87 & 89 Series IV
Contents
1. s wv sev sov uwewme fasso sso a per mer pe em pee qme AC V 1000 0 V 500 V 65 Hz 494 0 506 0 9 AC mV 500 00 mV 500 mV 10 kHz 474 60 525 40 10 AC mV 3000 0 mV 3V 20 kHz 2951 0 3049 0 11 AC mV 3000 0 mV 3V 100 kHz 2816 0 3184 0 12 Frequency 50 000 kHz 1V 20 kHz 19 998 20 002 13 Duty Cycle 3 1000 V 2 2 Vp p 500 Hz 29 63 30 37 30 Sq wave 14 DC V 5 0000 V short 0 0010 0 0010 15 DC V 5 0000 V 5V 4 9977 5 0023 sooov sv 49977 5023 soooov sov 4998 80 018 Do not rely on autoranging for all tests Some test steps will require manual ranging Must allow for source and meter settling before recording reading Wait at least 60 seconds for source and meter to settle before recording reading Using Relative Mode REL to zero residual reading apply 0 O and allow UUT to settle for 45 seconds before pushing REL A10 No 19 87 amp 89 Series IV Service Manual 20 Table 4 Performance Test Steps cont Frequency or Display Function Range Input Level Model Lower Upper Limit Limit 20 AC amp DC 50 000 V 50V 20 kHz 46 960 53 040 21 DC mV 500 00 mV OV 0 02 0 02 22 DC mV 500 00 mV 500 mV 499 83 500 17 87 IV and 89 IV test limits are different for 3000 0 dc mV range 23 3000 0 mV 87 IV 1998 5 2001 5 LL 3 89 IV 1999 0 2001 0 m exe sms 89 IV 2998 7 3001 3 25 AC DC 3000 0 mV 20 kHz 946 0 1054 0 Connect2. diets n ACCUTICY M otal Feature SUIImaty cci eseree re pereat edere e e ERR o Tee a Ee eU He bU re ER EET euh General Specifications ei noinine ioi a Basic Specifications oie tatit EH det etate eo aa p rade AC Voltage and Decibel Specifications eee AC Current Specifications DC Current Specitc tions etta ree habe Dep S Resistance and Conductance Specifications esses Capacitance and Diode Function Specifications sees Frequency Duty Cycle amp Pulse Width Specifications Temperature Specifications sissies seriking MIN MAX Recording Specifications eee Frequency Counter Sensitivity eese Burden Voltage A MA L eeeeeseeie cett eene ttti rnt enata die Input Characteristics tuc i mee t i ed re ea M ERE Required Equipment ie oerte iret iere sth eer et XP reo Ua ee Eee THE R E Basic Maintenances err ee ee roe tere esta uet Pere tona Opening the Meter Case ia certe nee ut PR e Deesuresactertneoas Removing and Reinserting the Circuit Board Assembly Replacing the LCD e p ma eed HU e pe ect eua Reassembling the Meter Case cee cescssceesecseceneeeeeceseeeseeeaeeeseeeaaeeaes Testing Fuses F1 and E2 eee dee eter titre nii 14 Replacing PuSeS P Replacing the Batteries erii tiere deb etie tbe decode CLC ANTS eeen rerba riii nesia ode Fa
3. 0 01 mA 0 15 96 2 1 5 96 10 1 5 96 10 3 96 40 DCA 5 0000 A 0 0001 A 0 5 10 7 20 7 20 12 40 10 000 A 0 001 A 0 5 2 1 5 10 1 5 10 3 96 40 mA for 30 seconds maximum 20 A overload for 30 seconds maximum DC 5 V range 3 dB typical 10 kHz In RF field of 3 V m add 100 counts from 100 to 120 MHz 60 counts from 270 to 300 MHz 40 counts from 320 to 335 MHz In RF field of 3 V m add 500 counts from 80 to 95 Mhz See AC conversions notes for AC mV and V FON gt 87 amp 89 Series IV Service Manual Resistance and Conductance Specifications Resistance 0 05 10 5 0000 MQ 0 0001 MQ 0 1596 4 30 000 MQ 0 001 MQ 19644 Conductance 50 00 nS 0 01 nS 196 10 1 For the 5 000 count mode divide the number of least significant digits counts by 10 2 For relative humidity greater than 70 95 resistance accuracy is 0 5 96 over 1 MQ and 2 5 over 10 MO 3 In RF field of 3 V m add 45 counts from 470 to 1000 MHz 4 Using Relative Mode REL to zero residual reading Capacitance and Diode Function Specifications Function Ranges Resolution Accuracy Capacitance 1 100 nF 0 001 nF 11 00 nF 0 01 nF 110 0 nF 0 1 nF tour oot nF 11 00 uF 0 01 uF 110 0 uF 0 1 pF 1 100 uF 1 uF 0 01 mF 50 00 mF 0 01 mF For film capacitor or better using Relative mode REL A to zero residual on 1 1 nF range For the 5 000 c
4. 5520A for 2 Wire Comp m oms soma ow ee ew er ome sewn soon sme sms m ome sew sm sw sme m ome sow sx sem s 30 Ohms 500 00 kQ 500 kQ 499 73 500 27 31 Ohms 5 0000 MQ 5 MQ 4 9921 5 0079 32 Ohms 30 000 MQ 30 MQ 29 696 30 304 Remove 2 Wire Comp 33 nS 50 00 nS open 0 00 0 10 34 ns 50 00 nS 100 MQ 9 80 10 20 Remove Test Leads from UUT s capactance 110006 orm Sara s aactance ioone our fes ws s ommatan noou sur s feo s ode er amv ia osoo omo Do not rely on autoranging for all tests Some test steps will require manual ranging Must allow for source and meter settling before recording reading Wait at least 60 seconds for source and meter to settle before recording reading Using Relative Mode REL to zero residual reading apply 0 O and allow UUT to settle for 45 seconds before pushing REL Performance Tests Table 4 Performance Test Steps cont Frequency or Display Function Range Input Level Model Lower Upper Limit Limit 42 AC uA 5000 0 uA 1 5mA 1 kHz 1488 2 1511 8 43 DC mA 50 000 mA OA 0 010 0 010 44 DC mA 50 000 mA 50 mA 49 915 50 085 ooma soacoma sm ems soos a ooma umma azoo aesa emm far ow some sou ses ss a oou sooaoua seu ess eas e sw fowom sm ees eme s sw sem sew ooe Toe 52 ACA 5 0000 A 250 mA 20
