Fluke -- 80 Series III -
Contents
1. E yu cg pue 8 ZED co ty ek6f eps Figure 5 Calibration Adjustment Points 24 Multimeters Parts and Accessories Calibrating the Model 83 III To calibrate the Model 83 III perform the following procedure 1 2 3 4 d Set the Calibrator for 0 V dc Put the Model 83 III in the V function Connect the source to the V Q gt and COM inputs on the Meter Output 3 500 V dc from the Calibrator Adjust R21 to obtain a Meter display reading of 3 500 0 001 Put the Meter in to the V function Output 3 500 V at 100 Hz from the Calibrator Adjust R34 to obtain a Meter display reading of 3 500 0 002 Output 100 V at 20 KHz from the calibrator Adjust C37 to obtain a meter display ready of 100 0 0 2 Output 3 500 V at 10 kHz from the Calibrator Adjust C2 to obtain a Meter display reading of 3 500 0 004 Output 35 00 V at 10 kHz Adjust C3 to obtain a Meter display reading of 35 00 0 04 Parts and Accessories Replacement parts and accessories are listed in Tables 14 15 and shown in Figure 6 Item BT1 F1 A F2 A H1 H5 H6 MP1 MP2 MP85 MP86 MP92 TM1 TM2 TM3 TM4 Backlight LCD Table 14 Replacement Parts Description Fluke Part No Qty Battery 9 V 614487 1 Fuse 0 440 A 1000 V FAST 943121 1 Fuse 11 A 1000 V FAST 803293 1 Screw Case 82. Display Reading Step Capacitance 83 III 85 III 87 III 1 1 0 uF 0 95 to 1 05 0 95 to 1 05 0 95 to 1 05 2 0 470 uF 0 462 to 0 478 0 462 to 0 478 0 462 to 0 478 3 0 0470 uF 0 0462 to 0 0478 0 0462 to 0 0478 0 0462 to 0 0478 4 4 70 nF 4 62 to 4 78 4 62 to 4 78 4 62 to 4 78 Checking the Diode Test Function To check the diode test function do the following 1 Connect the Calibrator to the V OQ gt and COM inputs on the Meter 2 Turn the rotary switch to PF 20 Multimeters Performance Tests Note If you use a Fluke 5100 Series Calibrator activate the 50 Q divider override 3 Apply 3 000 V The Meter display should read 3 000 V dc 0 061 V dc Testing the Milliamp mA Function To verify the accuracy of AC and DC current measurement functions do the following 1 Connect the Calibrator to the mA uA and COM inputs on the Meter 2 Turn the rotary switch to mA A The Meter enters the DC measurement function 3 Apply the inputs in steps 1 and 2 in Table 11 For each input compare the readings on the Meter display to the display readings for your Model of Meter Press the blue button on the Meter to toggle to AC measurement function Apply the inputs in steps 3 through 6 in Table 11 For each input compare the readings on the Meter display to the display readings for your Model of Meter Table 11 mA Tests Display Reading Step DC Current 83 III 85 III 87 III 35 00 mA 34 82 to 3
3. eene nennen 3 Rotary Switch ste et eite eet ree e Pe Ege o DE nio dee RE dus 4 AC Voltage MIT 5 Frequency Testa iaa E 6 Frequency Counter Sensitivity and Trigger Level Tests 7 DC Voltage Test iaa an E EEE EE cid 8 Peak MIN MAX T estieieeiciistaiememssitmmn msemsmeianamsni t7ssmssmnttetestesssnmnme nt 9 Sn MET CA M E 10 Capacitance Tests ee eret eere tet endet d vetere gern detenta 1l A Lesiss ae a EN ete Pret n reb Ode tI aida IP WI 13 Current Testa 14 Replacement Part viii e ertt E EEEE A adi TDs GACCESSOTIES e NN iii 80 Series III Service Manual List of Figures Figure 1 Disassembly Detalla iii 2 Battery and Fuse Replacement sese 3 Testing the Current Input Fuses 4 Icd Si 5 Calibration Adjustment Points eese 6 Replaceable Parts ia hunda ie ta Rees 80 Series III Service Manual vi Introduction A Warning To avoid shock or injury do not perform the verification tests or calibration procedures described in this manual unless you are qualified to do so The information provided in this document is for the use of qualified personnel only Caution The 80 III Multimeter contains parts that can be damaged by static discharge Follow the standard practices for handling static sensitive devices The 80 Series III Service Information provides the fo
4. 0 2 4 4 0 2962 0 2 2 1 0 2 1 0 2 1 0 2 1 0 2 0 2 4 0 2 4 0 2 2 0 2 2 45 Hz to 1 kHz and 3 0 25 counts for 5 kHz to 20 kHz 2 AC conversion for Model 83 is ac coupled and calibrated to the rms value of a sinewave input 3 AC conversions for Models 85 and 87 are ac coupled true rms responding and valid from 5 to 100 of See note 2 in under AC Voltage Specifications Models 85 and 87 5 10 A continuous 20 A for 30 seconds maximum Accuracy unspecified over 10 A Capacitance and Diode Function Specifications Burden Voltage typical 1 8 mV mA 1 8 mV mA 0 03 V A 0 03 V A 1 8 mV mA 1 8 mV mA 0 03 V A 0 03 V A 100 uV uA 100 uV uA 100 uV uA 100 uV uA 1 For extended use at high RH change the 400 mV and 4 0 V ac accuracy specification to 1 5 96 4 counts for Function Je gt Range 5 00 nF 0 0500 uF 0 500 uF 5 00 uF 3 000 V Resolution 0 01 nF 0 0001 uF 0 001 uF 0 01 pF 0 001 V Frequency Counter Specifications Accuracy 1 With a film capacitor or better using Relative mode to zero residual See Accuracy earlier in the specifications for a complete explanation Function Frequency 0 5 Hz to 200 kHz pulse width gt 2 us Range Resolution 199 99 0 01 Hz 1999 9 0 1 Hz 19 999 kHz 0 001 kHz 199 99 kHz 0 01 kHz gt 200 kHz 0 1 kHz 1 See Accurac
5. 1 0 05 1 400 0 mV 0 1 mV 0 3 96 1 t 0 1 96 1 t 0 1 96 1 mV Q 400 0 Q 0 1 Q t 0 4 96 E t 0 2 2 i t 0 2 96 2 4 000 kQ 0 001 RQ t 0 4 96 1 t 0 2 96 1 0 2 96 1 40 00 kQ 0 01 kQ 0 4 96 1 t 0 2 96 1 t 0 2 96 1 400 0 RQ 0 1 RQ t 0 7 96 1 0 6 96 1 0 6 96 1 4 000 MO 0 001 MO t 0 7 96 1 0 6 96 1 0 6 96 1 40 00 MQ 0 01 MQ t 1 0 96 3 t 1 0 96 3 t 1 0 96 3 nS 40 00 nS 0 01 nS 1 0 96 10 t 1 0 96 10 t 1 0 96 10 1 For extended use at high RH change the 400 mV and 4 0 V ac accuracy specification to 1 5 96 4 counts for 45 Hz to 1 kHz and 3 0 25 counts for 5 kHz to 20 kHz t 2 When using the REL A function to compensate for offsets 80 Series III Service Information Current Specifications Function mA A 45 Hz to 2 kHz UA 45 Hz to 2 kHz HA 40 00 mA 10 00 A mA A 10 00 A Range 400 0 mA 4000 mA 40 00 mA 400 0 mA 4000 mA 400 0 uA 4000 uA 400 0 uA 4000 HA Resolution 0 01 mA 0 1 mA 1mA 0 01 A 0 01 mA 0 1 mA 1mA 0 01 A 0 1 uA 1uA 0 1 uA 1pA 2 Model 83 0 4 96 4 0 4 96 2 range 6 Below a reading of 200 counts add 10 counts 1 Accuracy 3 4 3 4 Model 85 Model 87 1 096 2 1 0 2 1 096 2 1 0 2 1 096 2 1 0 2 1 096 2 1 0 2 0 2964 0 2 4 0 2962 0 2 2 0 2964
