. mon Mode Rejection Ratio 1 kQ imbalance gt 60 dB DC to 60 Hz Response time 2 seconds maximum AC Voltage HP 973A True rms calibrated for sinewave Accuracy Input Impedance Range Resolution 40 Hz to 50 Hz to 1 kHz to 5 kHz to PV hominal 50 Hz 1 kHz 5 kHz 20 kHZ aw T RT 1 3 Not Specified 10 MQ lt 70 pF 1 mV 1 8 11 MQ lt 50 pF 40 V 10 mV 0 7 8 5 1 296 4 296 15 400V 100mV 10 MQ 50 pF 1000 V 1V t 196 4 40 Hz to 500 Hz Not Specified 1 18 Measurement range 40 Hz to 1 kHz 1 kHz to 20 kHz 40 mV to 400 V range 1000 V range 4 V to 400 V range Response time lt 2 seconds on fixed range Crest factor lt 3 Common Mode Rejection Ratio 1 kQ imbalance gt 60 dB DC to 60 Hz 5 to 100 of range 100 V to 1000 V 10 to 100 of range AC DC Voltage HP 973A True rms computed from acV dcV Specifications Accuracy Input Range Resolution DC 40 Hz to DC 1 kHz to DC 5 kHz to Impedance 1 kHz 5 kHz 20 kHZ nominal 4V 1 mV 11 MQ lt 50 pF 40 V 10 mV 1 4 1 5 6 3 18 400 V 100 mV lg 10 MQ 50 pF zw 19 t 1000 V 1V DC Ms 500 li Not Specified Measurement range DC 40 Hz to 1 kHz DC 1 kHz to 20 kHz 4 V to 400 V range 1000 V range 4 V to 400 V range 5 to 100 of range 200 V to 1000 V Respon
17. or Temperature HP 973A K type Thermocouple probe o G o F Measurement Range 50 to 700 58 to 1292 Resolution 1 qe Accuracy 296 2 2 4 1 Accuracy does not include K type Thermocouple error dBm HP 973A 600 1 mW reference Accuracy Function Input dBm Input Voltage 40 Hz to 1 kHz ACmV 51 8 dBm to 5 7 dBm 2 0 mV to 400 mV 0 3 dBm Not specified 11 8 dBm to 5 7 dBm 0 2 V to 0 4 V 0 2 dBm ACV 5 7 dBm to 53 3 dBm 0 4 V to 360 V B t 0 2 dBm t 0 7 dBm t 0 2 dBm 58 3 dBm to 62 2 dBm 360 V to 1000 V 40 Hz to 500 Hz Not specified 1 22 Adjustments 973A 972A Calibration Table CAUTION Dangerous voltages are present during the calibration procedure Calibration should only be performed by qualified service technicians Use a non conductive tool Adiustment Tolerance counts Step Function Range Input Signal limits 972A 973A 1 Short 1 stl 2 Sel 380 0 mV 1 1 8 4 3 40 mV 38 00 mV 2 1 18 16 4 400 V 380 0 V 3 1 8 4 5 y 3 800 V 4 1 8 4 6 40 V 38 00 V 5 1 8 4 Calibration Table
18. se time lt 5 seconds on fixed range Crest factor lt 3 10 to 100 of range Common Mode Rejection Ratio 1 kQ imbalance gt 60 dB DC to 60 Hz DC Current Range Resolution Accuracy Input Resistance Maximum Input 100 nA 0 59 a 0 5 2 lt 550 0 0 89 0 5A f doe 10 uA 0 8 2 0 5 A fused lt 400 mA 100 uA 1 0 2 10A 10 mA 0 05 Q 15 A fused 1 19 Specifications AC Current Accurac Input Range Resolution 49 Hz to 2 KHz Resistance Maximum Input 400 uA 100 nA poet 4 A 1 uA POS 0 5 Arms fused 40 mA 10 pA 1 5 4 T 400 mA 100 uA sj 10A 10 mA 0 05 0 15 Arms fused HP 972A average responding HP 973A rms responding crest factor 3 specified for 596 to 10096 of range Resistance Max Open Range Resolution Accuracy Test Current Circuit Voltage 400 Q 100 m 0 296 1 1 1 0 8 mA 3 2V 4 0 kQ 19 lt 80 uA 40 KQ 100 t 0 296 1 10 400 kQ 100 Q 1 1 uA lt 1 1V EN O 4 0 MQ 1 kQ 0 5 1 110 nA 40 MQ 10 t 1 296 1 After zero adjust of input leads Zero adjust range up to 9 9 Q Continuity Open circuit voltage 3 2 Vpeak Input protection 660 Vrms sinewave Resolution 100 mQ Measurement Current 0 8 mA maximum Displayed resistance 0 Q to 400 Q A