5. and Display 4 Pertormance Test Steps uoi eorr root peto aep doe pene ve da e eeu Pneu de 5 Calibration nputs rni tnde nC M a ag REESE TEES 6 Replacement Parts and Accessories eseseeeeeeeeeeeneeeee eene iii 87 amp 89 Series IV Service Information List of Figures Figure Title 1 Removing LCD Mask to Access LCD 0 cei eecesseceseeeseecnseeeaeeenaeeeaeesaeeseaeeeaeeeaes 2 Testing the Current FUSES ua ruuto den aai ewan Nau RRLER REN KE REDE REA DUU RE EE RU DU Rd Rat 15 3 Battery and Fuse Replacement eseseeeeseeeeeeere nennen enne nenne 4 IDEEN IM EEE 5 Locating Recessed Calibration Button eene 6 Calibration Display 2 5 2 eerte re estere sites een a HR eve eae inea oo Re tae du 3 Replacement Parts and Accessories esseseeeeeeeeeeeeneeee eene 87 amp 89 Series IV Service Information 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 87 amp 89 Series IV Multimeters contain parts that can be damaged by static discharge Follow the standard practices for handling static sensitive devices The information in this manual deals with the Fluke Models 87 amp 89 Series IV True RMS Mul
6. in calibration mode On the Service Software menu screen click C Ref Junction Enter the measured temperature value in the text box and click OK This sends the recorded reference junction temperature to the Meter through the IR adapter Although the temperature calibration is not yet complete it is safe at this point to turn the Meter off if the need arises Doing so will not invalidate the previous steps 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 mode by pressing the recessed button on the back of the Meter The secondary display which normally shows the required input displays zero In this case no input is required 2 Press the UP button This sends the calculated temperature constants to EEPROM and completes the temperature calibration 3 Continue calibrating the other functions or turn the rotary switch to the OFF position to exit calibration Re Programming Serial Number or Model Number When the U10 EEPROM is replaced you must also reenter the serial number and model number for the Meter Do this as follows 1 Connect the IR adapter to the serial com port of the PC Install Fluke 87 89 IV Service Software Fluke P N 676152 2 Turn the Meter rotary switch to any function On the Service Software menu screen click EEPROM Enter the serial number from
7. kHz 0 2310 0 2690 53 DCA 5 0000 A 0A 0 0010 0 0010 54 DCA 5 0000 A 5A 4 9740 5 0260 55 DCA 5 0000 A 5A 4 9740 5 0260 56 DC A 10 000 A 6 A 5 968 6 032 57 ACA 10 000 A 6A 1 kHz 5 905 6 095 1 Do not rely on autoranging for all tests Some test steps will require manual ranging 2 Must allow for source and meter settling before recording reading 3 Wait at least 60 seconds for source and meter to settle before recording reading 4 Using Relative Mode REL to zero residual reading apply 0 and allow UUT to settle for 45 seconds before pushing REL 21 87 amp 89 Series IV Service Manual Calibration Calibrate the Meter once a year to ensure that it performs to specifications Before you begin the calibration procedure locate the recessed calibration button on the back of the Meter underneath the accessory mount It is inside a small opening covered by a seal Carefully puncture 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 procedure turn the rotary switch to the DC mV position then press and hold the recessed calibration button on the back of the Meter for one second This places the Meter in calibration mode as shown on the display in Figure 6 The unit will remain in the calibration mode until the rotary switch is moved to the OFF
8. position 22 Calibration Function indicator T cn n n n i UP button moves to the a L L L Autoranging next step n is disabled i a T RINI UI L 9 nid do J 10r calibration rnnn MANUAL A nit r 0 SD LRL t Calibration step number Input signal required Calibration mode indicator aau01f eps Figure 6 Calibration Display General Procedure A sequence of signal inputs is required for each function that must be calibrated The secondary display shows the required input next to the step number for that function The primary display shows the value being measured The measurement is likely to be slightly different from the applied signal because it may be showing an uncalibrated measurement The general calibration procedure is as follows 1 2 3 4 5 Move the rotary switch to the function that you are calibrating Apply the input signal indicated by the secondary display Wait for the measurement on the primary display to settle out to its final value Press the UP button to proceed to the next step The Meter records a new constant Repeat steps 2 through 4 until the secondary display shows End This indicates that the calibration procedure for this function is complete New constants will not be recorded until secondary display shows End If there are more functions to be calibrated move the rotary switch to the appropriate function and continue from step one Otherwise turn the rotary swi