6. 1 0 kHz 3456 to 3544 3463 to 3537 3463 to 3537 Testing the Amp A Function To verify the accuracy in the ampere A measurement function do the following 1 If necessary set the Calibrator output to O 2 Connect the Calibrator to the A and COM inputs of the Meter 3 Turn the rotary switch to mA A The Meter enters the DC amp measurement function 4 Apply the inputs in steps 1 and 2 in Table 13 n For each input compare the readings on the Meter display to the display readings for your Model of Meter Set the calibrator output to 0 Press the blue button on the Meter to toggle to the AC amp measurement function Apply the inputs in steps 3 through 6 in Table 13 0990 ME IO For each input compare the readings on the Meter display to the display readings for your Model of Meter Table 13 Current Tests 22 Display Reading 1 3500 mA 3482 to 3518 3489 to 3511 3489 to 3511 2 10 00A 9 94 to 10 06 9 96 to 10 04 9 96 to 10 04 AC Current Frequency 83 III 85 III 87 III 3 3500 mA 60 Hz 3456 to 3544 3463 to 3537 3463 to 3537 4 3500 mA 1 0 kHz 3456 to 3544 3463 to 3537 3463 to 3537 5 10 00A 60 Hz 9 86 to 10 14 9 88 to 10 12 9 88 to 10 12 6 10 00 A 1 0 kHz 9 86 to 10 14 9 88 to 10 12 9 88 to 10 12 Multimeters Calibration Calibration Calibrate the Meter once a year to ensure that it performs according to specifications Calibration adjustment points are identified in Figure 5 Ther
7. kQ 18 91 to 19 09 18 95 to 19 05 18 95 to 19 05 4 1 900 MQ 1 886 to 1 914 1 888 to 1 912 1 888 to 1 912 5 19 00 MQ 18 78 to 19 22 18 78 to 19 22 18 78 to 19 22 6 100 0 MQ 9 80 to 10 20 nS 9 80 to 10 20 nS 9 80 to 10 20 nS Testing the Capacitance Function The Meter measures capacitance by charging the capacitor with a known direct current measuring the resultant voltage and calculating the capacitance If the same capacitance is measured on an impedance bridge a different reading may result This variance is likely to be greater at higher frequencies To verify the accuracy of the capacitance measuring function do the following 1 Connect the Calibrator to the V Q gt and COM inputs on the Meter 2 Forsteps 1 through 3 in Table 10 a Turn the rotary switch to OE b Press the blue button Connect the test leads to the capacitor P For each input compare the readings on the Meter display to display readings for your Model of Meter The Meter selects the proper range automatically Each measurement takes about one second per range 3 Before applying the input for step 4 of Table 10 disconnect the test leads from the calibrator and press the to zero the display automatically subtracts the residual Meter and test lead capacitance Reconnect the test leads to the calibrator and apply the input for step 4 of Table 10 Note that the relative mode puts the Meter into manual Range Table 10 Capacitance Tests
8. 1 25 in x 3 41 in x 7 35 in 3 1 cm x 8 6 cm x 18 6 cm 2 06 in x 3 86 in x 7 93 in 5 2 cm x 9 8 cm x 20 1 cm 12 5 oz 355 g 22 0 oz 624 g Complies with ANSI ISA S82 01 1994 CSA 22 2 No 1010 1 1992 to 1000 V Overvoltage Category III UL listed to UL3111 1 Licensed by T V to EN61010 1 Multimeters Specifications AC Voltage Specifications Models 85 and 87 Function Range Resolution Accuracy 50 60 Hz 45 Hz 1 kHz 1 5 kHz 5 20 kHz V 3 400 0 mV 0 1 mV t 0 7 4 t 1 0 4 2 0 96 4 2 0 96 20 4 000 V 0 001 V t 0 7 2 t 1 0 4 2 0 4 2 0 96 20 40 00 V 0 01 V t 0 7 96 2 t 1 0 96 4 t 2 0 96 4 2 0 96 20 400 0 V 0 1 V t 0 7 2 t 1 0 4 t 2 0 4 unspecified 1000 V 1V t 0 7 2 E 1 0 2o 1 4 unspecified unspecified 1 For extended use at high RH change the 400 mV and 4 0 V ac accuracy specification to 1 5 96 4 counts for 45 Hz to 1 kHz and x 3 0 96 25 counts for 5 kHz to 20 kHz 2 Below 10 of range add 6 counts 3 Models 85 and 87 are true rms responding Meters When the input leads are shorted together in the ac functions the Meters display a reading typically 25 counts caused by internal amplifier noise The accuracy on Models 85 and 87 is not significantly affected by this internal offset when measuring inputs that are within 5 96 to 100 96 of the selected range When the rms value of the two values 5 96 of ra
9. 32246 3 Fastener Access Door 948609 Foot Non Skid 824466 2 O Ring Input Receptacle 831933 1 Case Top pad xfer w window 616885 83 III 85 III 616877 87 III Btm Case w gasket 8x w ce csa 616703 Battery Door CE update 609930 CD ROM contains Users Manuals 1611720 1 Getting Started Manual 1611712 1 Quick Reference Guide Fluke 80 Series III 688168 1 Service Information Manual 688645 Optional Backlight White 609922 LCD 4 5 digit bar graph multiplexed 686634 83 III 85 III 686391 87 III A To ensure safety use exact replacement only 25 80 Series III Service Information 26 Table 15 Accessories Fluke Part Item Description Number TL20 Industrial Test Lead Set Optional TL20 AC70A Alligator Clips for use with TL75 test lead set AC70A TL75 Test Lead Set TL75 TL24 Test Lead Set Heat Resistant Silicone TL24 TP1 Test Probes Flat Blade Slim Reach TP1 TP4 Test Probes 4 mm diameter Slim Reach TP4 AC20 Safety Grip VVide Javv Alligator Clips AC20 C81Y Holster Yellow C81Y C81G Holster Gray Optional C81G C25 Carrying Case Soft Optional C25 Fluke accessories are available from your authorized Fluke distributor E ES AC20 Alligator TP1 TP4 Probes Clip Black 87 E Test Lead Set TL75 Test Lead Set Figure 6 Replaceable Parts AC70A Alligator Clips Quantity IY11F EPS