19. t 1 1 1 36 ae 380 0 Q 8 8 37 4kQ 3 800 kQ 8 8 38 Q 40 KQ 38 00 kQ 8 8 39 400 kQ 380 0 kQ 8 40 4 MQ 3 800 MQ 20 20 41 40 MQ 38 00 MQ 40 40 42 9 400 0 Q to 100 Q Tone below approx 20 Q 43 2V 1 000 V 12 12 44 100 pF 90 0 pF 9 2 29 29 45 10 uF 9 00 uF 10 42 12 12 46 10 nF Open zero adjust 1 1 47 Jb 100 nF 90 0 nF 11 2 21 21 48 10 nF 9 00 nF 21 21 49 1000 nF 900 nF 12 12 50 1000 uF 900 uF 29 29 51 Hz V 4V 9000 Hz 1 Vrms 2 2 52 Hz A 400 uA 9000 Hz 100 uA 2 T2 1 Perform zero adjustment using 2 key Replaceable Parts Accessories Refer to the disassembly diagram on page 6 5 Call out Description HP Part Number Fuse 500 mA 250 V fast blow Littlefuse 216 500 D NOT SUBSTITUTE 2110 0940 Fuse 15 A 600 V fast blow Littlefuse KLK15 Ee DO NOT SUBSTITUTE 2110 0941 MP1 Top case assembly 00972 64401 00973 64401 MP2 Dust moisture seal 00971 64403 MP3 Bottom case assembly includes stand 00972 64402 Replacement Test Leads 2 pair E2305A Temperature probe 5 KQ Thermistor E2308A Surface temperature sensor Thermistor 0 1 C 40653B 12 lead requires dual banana plug Temperature probe K type thermocouple for p 3 any p E2307A Rubber Boot 00971 86001 i Soft Case fits meter with rubber boot E2304A specified replacement parts
20. tt Packard maintains service centers in many countries throughout the world You may have your unit repaired at a Hewlett Packard service center any time it needs service whether the unit is under warranty or not There is a charge for repairs after the warranty period Repair or replacement during the first 30 days after purchase will be provided by the sales channel After 30 days contact the nearest service office Hewlett Packard products normally are repaired and reshipped within five 5 working days of receipt at any service center This is an average time and could possibly vary depending upon the time of year and work load at the service center The total time you are without your unit will depend largely on the shipping time
21. utomatic power off and auto ranging are disabled when Min Max is selected Bargraph will indicate and hold the maximum values of the bargraph Time is recorded and displayed in minutes up to the maximum recording time of 1999 minutes Recording will stop at the maximum time 3 H annunciator is displayed when Min Max recording Average Action Main Display Secondary Display Makes the displayed measurement the Average value of last eight Range average of the last eight measurements measurements 9 Disables the averaging of measurements Each measurement Range Operation Hold Auto Hold Press Action Main Display Secondary Display Measurement value when Holds the measurement value in the display hold pressed Input value 2 iud Measurement value when Burch Enters Auto Hold function multimeter beeps Range Cancels Hold function Measurement value Range 1 Auto Hold Operation When measurement becomes stable multimeter will beep and save the stable reading Removing probe from measuring circuit will display and hold the last stable reading Range Press Action Main Display Secondary Display range Changes from to manual Measurement value Range Cean UP Cae Le 1 Measurement value Range Returns to auto ranging winen key is held Measurement value Range When upper range is reached the sequence b
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