9. scale except the 3000 mV and 1000 V ranges where it is 1 5 at full scale 3 0 at half scale Feature Summary Dual Digital Displays Analog Bar Graph Backlight with 2 brightness adjustment Fast Autorange AC DC true rms ac rms specified to 100 kHz dBm dBV AutoHOLD Continuity Open test Fast Bar Graph Duty cycle Pulse width MIN MAX Mode FAST MN MX with 24 hour time stamp Close Case Calibration Battery Fuse Access Door Hi Impact Overmolded Case Description Primary 50 000 counts Secondary 5 000 count Bar graph 51 segments updates 40 times second Bright white backlight for clear readings in poorly lighted areas Meter automatically selects best range Choices for AC only AC and DC dual display or AC DC readings User selectable impedance references for dBm Holds readings on display Beeper sounds for resistance readings below threshold or to indicate a momentary open circuit 51 segments for peaking and nulling Measure the time signal is on or off in or milliseconds Record maximum minimum and average values 24 hour clock for MAX or MIN elapsed time for AVG FAST MN MX captures peaks to 250 usec No internal adjustments needed Battery or fuse replaceable without voiding calibration Protective holster features Specifications General Specifications Maximum Voltage between any Terminal 1000 V ac dc and Earth Ground Surge Protection 8 kV peak per IEC 1010 1 9
10. x 6 mV 5V 1 5 V to 0 3 V 2V 2 2 V 1 7 V 0 25 V 50 V 15Vto3V 15V 5V 3 5V 2 5V 500 V 50 V to 20 V 50 V 50 V 35 V 25V 1000 V 250 V to 100 V 250V 50 V 35 V 25V 1 Maximum input for specified accuracy UE x Range or 1000 V ac coupled only Accuracy add 1 count 2 Sensitivity improves linearly from 40 Hz to 20 kHz 3 Useable at reduced sensitivity to 0 5 Hz and 999 99 kHz 87 amp 89 Series IV Service Manual Burden Voltage A mA uA Function Burden Voltage typical 500 00 uA 102 uV uA 5 000 pA 102 uV uA 50 000 mA 1 8 mV mA 400 00 mA 1 8 mV mA 5 0000 A 0 04 V A 10 000 A 0 04 V A Input Characteristics Function Volts mV Input Impedance Nominal 10 MO 100 pF UMEN Common Mode Rejection Ratio Normal Mode Rejection DC Volts mV 2100 dB dc 50 Hz or 60 Hz 0 1 gt 90 dB at 50 Hz or 60 Hz 0 196 Full Scale Voltage au Open Circuit Test Voltage 30 MO nS 3 1000 V Typical Short Circuit Current 500 Q 5ko 50 KQ 500 kQ 5 MO 30 MO Diode Test 10 0 8 mA typical Required Equipment Required Equipment Required equipment is listed in Table 2 If the recommended models are not available equipment with equivalent specifications may be used Repairs or servicing should be performed only by qualified personnel Table 2 Required Equipment Equipment Required Characteristics Recommended Model Calibrator AC Voltage Range 0 100
11. 0 Vac Fluke 5520A Accuracy 0 1 Frequency Range 20 Hz 100 kHz Accuracy 3 96 DC Voltage Range 0 1000 Vdc Accuracy 0 006 Current Range 0 10A Accuracy AC mA 0 18 96 AC A 4 0 38 Frequency range 1 kHz 20 kHz DC mA 0 06 DC A 0 125 Frequency Source 0 5 20 kHz Accuracy 0 00125 96 Amplitude 1 Volt Accuracy 5 Ohms Range 0 Q 50 MQ Accuracy 0 0125 96 Capacitance Range 110 0 nF amp 11 00 uF Accuracy 0 25 Temperature Range 10 to 350 C Accuracy 0 3 Thermocouple K type Fluke 80AK Adapter Accessory Thermocouple Infrared IR Adapter Fluke P N 690518 Fluke P N 676152 87 89 IV Service K type K type mini plug on both ends N A Software 11 87 amp 89 Series IV Service Manual 12 Basic Maintenance ANWarning To avoid electrical shock or personal injury remove the test leads and any input signals before opening the case or replacing the battery or fuses To prevent damage or injury install ONLY batteries or fuses specified for this product 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 do the following 1 4 Disconnect test leads from any live source turn the rotary switch to OFF and remove the test leads from the fro
12. 00 Hz 7 DC mA 1 50 mA DC 16 2 400 mA DC 7 1 Use 5520A 2 Wire Comp 2 Zero ohms must use the same calibrator and test leads as all other ohm cal points Do not bypass the calibrator with a shorting bar for the zero ohms step 3 Because of capacitive coupling readings will be affected by movement of the leads or operator Put fingers on UP button and wait for display reading to settle before pushing Calibration 25 87 amp 89 Series IV Service Manual Table 5 Calibration Inputs cont Step Value Frequency Time to Settle In Seconds ACA 1 5A 700 Hz 7 2 5A 700 Hz 7 DCA 1 5A DC 16 2 5A DC 7 1 Use 5520A 2 Wire Comp 2 Zero ohms must use the same calibrator and test leads as all other ohm cal points Do not bypass the calibrator with a shorting bar for the zero ohms step 3 Because of capacitive coupling readings will be affected by movement of the leads or operator Put fingers on UP button and wait for display reading to settle before pushing Remote Interface You can perform semi automated calibration with the remote interface using MET CAL software You must have a DB9 Adapter Fluke P N 804549 to operate the 87 amp 89 Series IV meters with MET CAL This adapter allows you to connect the interface adapter to a PC The DB9 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 inf
13. 2 NFuse Protection for mA or uA inputs 44 100 A 1000 V FAST Fuse NFuse Protection for A input 11 A 1000 V FAST Fuse Display LCD Digital 50000 5000 primary display 5000 counts secondary display updates 4 second Analog 51 segments updates 40 second Temperature Operating 20 C to 55 C Storage 40 C to 60 C Altitude Operating 2000 m Storage 10 000 m Temperature Coefficient 0 05 x specified accuracy C lt 18 C or gt 28 C Electromagnetic Compatibility EMC Susceptibility and Emissions Commercial Limits per EN61326 1 Relative Humidity 0 to 90 0 C to 28 C 0 to 70 96 28 C to 55 C Battery 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 Not Including Accessory Mount 3 94 in x 8 in x 1 97 in 10 0 cm x 20 3 cm x 5 0 cm Weight 1 2 Ibs 545 g IP 42 per IEC 629 Section 3 Complies with ANSI ISA S82 01 94 CSA 22 2 No 1010 1 92 to 1000 V Overvoltage Category Ill Pollution Degree 2 Certifications listed and pending CSA per standard CSA CAN C22 2 No 1010 1 92 UL per standard UL3111 1 pending TUV per standard EN 61010 Part 1 1993 pending CAT IIl OVERVOLTAGE Installation Category III Pollution Degree 2 per IEC 1010 1 refers to the level of Impulse Withstand Voltage protection provided Equipment of OVERV