10. 5 18 34 89 to 35 11 34 89 to 35 11 350 0 mA 348 4 to 351 6 349 1 to 350 9 349 1 to 350 9 3 35 00 mA 60 Hz 34 56 to 35 44 34 63 to 35 37 34 63 to 35 37 4 35 00 mA 1 0 kHz 34 56 to 35 44 34 63 to 35 37 34 63 to 35 37 5 350 0 mA 60 Hz 345 6 to 354 4 346 3 to 353 7 346 3 to 353 7 6 350 0 mA 1 0 kHz 345 6 to 354 4 346 3 to 353 7 346 3 to 353 7 Testing the Microamp uA Function To verify the accuracy of the microamp UA measurement function do the following 1 Connect the Calibrator to the mA uA and COM inputs on the Meter 2 Turn the rotary switch to L AZ The Meter enters the DC measurement function 3 Apply the inputs in steps 1 and 2 of Table 12 For each input compare the readings on the Meter display to the display readings for your Model of Meter Press the blue button on the Meter to toggle to the AC measurement function Apply the inputs in steps 3 and 6 of Table 12 21 80 Series III Service Information 7 For each input compare the readings on the Meter display to the display readings for your Model of Meter Table 12 uA Tests Display Reading 83 III 85 III 87 Ill Step DC Current 350 0 uA 348 2 to 351 8 348 9 to 351 1 348 9 to 351 1 3500 uA 3484 to 3516 3491 to 3509 3491 to 3509 87 Ill 3 350 0 pA 60 Hz 345 6 to 354 4 346 3 to 353 7 346 3 to 353 7 4 350 0 uA 1 0 kHz 345 6 to 354 4 346 3 to 353 7 346 3 to 353 7 5 3500 uA 60 Hz 3456 to 3544 3463 to 3537 3463 to 3537 6 3500 uA
11. FLLIKE 80 Series III Multimeters Service Information PN 688645 April 1998 Rev 2 6 02 O 1998 2002 Fluke Corporation All rights reserved Printed in U S A All product names are trademarks of their respective companies Lifetime Limited VVarranty Each Fluke 20 70 80 170 and 180 Series DMM will be free from defects in material and workmanship for its lifetime As used herein lifetime is defined as seven years after Fluke discontinues manufacturing the product but the warranty period shall be at least ten years from the date of purchase This warranty does not cover fuses disposable batteries damage from neglect misuse contamination alteration accident or abnormal conditions of operation or handling including failures caused by use outside of the product s specifications or normal wear and tear of mechanical components This warranty covers the original purchaser only and is not transferable For ten years from the date of purchase this warranty also covers the LCD Thereafter for the lifetime of the DMM Fluke will replace the LCD for a fee based on then current component acquisition costs To establish original ownership and prove date of purchase please complete and return the registration card accompanying the product or register your product on http www fluke com Fluke will at its option repair at no charge replace or refund the purchase price of a defective product purchased through a Fluke authorized sales ou
12. Figure 2 and do the following 1 Turn the rotary switch to OFF and remove the test leads from the terminals 2 Remove the battery door by using a flat blade screwdriver to turn the battery door screws 1 4 turn counterclockwise Remove the three Phillips head screws from the case bottom and turn the case over 4 Gently lift the input terminal end of the case top to separate the two halves of the case 5 Remove the fuse by gently prying one end loose then sliding the fuse out of its bracket Replace the fuse only with one specified above Verify that the rotary switch and the circuit board switch are in the OFF position 8 Place the case top on the case bottom ensuring that the gasket is properly seated and the case halves snap together above the LCD end See Figure 2 9 Reinsert the three case bottom screws and the battery door Cleaning ANWarning To avoid electrical shock or damage to the Meter never allow water inside the case To avoid damaging the Meter s housing never apply solvents to the Meter If the Meter requires cleaning wipe it down with a cloth that is lightly dampened with water or a mild detergent Do not use aromatic hydrocarbons chlorinated solvents or methanol based fluids when wiping down the Meter Input Terminals Water dirt or other contamination in the A or mA uA input terminals may activate the Input Alert beeper even though test leads are not inserted Such contamination might be dislod
13. Important SB Conforms to relevant Canadian information C us Standards Association directives A Take appropriate precautions a Double insulated Hazardous voltage may be present Battery CAT III IEC overvoltage category III Multimeters Safety Information Safety Information ANWarnings and Precautions To avoid possible electric shock or personal injury and to avoid possible damage to the Meter or to the equipment under test follow these guidelines Before using the Meter inspect the case Do not use the Meter if it is damaged Look for cracks or missing plastic Pay particular attention to the insulation around the connectors Inspect the test leads for damaged insulation or exposed metal Check the test leads for continuity Replace damaged test leads before using the Meter Verify the Meter s operation by measuring a known voltage Do not use the Meter if it operates abnormally Protection may be impaired When in doubt have the Meter serviced Do not apply more than the rated voltage as marked on the Meter between the terminals or between any terminal and earth ground Use caution when working with voltages above 30 V ac rms 42 V ac peak or 60 V dc These voltages pose a shock hazard Use the proper terminals function and range for your measurements Do not operate the Meter around explosive gas vapor or dust When using the probes keep your fingers behind the finger guards When making connec
