Fluke 87 Series IV Service Manual Download

Page: 1 / 38

87 & 89 Series IV

True RMS Multimeter

Service Manual

PN 676137
May 1999

All product names are trademarks of their respective companies.

Summary of Contents for 87 Series IV

Page 1: ...87 89 Series IV True RMS Multimeter Service Manual PN 676137 May 1999 1999 Fluke Corporation All rights reserved Printed in U S A All product names are trademarks of their respective companies...

Page 2: ...ing repair the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges FCA Shipping Point Warranty service is availab...

Page 3: ...requency Duty Cycle Pulse Width Specifications 8 Temperature Specifications 9 MIN MAX Recording Specifications 9 Frequency Counter Sensitivity 9 Burden Voltage A mA A 10 Input Characteristics 10 Requi...

Page 4: ...sistance Capacitance and Diode Functions 19 Calibration 22 Keypad Interface 22 General Procedure 23 Special Requirements 24 Calibration Inputs 24 Remote Interface 26 Temperature Calibration 26 Setup 2...

Page 5: ...ables Table Title Page 1 International Symbols 2 2 Required Tools and Equipment 11 3 Temperature Test Input and Display 18 4 Performance Test Steps 19 5 Calibration Inputs 24 6 Replacement Parts and A...

Page 6: ...87 89 Series IV Service Information iv...

Page 7: ...Page 1 Removing LCD Mask to Access LCD 13 2 Testing the Current Fuses 15 3 Battery and Fuse Replacement 16 4 Display Test 17 5 Locating Recessed Calibration Button 22 6 Calibration Display 23 7 Replac...

Page 8: ...87 89 Series IV Service Information vi...

Page 9: ...els 87 89 Series IV True RMS Multimeters hereafter referred to as the meter Information provided includes Precautions and safety information Specifications Basic maintenance cleaning replacing the bat...

Page 10: ...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...

Page 11: ...ing the Meter use only specified replacement parts Use caution when working above 30 V ac rms 42 V peak or 60 V dc Such voltages pose a shock hazard Avoid working alone When using the probes keep your...

Page 12: ...ment Bright white backlight for clear readings in poorly lighted areas Fast Autorange Meter automatically selects best range AC DC true rms ac rms specified to 100 kHz Choices for AC only AC and DC du...

Page 13: ...Type 4 AA Alkaline NEDA 15A or LR6 Battery Life 72 hrs typical with backlight off Shock Vibration Per MIL T PRF 28800 for Class II instruments Size 3 94 in x 8 in x 1 97 in 10 0 cm x 20 3 cm x 5 0 cm...

Page 14: ...100 readings may be saved by the user in a memory separate from LOGGING memory These readings may be viewed using VIEW MEM AC Voltage and Decibel Specifications Accuracy Function Range Resolution 45Hz...

Page 15: ...4 2 80 0 6 40 3000 0 mV 0 1 mV 0 025 5 89 IV 0 025 10 87 IV 2 80 0 6 40 6 40 3 DC V 5 0000 V 0 0001 V 0 025 10 2 80 0 5 40 50 000 V 0 001 V 0 03 3 2 80 0 5 40 500 00 V 0 01 V 0 1 2 2 80 0 5 40 Not sp...

Page 16: ...on Ranges Resolution Accuracy Capacitance 1 1 100 nF 0 001 nF 11 00 nF 0 01 nF 110 0 nF 0 1 nF 1 100 F 0 001 F 11 00 F 0 01 F 1 5 110 0 F 0 1 F 1 100 F 1 F 11 0 mF 0 01 mF 50 00 mF 0 01 mF Diode Test...

Page 17: ...ts for changes 250 s in duration 1 1 For repetitive peaks 2 5 ms for single events Frequency Counter Sensitivity Minimum Sensitivity RMS Sine Wave 1 Input Range 40 Hz to 20 kHz 2 15 to 40 Hz 3 20 to 5...

Page 18: ...Function Input Impedance Nominal Volts mV 10 M 100 pF Common Mode Rejection Ratio Normal Mode Rejection DC Volts mV 100 dB dc 50 Hz or 60 Hz 0 1 90 dB at 50 Hz or 60 Hz 0 1 AC Volts mV 90 dB dc to 60...

Page 19: ...Frequency Range 20 Hz 100 kHz Accuracy 3 DC Voltage Range 0 1000 Vdc Accuracy 0 006 Current Range 0 10A Accuracy AC mA 0 18 AC A 0 38 Frequency range 1 kHz 20 kHz DC mA 0 06 DC A 0 125 Frequency Sourc...

Page 20: ...at each corner Remove the screws with a Phillips head screwdriver 4 Pull the two halves of the case apart Removing and Reinserting the Circuit Board Assembly The circuit board assembly must be remove...