14. FLUKE 87 amp 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 Limited Warranty amp Limitation of Liability Fluke Corporation Fluke warrants this product to be free from defects in material and workmanship under normal use and service for the life of the product This warranty extends only to the original buyer or end user customer of a Fluke authorized reseller and does not apply to fuses batteries or to any product which in Fluke s opinion has been misused altered neglected or damaged by accident or abnormal conditions of operation or handling Fluke warrants that software will operate on appropriate Fluke instruments substantially in accordance with its functional specifications for 90 days and that it has been properly recorded on non defective media Fluke does not warrant that software will be error free or operate without interruption Fluke authorized resellers shall extend this warranty on new and unused products to end user customers only but have no authority to extend a greater or different warranty on behalf of Fluke Fluke s warranty obligation is limited at Fluke s option to refund of the purchase price or free of charge repair or replacement of a defective product which is returned to a Fluke authorized service center within the warranty period To obtain wa
15. OLTAGE CATEGORY III is equipment in fixed installations Examples include electricity meter and primary over current protection equipment 87 amp 89 Series IV Service Manual Basic Specifications DC Voltage 0 to 1000 V AC Voltage true RMS 15 mV to 1000 V 100 kHz bandwidth Basic Accuracy DC voltage 0 025 AC voltage 0 4 96 DC Current 0 to 10 A 20 A for 30 seconds 25 uA to 10 A 20 A for 30 seconds Resistance 0 to 30 MQ Conductance 0 to 50 nS 0 001 nF to 50 mF Diode Test Frequency 0 5 Hz to 1000 kHz LOGGING Intervals At least 288 intervals may be stored Up to 700 unstable event Model 89 only values are automatically added to LOGGING memory for viewing only through optional PC software Additional intervals will be logged if the signal is stable SAVE Readings Up to 100 readings may be saved by the user in a memory Model 89 only separate from LOGGING memory These readings may be viewed using VIEW MEM AC Voltage and Decibel Specifications Accuracy Function Resolution 1 10 kHz 20 100 kHz AC mV 500 00 mV 0 01 mV 0 4 40 2 8015 40 5 40 6 40 3000 0 mV 0 1mv 0 4 40 2 80 0 425 40 1 552540 6 40 ACV 5 0000 V 0 0001 V 0 4 40 2 80 0 4 40 1 5 40 6 40 50 000 V 0 001 V 0 4 40 2 80 0 4 40 15 40 6 40 500 00 V 0 01 V 0 4 40 2 26 80 0 4 40 Not specified Not specified 1000 0 V 0 495 40 296 80 0 4 95 40 Not specified Not spe
16. PLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES INCLUDING LOSS OF DATA WHETHER ARISING FROM BREACH OF WARRANTY OR BASED ON CONTRACT TORT RELIANCE OR ANY OTHER THEORY Since some countries or states do not allow limitation of the term of an implied warranty or exclusion or limitation of incidental or consequential damages the limitations and exclusions of this warranty may not apply to every buyer If any provision of this Warranty is held invalid or unenforceable by a court of competent jurisdiction such holding will not affect the validity or enforceability of any other provision To locate an authorized service center visit us on the World Wide Web at www fluke com or call Fluke using the phone numbers listed below 1 888 99 FLUKE 1 888 993 5853 in USA and Canada 31 402 678 200 in Europe 81 3 3434 0181 Japan 65 738 5655 Singapore 1 425 356 5500 in other countries Fluke Corporation Fluke Europe B V P O Box 9090 P O Box 1186 Everett WA 98206 9090 5602 B D U S A Eindhoven The Netherlands Table of Contents Title Page Hired nent em Precautions and Safety Information ee eeceesecesecnneeenceeeeeeeeeceeessaeeenaes International Symbols eee Safety Informati n sisean RE E en atid Mee re eB Ee EOD a Specifications NE M
17. ber section Calibration Inputs 24 Table 5 lists the input values required for each calibration step Note The column indicating time to settle does not include calibrator settling time Table 5 Calibration Inputs Step Value Frequency Time to Settle In Seconds DC mV 1 50 mV DC 16 2 300 mV DC 7 3 500 mV DC 7 4 3000 mV DC 1 Temperature 1 0 1 AC mV 1 500 mV 700 Hz 7 2 300 mV 700 Hz 7 3 100 mV 700 Hz 7 4 50 mV 700 Hz 7 5 3000 mV 700 Hz 7 1 Use 5520A 2 Wire Comp 2 Zero ohms must use the same calibrator and test leads as all other ohm cal points Do not bypass the calibrator with a shorting bar for the zero ohms step 3 Because of capacitive coupling readings will be affected by movement of the leads or operator Put fingers on UP button and wait for display reading to settle before pushing Table 5 Calibration Inputs cont Step Value Frequency Time to Settle In Seconds AC V 1 5V 700 Hz 7 2 50 V 700 Hz 7 3 500V 700 Hz 7 4 500V 700 Hz 7 DC V 1 5V DC 7 2 50V DC 7 3 500V DC 7 4 500V DC 7 Ohms 1 OOhms 16 2 500 Ohms 16 3 5k Ohms 7 Ohms 4 50k Ohms 7 5 500k Ohms 7 6 5MOhms T 7 30Mohms 1 AC uA 1 500uA 700 Hz 7 2 5000uA 700 Hz 7 DC uA 1 500uA DC 16 2 5000uA DC 7 AC mA 1 50 mA 700 Hz 7 2 400 mA 7