14. aintenance IV12 eps Figure 2 Battery and Fuse Replacement Reassembling the Meter Case To reassemble the Meter Case do the follovving 1 Verify that the rotary switch and circuit board switch are in the OFF position and that the gasket remains secured to the case bottom Place the case top on the case bottom ensuring that the gasket is properly seated and the case halves snap together above the LCD end See Figure 2 Reinstall the three screws and the battery door Secure the battery door by turning the screw 1 4 turn clockwise Go to Performance Tests later in this document and perform the procedures described Replacing the Battery The Meter is powered by a single 9 V battery NEDA 1604 6F22 or 006P To replace the battery refer to Figure 2 and do the following 1 2 Turn the rotary switch to OFF and remove the test leads from the terminals Remove the battery door by using a flat blade screwdriver to the turn the battery door screws 1 4 turn counterclockwise Remove the battery and replace it with a new one Dress the battery leads so that they will not be pinched between the battery door and case bottom Replace the battery door and secure the door by turning the screws 1 4 turn clockwise 11 80 Series III Service Information Testing Fuses F1 and F2 To test the internal fuses of the Meter refer to Figure 3 and do the follovving 1 2 12 Turn the rotary selector switch
15. are the reading on the Meter display with the display reading in Table 6 Put the Meter in the 4 V dc range and press I Apply the input from steps 2 and 3 of Table 6 and compare the reading on the Meter display with the display reading in Table 6 If the display reading falls outside of the range shown in Table 6 the Meter does not meet specification On the Meter press to enter the 40 V dc range Apply the input for steps 4 and 5 of Table 6 compare the reading on the Meter display with the display reading in Table 6 17 80 Series III Service Information 18 Table 6 Frequency Counter Sensitivity and Trigger Level Tests 1 2 3 4 5 Step Range 4 V ac 4 V de 4 V de 40 V de 40 V de Testing DC Voltage To verify accuracy of the dc voltage function do the following A separate performance Amplitude RMS 300 mV ac 1 7 V ac 1 0 V ac 6 0 V ac 2 0 V ac Frequency 1 kHz 1 kHz 1 kHz 1 kHz 1 kHz test procedure for mV dc is provided later in this section Display Reading 999 8 1000 2 999 8 1000 2 000 0 999 8 1000 2 000 0 1 Connect the Calibrator to the V OQ gt and COM inputs on the Meter 2 Turn the rotary switch to V 3 Apply the input from step 1 of Table 7 for your model 80 Series III 4 Compare the reading on the Meter display with the display reading in Table 7 If the display reading falls outside of the range shown in Table 7 the Meter does no
16. d Repairs or servicing should be performed only by qualified personnel Table 2 Required Equipment Multimeters Basic Maintenance Equipment Required Characteristics Calibrator AC Voltage Range 0 1000V ac Accuracy 0 12 96 Frequency Range 60 20000 Hz Accuracy 3 96 DC Voltage Range 0 1000V dc Accuracy 0 012 96 Current Range 350 uA 2A Accuracy AC 60 Hz to 1 kHz 0 25 96 DC 0 05 Frequency Source 19 999 kHz 199 99 kHz Accuracy 0 0025 96 Amplitude 150 mV to 6V RMS Accuracy 5 96 Range 19 100 MQ Accuracy 0 065 96 Basic Maintenance A Warning Recommended Model Fluke 5500A Multi Product Calibrator or equivalent To avoid shock remove the test leads and any input signals before opening the case or replacing the battery or fuses Opening the Meter Case Caution To avoid unintended circuit shorting always place the uncovered Meter assembly on a protective surface When the case of the Meter is open circuit connections are exposed To open the Meter case refer to Figures 1 and 2 and do the following 1 Disconnect test leads from any live source turn the rotary switch to OFF and remove the test leads from the front terminals 2 Remove the battery door by using a flat blade screwdriver to the turn the battery door screws 1 4 turn counterclockwise 3 The case bottom is secured to the case top by three screws and two internal snaps at the LCD end Usin
17. e is a slightly different calibration procedure for each model of the 80 Series III Be sure to follow the correct procedure for your unit Calibrating the Model 85 and 87 III To calibrate the Meter perform the following procedure 1 Set the Calibrator for 0 V dc 2 Put the Model 85 III or 87 III in the V function 3 Connect the Calibrator to the V O gt and COM inputs on the Meter 4 Output 3 500 V dc from the Calibrator Adjust R21 to obtain a Meter display reading of 3 500 0 001 Put the Model 85 III or 87 III in the V function Output 3 513 V at 50 Hz from the Calibrator Adjust R34 to obtain a Meter display reading 3 500 0 002 eA Note The disparity between an input 3 513 and a display reading of 3 500 is due to compensation for the RMS converter linearity 7 Output 100 V at 20 kHz from the Calibrator Adjust C37 to obtain a Meter display reading of 100 0 0 2 8 Output 3 500 V at 10 KHz from the Calibrator Adjust C2 to obtain a Meter display reading of 3 500 30 004 9 Output 35 00 V at 10 kHz from the Calibrator Adjust C3 to obtain a Meter display reading of 35 00 0 04 23 80 Series III Service Information led ted ent 4190
18. f any other provision 2 02 Table of Contents Title Page INTO UCUON E Rm Precautions and Safety Information sese International Syrabols 4 eicit ete nrbe i ter edere tetas Safety nformationi cete f erect illa SDECIHCAUONS ECCE PRC CURACY M EE erudi AC Voltage Specifications Models 85 and 87 sss AC Voltage Specifications Model 83 eese DC Voltage Resistance and Conductance Specifications Current Specifications acre irlanda Capacitance and Diode Function Specifications essss Frequency Counter Specifications eese Frequency Counter Sensitivity and Trigger Levels sess MIN MAX Recording Specifications ooooocconccoonnnocanonononnnnonono nono nornnononacnnccns Electrical Characteristics of the Terminals eee Required Equipment 0 n tette bre alteridad ness tns Basic Maintenance uiui Pee Eee eh CERE tii Opening the Meter Case ertet et et Ra ERR eor SENEE Removing and Reinserting the Circuit Board Assembly Reassembling the Meter Case sese eene R placinis the Battery eic ree tee e o e e neci beth oia Testing Fuses Fl and P2 intret nee oiiire iia Replacing PUSCS iei nhieu beet trees eto edid catenae zs Cl alba Input Terminals 6 Siete DR PELO dra Rotary Ni MIT lt tal dba Perfo