Page 21: ...ask at the top of the display as shown in Figure 1 LCD LCD Mask aau05f eps Figure 1 Removing LCD Mask to Access LCD 3 Lift up the LCD mask gently with the screwdriver blade to loosen the mask from the...

Page 22: ...case bottom on the case top Make sure the backlight cable located on the back of the LCD assembly is not caught between the case halves 4 Reinstall the four screws and the battery door 5 Secure the b...

Page 23: ...e battery or fuses To prevent damage or injury INSTALL ONLY specified fuses and batteries To replace the fuses refer to Figure 3 and do the following 1 Turn the rotary switch to OFF and remove the tes...

Page 24: ...ent Cleaning Warning To avoid electrical shock or damage to the Meter never allow water inside the case To avoid damaging the housing never apply solvents to the Meter Periodically wipe the case with...

Page 25: ...re 4 Display Test Backlight Test To test the backlight press the T button twice Note that the backlight comes on at two different intensity levels Current Terminal Sensing Test This test determines wh...

Page 26: ...aligned with the IR window Testing Temperature Connect K type thermocouple and Fluke 80Ak to the temperature input on the Meter Connect the other end to the 5520A TC output Allow connections to stabi...

Page 27: ...C V 50 000 V 50 V 700 Hz 49 760 50 240 5 AC V 50 000 V 50 V 20 kHz 49 210 50 790 6 AC V 50 000 V 50 V 100 kHz 46 960 53 040 7 AC V 500 00 V 500 V 65 Hz 497 60 502 40 8 AC V 1000 0 V 500 V 65 Hz 494 0...

Page 28: ...27 30 Ohms 500 00 k 500 k 499 73 500 27 31 Ohms 5 0000 M 5 M 4 9921 5 0079 32 Ohms 30 000 M 30 M 29 696 30 304 Remove 2 Wire Comp 33 nS 50 00 nS open 0 00 0 10 34 nS 50 00 nS 100 M 9 80 10 20 Remove T...

Page 29: ...7 50 DC uA 500 00 uA Short 0 02 0 02 51 AC A 5 0000 A 250 mA 1 kHz 0 2422 0 2578 52 AC A 5 0000 A 250 mA 20 kHz 0 2310 0 2690 53 DC A 5 0000 A 0 A 0 0010 0 0010 54 DC A 5 0000 A 5 A 4 9740 5 0260 55 D...

Page 30: ...ure the seal with a calibration tool to access the calibration button See Figure 5 Calibration Button aau04f eps Figure 5 Locating Recessed Calibration Button Keypad Interface To start the calibration...

Page 31: ...for the measurement on the primary display to settle out to its final value 4 Press the UP button to proceed to the next step The Meter records a new constant 5 Repeat steps 2 through 4 until the seco...

Page 32: ...e See Temperature Calibration section When you replace the U10 EEPROM you must also re enter the serial number and model number for the Meter See Reprogramming Meter Serial Number and Model Number sec...

Page 33: ...ms 13 AC uA 1 500 uA 700 Hz 7 2 5000 uA 700 Hz 7 DC uA 1 500 uA DC 16 2 5000 uA DC 7 AC mA 1 50 mA 700 Hz 7 2 400 mA 700 Hz 7 DC mA 1 50 mA DC 16 2 400 mA DC 7 1 Use 5520A 2 Wire Comp 2 Zero ohms must...

Page 34: ...Adapter and an Adapter Kit Fluke P N 689486 are required if you connect the UUT interface adapter to the 5520A serial port For more information about MET CAL calibration requirements contact Fluke cus...

Page 35: ...s To complete the temperature calibration the DC mV function must be calibrated After DC mV calibration is complete 1 Turn the rotary switch to the temperature position Put the Meter in calibration mo...

Page 36: ...se 0 44 A 1000 V FAST F1 943121 1 Fuse 11 A 1000 V FAST F2 803293 1 Battery 1 5 V 0 150 mA AA Alkaline H8 H9 H10 H11 376756 4 Fasteners Battery Fuse Access Door H12 H13 948609 2 Screws Phillip Head H4...

Page 37: ...Parts and Accessories 29 F2 H4 MP34 MP39 MP38 H5 H7 H13 MP14 MP8 H12 MP9 H6 H8 9 10 11 F1 MP31 MP30 DS1 aau03f eps Figure 7 Replacement Parts and Accessories...

Page 38: ...87 89 Series IV Service Manual 30...

Search results

Summary of Contents for 87 Series IV

Reviews:

Related manuals for 87 Series IV

Brands by name

Popular brands

Fluke 87 Series IV, Service Manual

Search results

Summary of Contents for 87 Series IV

Reviews:

Related manuals for 87 Series IV

Brands by name

Popular brands