18. ce down and place the 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 Reinstall the four screws and the battery door Secure the battery door by turning the fasteners 1 4 turn clockwise Go to the Performance Test section in this document and perform the procedures described Testing Fuses F1 and F2 Before measuring current test the appropriate fuse as shown in Figure 2 If the tests give readings other than those shown have the Meter serviced A Warning To avoid electrical shock or personal injury remove the test leads and any input signals before replacing the battery or fuses To prevent damage or injury install ONLY specified replacement fuses with the amperage voltage and speed ratings shown in the specifications Basic Maintenance Replace F2 if LEAGS or FUSE Replace F1 if LEAGS or FUSE displayed displayed tc038f eps Figure 2 Testing the Current Fuses Replacing Fuses ANWarning 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 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 test leads from the terminals 2 Remove the battery access door by using a standard blade screwdriver to turn the battery door fasteners one q
19. cified 0 01 dB 0 1 dB 02dB lo1dB o2dB 0 5 dB 43410460 0 01 dB 0 1 dB 0 2dB 0 1dB Not specified Not specified 1 Forthe 5 000 count mode divide the number of least significant digits counts by 10 2 A residual reading of 8 to 80 digits with leads shorted will not affect stated accuracy above 5 of range Specifications AC Current Specifications Accuracy Function Resolution AC pA 500 00 uA 0 01 uA 0 7596 20 1 20 0 75 20 6 40 5 000 uA 0 1 uA 0 75 5 0 75 10 2 40 Range 50 000 mA 0 001 mA 0 75 20 1 20 0 75 20 9 40 400 00 mA 0 01 mA 75 96 4 5 12964 5 1 5 6 10 4 96 40 ACA 5 0000 A 0 0001 A 1 5 20 1 526 20 696 4 40 Not Specified 10 000 A 0 001 A 1 5964 5 1 526 5 596 4 10 Not Specified 1 500 00 mA overload for 30 seconds maximum 2 20 A overload for 30 seconds maximum DC Current Specifications Accuracy Accuracy Dual Display Function Resolution AC or AC DC 45 Hz 1 kHz 500 00 mV 0 03 96 4 2 0 6 40 3000 0 mV 0 025 5 89 IV 0 696440 6964 40 0 025 10 87 IV 5 0000 V 0 0001 V 0 025 10 0 5 40 50 000 V 0 001 V 0 03 3 0 5 40 500 00 V 0 1 2 0 5 40 Not specified 1000 0 V 0 1 2 0 5 96 40 Not specified DC uA 500 00 uA 0 25 20 9 96 4 40 5 000 uA 0 1 uA 0 25 96 2 1 96 4 10 0 75 96 10 296 40 DC mA 50 000 mA 0 001 mA 0 15 96 10 196 10 0 75 96 10 296 40 400 00 mA
20. m the front of the LCD assembly 1 Remove the circuit board as described under Removing and Reinserting the Circuit Board Assembly 2 Carefully insert the tip of a thin screwdriver under the LCD mask at the top of the display as shown in Figure 1 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 assembly Be careful to press upward not inward toward the LCD By hand tilt the LCD mask upward to release 4 Replace the LCD The LCD must be centered on the platform between the brackets before you replace the LCD mask If the LCD is improperly aligned the display may show missing segments or meaningless readings 5 Reattach the LCD mask by pressing it over the LCD until it snaps into place 13 87 amp 89 Series IV Service Manual 14 Reassembling the Meter Case To reassemble the Meter case do the following 1 2 Verify that the rotary switch is in the OFF position Reinsert the circuit board by placing it into the case top with the LCD showing through the window Carefully replace the two Phillips head screws that connect the circuit board to the case top Caution Do not over torque the two Phillips head screws when you reconnect the circuit board to the case top Doing so may create shielding problems and cause the Meter to give incorrect readings Hold the Meter fa
21. nctions Note that the beeper does not come on 3 Turn the rotary switch to the DC mA position Insert a test lead into the mA terminal Note that the beeper does not emit a continuous chirp Note As the test lead is inserted the Meter may produce a single chirp This is acceptable 17 87 amp 89 Series IV Service Manual 18 Keypad Test To test the keypad turn the Meter to AC V and push each button separately Each button push should cause the Meter to beep Reset the Meter by turning it Off and then back On Verification of the IR Communication Port Note If you are using MET CAL to do performance testing it is not necessary to perform this verification test Connect the Infrared IR adapter to the com port of a PC Align the Meter IR port with the IR adapter window Turn the Meter rotary switch to DC V Install Fluke 87 89 IV Service Software P N 676152 Apply 1 V dc to the VA gt F input terminal The display reading should appear in text box of PC Note If the PC indicates that the Meter is not connected ensure that the com port is correct and that the IR adapter is 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 stabilize for 30 seconds before proceeding 1 2 3 4 eA Turn the rotary switch to the temperature function Set the 5520A fo