19. g a Phillips head screwdriver remove the three screws Note The gasket between the two case halves is sealed to and must remain with the case bottom The case top lifts away from the gasket easily Do not damage the gasket or attempt to separate the case bottom from the gasket 4 Hold the Meter display side up Lifting up on the input terminal end disengage the case top from the gasket Gently unsnap the case top at the display end See Figure 2 80 Series III Service Information Align Tab to off ek7f eps Figure 1 Disassembly Details Removing and Reinserting the Circuit Board Assembly Once the case has been opened the shields can be disconnected from the circuit board assembly as follows 1 Remove the one Phillips head screw securing the back shield to the circuit assembly Then remove the back shield 2 The front shield can now be disconnected from the circuit assembly by detaching the four snaps one at a time found on the top front Be gentle when detaching or attaching the four snaps Excessive force can deform or fracture the snaps 3 To reinsert the circuit assembly push the front shield on so that the four clips engage gently and simultaneously 4 Turn the assembly over and replace the Phillips head screw and back shield Ensure that the shields are tightly attached Properly fitted shields are required for the Meter to perform to specification 10 Multimeters Basic M
20. ged by turning the Meter over and with all test leads removed gently tapping on the case To clean the input terminals more effectively do the following 1 Turn the Meter off and remove all test leads from the terminals 2 Useaclean swab in each of the four terminals to dislodge and clean out the contamination 13 80 Series III Service Information 3 Moisten a new swab with a cleaning and oiling agent such as WD40 Work this swab around in each of the four terminals The oiling agent insulates the terminals from moisture related shorting and ensures against false Input Alerts Rotary Switch To clean the rotary switch potentiometer do the following 1 Remove the circuit board assembly as described earlier under Removing and Reinserting the Circuit Board Assembly 2 From the back of the circuit board assembly push the switch shaft in and remove the polymer thick film ptf contact assembly 3 Clean the ptf contact assembly and the potentiometer on the circuit assembly with alcohol Blow these parts dry with clean dry air 4 Using a Q tip apply a thin film of VV F Nye Gel Lubricant 813S Fluke PN 926084 to the entire surface of the ptf pattern and the hole in the center of the pattern It is important that the grease be applied in a film of consistent thickness such that grease does not accumulate on the ptf wiper contacts Remove excess grease with a dry Q tip No portion of the ptf pattern should be lef
21. ile turning the rotary switch from OFF to V 2 Release Normal Meter functions are now disabled and a number appears in the display 3 Compare the number on the display with the number for the V dc V function in Table 3 The display should read 32 12 4 Repeat this test for each position on the rotary switch To exit the rotary switch test mode turn the rotary switch to OFF then back to any function selection 15 80 Series III Service Information Table 3 Rotary Switch Test Rotary Switch Position Display 12 Rotary Switch Position Display 12 OFF Continuity Ohms 96 V ac Diode test 128 V dc mA A 160 mV dc uA 192 Testing the AC Voltage Function To verify accuracy in the ac voltage ranges do the following 1 Connect the Calibrator to the V Q gt and COM inputs on the Meter 2 Set the Calibrator for the voltage and frequency called for in step 1 of Table 4 3 Compare the reading on the Meter display with the display reading for your 80 Series III model 83 85 or 87 shown in Table 4 If the display reading falls outside of the range shown in Table 4 the Meter does not meet specification 4 Repeat this procedure for steps 2 through 17 of Table 4 Table 4 AC Voltage Test Input Display Reading Step Voltage Frequency 83 Series Ill 85 87 Series Ill xoomv eom 3803522 3471103529 16 Multimeters Performance Tests Testing the Frequency Funct
22. inusoidal wave forms add 2 reading 2 full scale typical for a crest factor up to 3 General and Earth Ground Z Fuse Protection for mA or pA inputs AN Fuse Protection for A input Display Temperature Altitude Temperature Coefficient Electromagnetic Compatibility Relative Humidity Battery Type Battery Life Shock Vibration Size HxW xL Size with Holster and Flex Stand Weight Weight with Holster and Flex Stand Safety Maximum Voltage between any Terminal 1000 V rms 44 100 A 1000 V FAST Fuse 11 A 1000 V FAST Fuse Digital 4000 counts updates 4 sec Model 87 also has 19 999 counts in 4Y digit mode updates 1 sec Analog updates 40 sec Frequency 19 999 counts updates 3 sec at gt 10 Hz Model 87 4 x 32 segments equivalent to 128 Models 83 85 43 segments Operating 20 C to 55 C Storage 40 C to 60 C Operating 2000 m Storage 10 000 m 0 05 x specified accuracy C 18 C or gt 28 C In an RF field of 1 V m on all ranges and functions except capacitance Models 85 and 87 Total Accuracy Specified Accuracy 2 5 of range Model 83 Total Accuracy Specified Accuracy 0 3 of range Capacitance not specified in RF fields Above 1 V m is not specified 0 to 90 0 C to 35 C 0 to 70 35 C to 55 C 9 V zinc NEDA 1604 or 6F22 or 006P 400 hrs typical with alkaline with backlight off Per MIL T 28800 for a Class 2 instrument