22. nt terminals Remove the battery door by using a flat blade screwdriver to turn the battery door fasteners 1 4 turn counterclockwise The case bottom is secured to the case top by four screws one at each corner Remove the screws with a Phillips head screwdriver Pull the two halves of the case apart Removing and Reinserting the Circuit Board Assembly The circuit board assembly must be removed to access and replace the LCD Caution The circuit board is extremely susceptible to contamination Handle it by the input receptacle fuse clips or edges of the board only You can use clean surgical gloves to help avoid contamination Open the Meter case and remove the case bottom to access the circuit board Remove the two Phillips head screws securing the circuit board to the case top and lift it out carefully to avoid contamination To reinsert the circuit board simply place it into the case top with the LCD display showing through the window Carefully replace the two Phillips head screws that connect the circuit board to the case top Caution Do not over torque the two Phillips head screws when you reconnect the circuit board to the case top Doing so may create shielding problems and cause the Meter to give incorrect readings Basic Maintenance Replacing the LCD If you need to replace the LCD you will find it easier to leave the LCD assembly attached to the circuit board and access the LCD by removing the LCD mask fro
23. ormation about MET CAL calibration requirements contact Fluke customer service Temperature Calibration Required equipment e Fluke 87 89 IV Service Software Fluke P N 676152 e Infrared IR Adapter Fluke P N 690518 e IBM compatible PC e Fluke 80T 150U with accuracy certified to 0 2 C e Fluke 8060A Digital Multimeter Optional equipment e Holster IR Adapter Fluke P N 666443 Note The following procedure is only required if the Meter has been repaired by replacing one of the following components A D U4 Reference Junction Sensor U100 or EEPROM U10 Setup Prior to beginning the procedure turn the rotary switch OFF Let the Meter stabilize in a constant ambient temperature for 30 minutes This allows the internal reference junction sensor and input terminals to stabilize to the same temperature Connect the IR adapter to the serial com port of the PC Install the 87 89 IV Service Software 26 Calibration Procedure While the rotary switch is in the OFF position insert the certified 80T 150 probe into the Meter s COM terminal same temperature as reference junction Make sure the probe tip makes firm contact with the bottom of the terminal Measure and record the COM terminal temperature in units of 1 100 C Do not convert this number to Fahrenheit even if the Meter is using the Fahrenheit scale for its display output Turn the rotary switch to the temperature position It does not matter whether the Meter is
24. ount mode divide the number of least significant digits counts by 10 Frequency Duty Cycle amp Pulse Width Specifications Frequency 500 00 Hz 0 005 1 Duty Cycle 10 to 90 50 000 ms 0 001 ms 1 Reading will be 0 00 for signals below 0 5 Hz 2 Duty cycle and pulse width operate on repetitive waveforms at 14 5 Hz or greater Specifications Temperature Specifications Temperature 200 to 1350 C 0 1 C 196 of reading 1 C 328 to 2462 F 0 1 F 196 of reading 1 8 F 1 Accuracy specification is relative to the user adjustable temperature offset and assumes ambient temperature stable to 1 C 2 For ambient temperature changes of 5 C rated accuracy applies after 1 hour MIN MAX Recording Specifications MIN MAX AVG Response 100 ms to 80 Specified accuracy 12 counts for changes gt 200 ms in duration 40 counts in AC for changes gt 350 ms and inputs gt 25 of range FAST MN MX 250 us Specified accuracy 100 counts for changes gt 250 us in duration For repetitive peaks 2 5 ms for single events Frequency Counter Sensitivity Approximate Trigger Minimum Sensitivity RMS Sine Wave Levels DC Voltage Function Input Range 40Hzto20kHz 15 to 40 Hz 20 to 500 kHz 50 mV dB only 15 mV to 3 mV 15 mV 15 mV 500 mV 50 mV to 30 mV 50 mV 30 mV 35 mV 6 mV 3000 mV 1500 mV to 300 mV 2000 mV 2000 mV 170 mV
25. r K type thermocouple and an output of 23 C Enter the Meter Setup mode press yellow button then backlight button Adjust the temperature offset until the temperature on the Meter primary display matches the 5520A output temperature 23 C Use the blue shift button and backlight button to advance digit Use the up and down arrow keys to edit digit Enter an offset value by pressing the yellow button then the backlight button Exit Setup mode by pressing the yellow button then the CANCEL button Perform the steps in Table 3 Table 3 Temperature Test Input and Display Displa mu Display O Lower Limit Upper Limit 10 0 C 11 1 C 8 9 C 350 0 C 345 0 C 355 0 C Performance Tests Testing Voltage Current Resistance Capacitance and Diode Functions To verify the accuracy of Meter functions do the following 1 Connect the Calibrator to the VA gt and COM inputs on the Meter 2 Turn the rotary switch to the function listed in each step 3 Apply the input from the steps listed in Table 4 4 Compare the reading on the Meter display with the display reading in Table 4 5 If the display reading falls outside of the range shown in Table 4 the Meter does not meet specification 6 Repeat steps 2 through 4 for the remaining inputs shown in Table 4 Table 4 Performance Test Steps Frequency or Display Function Input Level Model Lower Upper Limit Limit 5 0000 V 0 25 V 100 kHz 0 2310 0 2690