23. ion To verify the accuracy of the Meter s frequency function do the following 1 step aside Connect the Calibrator to the V O gt and COM inputs on the Meter Note The accuracy of the Calibrator s frequency function must be appropriate for the specified accuracy of the Meter With the Meter in the 400 mV ac range press to enter the Frequency Counter mode Set the Function Generator for the sine wave voltage and frequency called for in step 1 of Table 5 Compare the reading on the Meter display with the display reading shown in Table 5 If the display reading falls outside of the range shown in Table 5 the Meter does not meet specification Set the Function Generator for the sine wave voltage and frequency called for in step 2 of Table 5 and compare the reading on the Meter display with the display reading shown in Table 5 Table 5 Frequency Test Sine Wave Input Display Reading 150 mV rms 19 000 kHz 18 998 to 19 002 150 mV rms 190 00 kHz 189 98 to 190 02 Testing the Frequency Sensitivity and Trigger Level To verify the counter sensitivity and trigger levels for all frequency modes and ranges do the following For any function and range the sensitivity and trigger level is the same in both frequency and duty cycle modes 1 2 3 Connect the Calibrator to the V O and COM inputs on the Meter Put the Meter in the 4 V ac range and press Apply the input from step 1 of Table 6 and comp
24. llowing information Precautions and safety information Specifications Basic maintenance cleaning replacing the battery and fuses Performance test procedures Calibration and calibration adjustment procedures Accessories and replaceable parts For complete operating instructions refer to the 80 Series III Users Manual To contact Fluke call USA 1 888 99 FLUKE 1 888 993 5853 Canada 1 800 36 FLUKE 1 800 363 5853 Europe 31 402 678 200 Japan 81 3 3434 0181 Singapore 465 738 5655 Anywhere in the world 1 425 446 5500 For additional information about Fluke its products and services visit Fluke s web site at www fluke com 80 Series III Service Information Precautions and Safety Information Use the Meter only as described in the Users Manual If you do not do so the protection provided by the Meter may be impaired Read the Safety Information page before servicing this product In this manual a Warning identifies conditions and actions that pose hazard s to the user a Caution identifies conditions and actions that may damage the Meter or the test instruments International Symbols International symbols used on the Meter and in this manual are explained in Table 1 Table 1 International Symbols Alternating current 3b Earth ground Direct current t Fuse Alternating or direct current CE Conforms to European Union directives A Refer to the manual
25. nge and internal offset is calculated the effect is minimal as shown in the following example where 20 0 5 of 400 mV range and 2 5 is the internal offset RMS SQRT 20 0 2 5 20 16 If you use the REL function to zero the display when using the ac functions a constant error that is equal to the internal offset will result 4 Frequency range 1 kHz to 2 5 kHz 5 Below 10 of range add 16 counts AC Voltage Specifications Model 83 Function Range Resolution Accuracy 50 Hz 60 Hz 45Hz 1kHz 1 kHz 5 kHz V 400 0 mV 0 1 mV 0 5 96 4 t 1 0 4 t 2 0 96 4 4 000 V 0 001 V 0 5 2 t 1 0 4 2 0 4 40 00 V 0 01 V 0 5 2 t 1 0 4 t 2 0 96 4 400 0 V 0 1 V 0 5 2 t 1 0 4 t 2 0 96 4 1000 V 1V 0 5 2 1 0 4 unspecified 1 For extended use at high RH change the 400 mV and 4 0 V ac accuracy specification to 1 5 96 4 counts for 45 Hz to 1 kHz and 3 0 25 counts for 5 kHz to 20 kHz 2 Below a reading of 200 counts add 10 counts 9 Frequency range 1 kHz to 2 5 kHz DC Voltage Resistance and Conductance Specifications I I I l Accuracy I Function Range Resolution Model 83 Model 85 Model 87 V 4 000 V 0 001 V t 0 1 96 1 0 08 1 0 05 1 40 00 V 0 01 V 0 1 96 1 0 08 1 0 05 1 400 0 V 0 1 V t 0 1 96 1 0 08 1 0 05 1 1000 V 1V t 0 1 96 1 0 08
26. nges gt 350 ms and inputs gt 25 of range Same as specified accuracy for changes gt 2 seconds in duration Specified accuracy 100 counts for changes gt 250 us in duration 80 Series III Service Information Electrical Characteristics of the Terminals V Overload Protection 1000 V rms Input Impedance nominal 10 MQ lt 100 pF Common Mode Rejection Ratio 120 dB at dc 50 Hz or 60 Hz 1 kQ unbalance Normal Mode Rejection gt 60 dB at 50 Hz or 60 Hz mA Overload Protection 1000 V rms Input Impedance nominal 10 MQ lt 100 pF Common Mode Rejection Ratio gt 120 dB at dc 50 Hz or 60 Hz 1 kQ unbalance Normal Mode Rejection gt 60 dB at 50 Hz or 60 Hz V Overload Protection 1000 V rms Input Impedance nominal 10 MQ lt 100 pF ac coupled Common Mode Rejection Ratio gt 60 dB dc to 60 Hz 1 kQ unbalance Q Overload Protection 1000 V rms Open Circuit Test Voltage 1 3 V dc Full Scale Voltage To 4 0 MQ 450 mV dc 40 MQ or nS V1 3 V dc Typical Short Circuit Current 400 Q 200 uA 4kQ 80pA 40 RQ 12 uA 400 KQ 1 4 uA 4 MO O2uA 40 MO 0 2 uA gt Overload Protection 1000 V rms Open Circuit Test Voltage lt 3 9 V dc Full Scale Voltage 3 000 Vdc Typical Short Circuit Current 0 6 mA typical 1 10 V Hz maximum Required Equipment Required equipment is listed in Table 2 If the recommended models are not available equipment with equivalent specifications may be use
27. nput Alert tone if the fuse is good Multimeters Performance Tests 3 Then test the mA UA input fuse 0 440 A by inserting the plug end of the test lead into the mA uA input The beeper emits an Input Alert tone if the fuse is good If the Meter fails to operate properly e Check the battery and fuses and replace as needed e Verify that you are operating the Meter correctly by reviewing the operating instructions found in the Users Manual To complete a comprehensive performance test and verify the accuracy of each Meter function and operation perform the remainder of the tests under Performance Tests Testing the Display Turn the Meter on and press any push button to hold the Meter in Display Test mode Compare the display with the appropriate example in Figure 4 83 HI MULTIMETER 85 HI TRUE RMS MULTIMETER 87 IIT TRUE RMS MULTIMETER MAX MIN AVG ACDC i MAX MIN AVG ACDC pmVA pmVA nFS nFS Mk OHz lt Mk QHz 4 n gt mV ek9f eps Figure 4 Display Test Testing the Rotary Switch This test verifies the operation of the rotary switch function selector The function selector circuit relies on the interface between a ptf region on the circuit assembly and a rotating contact assembly on the switch shaft The rotary switch test exercises this interface by checking the various range codes and displaying their representative numbers To perform the rotary switch test do the following 1 Hold down wh
28. rmance Vests sii e ecd ee Ue EU e ies lcd A Basic Operability est uiise iecit gere etta bead debere et neve Testing the Display nene ete nee aper eek nadar S Testing the Rotary S witch oreet t noa td te Testing the AC Voltage Function eese enn Testing the Frequency Function eese enn Testing the Frequency Sensitivity and Trigger Level Testing DC Voltage eater entero ep tena oed Rara Pages Senses Testing the PEAK MIN MAX Function Model 87 only i 80 Series III Service Manual Testing the mV DC Function esee enne nennen Testing the Resistance Function essere eee Testing the Capacitance Function esee een Checking the Diode Test Function eene Testing the Milliamp mA Function eeeeeeeeenerenren nene Testing the Microamp uA Function Testing the Amp A Function nono ncnn nono no cano nannnnnncnes Calibration apone M Hm Calibrating the Model 85 and 87 IIL eene Calibrating the Model 83 III esee Parts and ACCeSSOFIeS acce ero ERREUR ESTO antes ecos List of Tables Table Title 1 International Symbols e m220a2202a20naxonaauonumenenaoenasonssennnmensnenenconamonstoninonens 2 Required Tools and Equipment
29. splay reading for step 2 in Table 8 Table 8 Peak MIN MAX Test AC Input Display Reading Step Voltage Frequency 83 III 85 III 87 III 2 705 to 2 951 2 705 to 2 951 Testing the mV DC Function To test the accuracy of the mV dc function do the following 1 2 3 4 Connect the Calibrator to the V O and COM inputs on the Meter Turn the rotary switch to mV Apply 350 0 mV Compare the reading on the Meter display to the display reading for your Model shown below Model 83 HI 348 8 to 351 2 Model 85 III 349 5 to 350 5 Model 87 II 349 5 to 350 5 If the display reading falls outside of the range shown the Meter does not meet specification Testing the Resistance Function To verify the accuracy of the resistance function do the following 1 2 3 Connect the Calibrator to V Q gt and COM on the Meter Turn the rotary switch to Q Apply the inputs for steps 1 5 in Table 9 Compare the Meter display readings to the display readings for your Model of Meter Press on the Meter to enter the 40 nanosiemen range used for conductance tests of high resistances Then proceed with step 6 of Table 9 19 80 Series III Service Information Table 9 Ohms Tests Display Reading Step Resistance 83 III 85 Ill 87 III 1 short To zero resistance T leads short probes arid press REL A 2 190 00 189 0 to 191 0 189 4 to 190 6 189 4 to 190 6 3 19 00
30. t meet specification 5 Repeat steps 3 and 4 for the remaining inputs shown in Table 7 Table 7 DC Voltage Test Display Reading Step DC Input Voltage 83 III 85 III 87 III 1 3 500 V 3 495 to 3 505 3 496 to 3 504 3 497 to 3 503 2 35 00 V 34 95 to 35 05 34 96 to 35 04 34 97 to 35 03 3 35 00 V 34 95 to 35 05 34 96 to 35 04 34 97 to 35 03 4 350 0 V 349 5 to 350 5 349 6 to 350 4 349 7 to 350 3 5 1000 V 998 to 1002 998 to 1002 998 to 1002 Testing the PEAK MIN MAX Function Model 87 only To check minimum maximum MIN MAX feature of the Model 87 l 2 Connect the Calibrator to the V Q gt and COM inputs on the Meter Apply 2 0 V ac at 60 Hz step 1 Table 8 from the Calibrator to the V Q gt and COM inputs of the Meter Turn the rotary switch to V dc volts for dc coupling of the input or V ac volts for capacitive coupling of the input Note The rms converter is not used in Peak mode The digital display represents the actual peak value of the input Press Press the beeper to enter the PEAK MIN MAX mode and begin displaying maximum values Multimeters Performance Tests Compare the reading on the Meter display to the display reading for step 1 in Table 8 If the display reading falls outside of the range shown in Table 8 the Meter does not meet specification Press MIN MAX to begin displaying minimum values Compare the reading on the Meter display to the di
31. t unlubricated Push and secure the ptf contact assembly back on to the switch shaft Reassemble the circuit assembly the shields and case halves as described earlier under Reassembling the Meter Case 7 Perform the procedures under Performance Tests Performance Tests The following performance tests verify the complete operability of the Meter and check the accuracy of each Meter function against the Meter s specifications Accuracy specifications are valid for a period of one year after calibration when measured at an operating temperature of 18 C to 28 C and at a maximum of 90 96 relative humidity To perform the following tests it is not necessary to open the case no adjustments are necessary Merely make the required connections apply the designated inputs and determine if the reading on the Meter display falls within the acceptable range indicated If the Meter fails any of these tests it needs calibration adjustment or repair A Basic Operability Test 14 To check the basic operability of an 80 Series III Multimeter do the following 1 Tum the rotary switch to Q and connect a test lead from the V O gt to the mA pA inputs If you are using a test probe touch the half of the input contact nearest the LCD The display should read 1 000 kQ 5 digits 2 With the rotary switch still at Q test the A input fuse 11 A by inserting the plug end of the test lead into the A input The beeper emits an I