26. rao a oda Ta Sa E Ra PER Sea ERREUR dea Performance Tests dg see epica Cie ere ipe bei Ee Celo up Da eos Testing the Display 5 eret e dee Dreier ee ie PEE rider Rond Backlight Test eiie eei tpi D preces D ei eb E ee ER edi De ea Current Terminal Sensing Test eee ceecceseceseceseceseceseecsaecsaecssaeenaeeaaes Ia Eli Verification of the IR Communication Port eere i 87 amp 89 Series IV Service Information Testine l mpetatute oe ote ete inepte est ea ede eo RNE rana Testing Voltage Current Resistance Capacitance and Diode Functions Calibration nre desee edere Ue eser anlage eee ERN eee aa Keypad Interface 2e eec eer eite taedet itr eee laco stet ied dds General Procedute in eri etit eter eee eere ne eee bel EEEa Special Requirements eir ee aeterne eie riter tee a a rap ia Calibration Inputs 2 2 3 BE Eee peel a eec Remote Interface siete oett tree teer tte oiee aoii bedeuten Temperature Calibration iiri eerte tereti epe the beo Re Poi ped SOLU MMC E die lucc Re Programming Serial Number or Model Number Parts and ACCESSOMES iier see teet oett ha ee dae tee erede te lee aee eR RET e e a List of Tables Table Title 1 International Symbols ipee teda aa o ie de Cr ashe aH Resi 2 Required Tools and Equipment ene i 3 Temperature Test Input
27. rranty service contact your nearest Fluke authorized service center or send the product with a description of the difficulty postage and insurance prepaid FCA Destination to the nearest Fluke authorized service center Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FCA Destination If Fluke determines that the failure was caused by misuse alteration accident or abnormal condition of operation or handling Fluke will provide an estimate of repair costs and obtain authorization before commencing the work Following repair the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges FCA Shipping Point Warranty service is available outside the United States only if product was purchased through a Fluke Authorized Sales Outlet in the country of use or the applicable Fluke international price was paid Product transported from the United States for which the applicable Fluke international price was not paid must be returned to the U S to receive warranty service at the shipment expense and risk of Buyer Fluke reserved the right to invoice Buyer for importation costs of repair replacement parts when product purchased in one country is submitted for repair in another country THIS WARRANTY IS PURCHASER S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IM
28. tandards Association directives B Inspected and licensed by T V z Double insulated Product Services Battery Underwriters Laboratories Inc Safety Information Safety Information Z Warnings and Precautions To avoid possible electric shock or personal injury follow these guidelines Do not use the Meter if it is damaged Before you use the Meter inspect the case Look for cracks or missing plastic Pay particular attention to the insulation surrounding the connectors Inspect the test leads for damaged insulation or exposed metal Check the test leads for continuity Replace damaged test leads before you use the Meter Do not use the Meter if it operates abnormally Protection may be impaired When in doubt have the Meter serviced Do not operate the Meter around explosive gas vapor or dust Do not apply more than the rated voltage as marked on the Meter between terminals or between any terminal and earth ground Before use verify the Meter s operation by measuring a known voltage When measuring current turn off circuit power before connecting the Meter in the circuit Remember to place the Meter in series with the circuit When servicing 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 fingers behind the finger guards on the probes Connect the common
29. tch to the OFF position to exit calibration Note DC mV calibration affects the calibration of ALL functions and AC mV will affect all AC functions If the accuracy of the calibration source is more than approximately 15 9o from the nominal value required for the cal point then the factory default cal constants will automatically be used instead of source value In this case the Meter may not pass the verification test and may require re calibration 23 87 amp 89 Series IV Service Manual Special Requirements DC mV calibration will affect the calibration of all other functions Therefore the DC mV function must be calibrated before calibrating any other function Similarly AC mV must be calibrated before any AC function but after DC mV The remaining functions may be calibrated in any order Temperature calibration need only be performed if one of the following components are replaced during the course of repair U4 A D chip U10 EEPROM or U100 Reference Junction Sensor Temperature is calibrated by making an external temperature measurement and entering the result into the instrument for calculation of the calibration constant The calibration constant is then stored in calibration memory This is done using the serial interface 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 Num
30. ter off and remove all test leads 2 Shake out any dirt that may be in terminals 3 Soak anew swab with alcohol Clean each terminal with the swab 16 Performance Tests Performance Tests The following performance tests will ensure that the Meter is in proper operating condition and will check the accuracy of each meter function against its specifications To perform the tests you will need a Fluke 5520A Calibrator or equipment meeting the minimum specification given in Table 1 If the Meter fails any of these tests it needs calibration adjustment or repair Testing the Display Push down the button and simultaneously turn the Meter on Compare the display with the example in Figure 4 Check all segments for clarity and contrast FAST MAX MIN AVG KALIMA nS FC HABAG MkOHz T4 e HH e lr 19 7A DE a oon MANUAL HOB D B B O GS om 88 88 aau02f eps Figure 4 Display Test Backlight Test To test the backlight press the button twice Note that the backlight comes on at two different intensity levels Current Terminal Sensing Test This test determines whether or not the Input Alert beeper is functioning properly Note Before conducting this test make sure the beeper is not disabled in setup 1 Turn the rotary switch to the AC V function Press the backlight button twice to turn the backlight to the highest intensity 2 Turn the rotary switch to all functions except current fu
31. test lead before you connect the live test lead When you disconnect test leads disconnect the live test lead first Remove test leads from the Meter before you open the battery door Do not operate the Meter with the battery door or portions of the cover removed or loosened To avoid false readings which could lead to possible electric shock or personal injury replace the batteries as soon as the low battery indicator I appears Use only type AA batteries properly installed in the Meter case to power the Meter Caution To avoid possible damage to the Meter or to the equipment under test follow these guidelines Disconnect circuit power and discharge all high voltage capacitors before testing resistance continuity diodes or capacitance Use the proper terminals function and range for your measurements Before measuring current check the Meter s fuses and turn power OFF to the circuit before connecting the Meter to the circuit 87 amp 89 Series IV Service Manual Specifications Accuracy Accuracy is specified for a period of one year after calibration at 18 C to 28 C 64 F to 82 F with relative humidity to 90 Accuracy specifications are given as of reading number of least significant digits AC mV AC V AC uA AC mA and AC A specifications are ac coupled true rms and are valid from 5 of range to 100 of range AC crest factor can be up to 3 0 at full scale 6 0 at half
32. the back of the Meter in the text box and click OK To enter the model number click Yes or No in the model menu box 27 87 amp 89 Series IV Service Manual Parts and Accessories Replacement parts and accessories are listed in Table 6 and identified in Figure 7 by the reference designator Table 6 Replacement Parts and Accessories Reference Part Description Designators Number Access Door Battery Fuse MP14 658446 Tilt Stand 659026 943121 Accessory Mount 658424 AC70A Alligator Clip Black MP38 738047 1 AC70A Alligator Clip Red MP39 738120 1 TL71 Right Angle Test Lead Set MP34 802980 1 LCD 4 5 Digit Multiplexed DS1 688181 1 Connector Elastomeric LCD to PWB MP30 MP31 690883 2 ANTO ensure safety use exact replacement only 1 Order replacement connectors separately when ordering a replacement LCD 28 Parts and Accessories Figure 7 Replacement Parts and Accessories 87 amp 89 Series IV Service Manual 30
33. timeters hereafter referred to as the meter Information provided includes 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 Model 87 amp 89 Series IV Users Manual To contact Fluke call 1 888 993 5853 in USA and Canada 31 402 678 200 in Europe 8 1 3 3434 0181 Japan 65 738 5655 Singapore 1 425 356 5500 in other countries For additional information about Fluke its products and services visit Fluke s web site at 87 amp 89 Series IV Service Manual 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 a Oo Alternating or direct current C Conforms to European Union directives Refer to the manual Important Conforms to relevant Canadian information S
34. uarter turn counterclockwise 3 Remove either fuse by gently prying one end loose then lifting the fuse out of the fuse contacts 4 Install ONLY specified fuses Reinstall the battery door Secure the door by turning the fasteners one quarter turn clockwise Replacing the Batteries The Meter is powered by four AA batteries NEDA 15A or IEC LR6 Caution Be sure to observe proper polarity when replacing batteries Incorrect battery polarity may seriously damage the Meter To replace the batteries refer to Figure 3 and do the following 1 Turn the rotary switch to OFF and remove the test leads from the terminals 15 87 amp 89 Series IV Service Manual 2 Remove the battery door by using a standard blade screwdriver to the turn the battery door fasteners one quarter turn counterclockwise 3 Replace the batteries observing proper polarity Replace the battery door and secure it by turning the fasteners one quarter turn clockwise tc037f eps Figure 3 Battery and Fuse Replacement Cleaning ANWarning 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 a damp cloth and mild detergent Do not use abrasives or solvents Dirt or moisture in the input terminals can affect readings and can falsely activate the Input Alert feature Clean the terminals as follows Turn the Me
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