32. tions connect the common test lead before connecting the live test lead when disconnecting disconnect the live test lead before disconnecting the common test lead Disconnect circuit power and discharge all high voltage capacitors before testing resistance continuity diodes or capacitance Before measuring current check the Meter s fuses see Testing Fuses and turn OFF power to the circuit before connecting the Meter to the circuit Do not operate the Meter with the case or part of the case removed Use only a single 9 V battery properly installed in the battery receptacle to power the Meter Replace the battery as soon as the battery indicator EM appears With a low battery the Meter might produce false readings that can lead to electric shock and personal injury Remove test leads from the Meter before opening the Meter case When servicing the Meter use only specified replacement parts 80 Series III Service Information Specifications Accuracy Accuracy is given for a period of one year after calibration at 18 C to 28 C with relative humidity up to 90 as of reading number of least significant digits For Model 87 in the 4 Y2 digit mode multiply the number of least significant digits counts by 10 AC conversions are ac coupled and valid from 5 96 to 100 96 of range Models 85 and 87 are true rms responding AC crest factor can be up to 3 at full scale 6 at half scale For non s
33. tlet and at the applicable international price Fluke reserves the right to charge for importation costs of repair replacement parts if the product purchased in one country is sent for repair elsewhere If the product is defective contact your nearest Fluke authorized service center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no risk for damage in transit Fluke will pay return transportation for product repaired or replaced in warranty Before making any non warranty repair Fluke will estimate cost and obtain authorization then invoice you for repair and return transportation THIS WARRANTY IS YOUR ONLY REMEDY NO OTHER WARRANTIES SUCH AS FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSED OR IMPLIED FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES INCLUDING LOSS OF DATA ARISING FROM ANY CAUSE OR THEORY AUTHORIZED RESELLERS ARE NOT AUTHORIZED TO EXTEND ANY DIFFERENT WARRANTY ON FLUKE S BEHALF Since some states do not allow the exclusion or limitation of an implied warranty or of incidental or consequential damages this limitation of liability may not apply to you If any provision of this warranty is held invalid or unenforceable by a court or other decision maker of competent jurisdiction such holding will not affect the validity or enforceability o
34. to the OF position To test F2 plug a test lead into the V Q gt F input terminal and touch the probe to the A input terminal Because the receptacles of the input terminals contain split contacts be sure that you touch the probe to the half of the receptacle contact that is nearest the LCD The display should indicate between 00 0 Q and 00 5 Q If the display reads OL overload replace the fuse and test again If the display reads any other value further servicing is required To test F1 move the probe from the A input terminal to the mA uA input terminal The display should read between 0 995 KQ and 1 005 RO If the display reads a high resistance or OL overload replace the fuse and test again If the display reads any other value further servicing is required Good F2 fuse 00 00 to 00 52 Replace fuse OL Touch top half of input contacts Good F1 fuse 0 995 KQ to 1 005KQ Replace fuse OL IY5f eps Figure 3 Testing the Current Input Fuses Multimeters Basic Maintenance Replacing Fuses A VVarning To avoid electrical shock remove the test leads and any input signals before replacing the battery or fuses To prevent damage or injury INSTALL ONLY quick acting fuses with the following Amp Volt current interrupt ratings F1 Fuse 0 440 A 1000 V FAST Minimum interrupt rating 10 000 A F2 Fuse 11 A 1000 V FAST Minimum interrupt rating 17 000 A To replace the Meter s fuses refer to
35. y earlier in the specifications for a complete explanation Accuracy 0 005 1 0 005 1 E 0 005 1 E 0 005 1 YS HY unspecified Frequency Counter Sensitivity and Trigger Levels Multimeters Specifications 0 0 to 99 9 Minimum Sensitivity RMS Sinewave Approximate Trigger Level Input Range 5 Hz 20 kHz 0 5 Hz 200 kHz DC Voltage Function 400 mV dc 70 mV to 400 Hz 70 mV to 400 Hz 40 mV 400 mV dc 150 mV 150 mV 4V 0 3 V 0 7 V 1 7 V 40 V 3V 7 V 8140 kHz 4V 400 V 30 V 70 V 814 0 kHz 40 V 1000 V 300 V 700 V x1 4 kHz 400 V Duty Cycle Range Accuracy Within 0 05 per kHz 0 1 96 of full scale for a 5 V logic family input on the 4 V dc range Within 0 06 x Voltage Range Input Voltage x 100 of full scale for sine wave inputs on ac voltage ranges 1 Maximum input for specified accuracy 10X Range or 1000 V MIN MAX Recording Specifications DC functions 120 ms to 80 96 AC functions 1s 250 us Model 87 only Model Nominal Accuracy Response 83 100 ms to 80 Specified accuracy 12 counts for changes gt 200 ms in duration iis 40 counts in ac with beeper on Same as specified accuracy for changes gt 2 seconds in duration 40 counts in ac with beeper on 85 87 100 ms to 80 Specified accuracy 12 counts for changes gt 200 ms in duration Specified accuracy 40 counts for cha
Download Pdf Manuals
Related Search