® Model 88 V Automotive Multimeter Users Manual PN 2166623 August 2004, Rev. 1, 1/06 © 2004, 2006 Fluke Corporation. All rights reserved. Printed in USA All product names are trademarks of their respective companies.
LIMITED WARRANTY AND LIMITATION OF LIABILITY 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.
Table of Contents Title Introduction .................................................................................................................... Contacting Fluke ............................................................................................................ Safety Information .......................................................................................................... The Meter's Features ....................................................................................
Model 88 V Users Manual Measuring Duty Cycle ............................................................................................... Measuring Pulse Width ............................................................................................. Bar Graph ...................................................................................................................... Zoom Mode (Power Up Option Only) ........................................................................
Contents (continued) Service and Parts ........................................................................................................... Specifications ................................................................................................................. General Specifications............................................................................................... Detailed Specifications ..............................................................................................
Model 88 V Users Manual iv
List of Tables Table Title Page 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. Electrical Symbols ................................................................................................................. 88 V Automotive Multimeter Front Controls........................................................................... Input Terminals...................................................................................................................... Rotary Switch Positions.........
Model 88 V Users Manual 18. 19. 20. Frequency Counter Sensitivity and Trigger Levels................................................................ 72 Electrical Characteristics of the Terminals ............................................................................ 73 Min Max Recording Specifications ........................................................................................
List of Figures Figure Title Page 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 88 V Automotive Multimeter Front ......................................................................................... Measuring AC and DC Voltage ............................................................................................. Testing for Continuity............................................................................................................. Measuring Resistance ................
Model 88 V Users Manual 18. 19. 20. 21. 22. Measuring the No-Load Voltage of a Battery ........................................................................ Testing for Continuity in a Switch.......................................................................................... Testing the Current Fuses..................................................................................................... Battery and Fuse Replacement.......................................................................
Automotive Multimeter Introduction To register your product, visit register.fluke.com Introduction XWWarning Safety Information Read "Safety Information" before you use the Meter. The Meter complies with: The Model 88 V Automotive Multimeter (“the Meter”) is a hand-held, battery-operated measurement device used for voltage, continuity, resistance, current, diode, capacitance, frequency, temperature, RPM, pulse width, and duty cycle measurements.
Model 88 V Users Manual XWWarning • 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. • Make sure the battery door is closed and latched before operating the Meter. • Replace the battery as soon as the battery indicator (M) appears.
Automotive Multimeter Safety Information • • • • Do not operate the Meter around explosive gas, vapor, or dust. Use only a single 9 V battery, properly installed in the Meter case, to power the Meter. When servicing the Meter, use only specified replacement parts. When using probes, keep fingers behind the finger guards on the probes.
Model 88 V Users Manual Table 1. Electrical Symbols B AC (Alternating Current) F DC (Direct Current) I Fuse X Hazardous voltage P Conforms to European Union directives. W Risk of Danger. Important information. See Manual. $ Conforms to relevant Canadian Standards Association directives. M Battery. Low battery when displayed. T Double insulated R Continuity test or continuity beeper tone.
Automotive Multimeter The Meter's Features Table 2. 88 V Automotive Multimeter Front Controls The Meter's Features Tables 2 through 6 briefly describe the Meter's features. 1 88 2 MIN MAX RANGE REL Number Description A Display B Pushbuttons C Rotary Switch D Input Terminals AutoHOLD Hz % 3 4 A mA A 10A MAX FUSED COM 400mA FUSED ayg40f.eps Figure 1.
Model 88 V Users Manual Table 3. Input Terminals Terminal 6 Description A Input for 0 A to 10.00 A current measurements (20 A overload for 30 seconds maximum), current frequency, duty cycle, and pulse width measurements. mA µA Input for 0 µA to 400 mA current measurements (600 mA for 18 hrs.), current frequency, duty cycle, and pulse width. COM Return terminal for all measurements.
Automotive Multimeter The Meter's Features Table 4. Rotary Switch Positions Switch Position Any Position Function When the Meter is turned on, the Meter model number briefly appears on the display. K AC voltage measurement L DC voltage measurement Press A for RPM o, press again for RPM n. 600 mV dc voltage range M Press A for temperature (T). Press E for continuity test. N e Resistance measurement Press A for capacitance measurement. O Diode test e DC current measurements from 0 mA to 10.
Model 88 V Users Manual Table 5. Pushbuttons Button A (Yellow) B 8 Switch Position Function N Selects capacitance M Selects temperature g K L Selects measurement of RPM o or RPM n e f Switches between dc and ac current Power-up Disables automatic power-off feature (Meter normally powers off in 30 minutes). The Meter reads “PoFF” until A is released. Any switch position Starts recording of minimum and maximum values and disables power-off feature.
Automotive Multimeter The Meter's Features Table 5. Pushbuttons (cont.) Button C D Switch Position Function Any switch position Switches between the ranges available for the selected function. To return to autoranging, hold the button down for 1 second. M Switches between °C and °F when temperature is selected. Power-up Enables the Meter’s smoothing feature. The Meter reads “5___” until C is released. Any switch position AutoHOLD captures the present reading on the display.
Model 88 V Users Manual Table 5. Pushbuttons (cont.) Button E Switch Position Continuity ReE Turns the continuity beeper on and off MIN MAX recording Switches between Peak (250 µs) and Normal (100 ms) response times. Hz, Duty Cycle Toggles the meter to trigger on positive or negative slope. Power-up F (Relative mode) G Any switch position Power-up Any switch position except diode test Power-up 10 Function Disables the beeper for all functions. The Meter reads “bEEP” until E is released.
Automotive Multimeter The Meter's Features Table 6. Display Features Number Feature D a E ayg04f.eps Number Feature Y A Indication Polarity indicator for the analog bar graph. TrigY Positive or negative slope indicator for Hz/duty cycle triggering, pulse width, RPM. B X The continuity beeper is on. C W Relative (REL) mode is active. - Indication Smoothing is active. Indicates negative readings.
Model 88 V Users Manual Number L Feature Indication A, µA, mA Amperes (amps), Microamp, Milliamp V, mV Volts, Millivolts µF, nF Microfarad, Nanofarad nS Nanosiemens % Percent. Used for duty cycle measurements. ms Milliseconds. Used for pulse width measurement.
Automotive Multimeter The Meter's Features Number -bAtt diSC EEPr Err CAL Err Feature 0L Indication Overload condition is detected. Messages Replace the battery immediately. In the capacitance function, too much electrical charge is present on the capacitor being tested. Invalid EEPROM data. Have Meter serviced. Invalid calibration data. Calibrate Meter. LEAd WTest lead alert.
Model 88 V Users Manual Making Measurements AC Voltage 88 The following sections describe how to take measurements with the Meter. Switch Box MIN MAX Measuring AC and DC Voltage The Meter's voltage ranges are 600.0 mV, 6.000 V, 60.00 V, 600.0 V, and 1000 V. To select the 600.0 mV dc range, turn the rotary switch to mV. To measure ac or dc voltage, refer to Figure 2.
Automotive Multimeter Making Measurements Measuring Temperature To measure temperature, do the following: The Meter measures the temperature of a type-K thermocouple (included). Choose between degrees Celsius (°C) or degrees Fahrenheit (°F) by pushing C. 1. Connect a type-K thermocouple to the Meter’s COM and h terminals. 2. Turn the rotary switch to M. XW Caution 3. Press A to enter temperature mode.
Model 88 V Users Manual Testing for Continuity XWCaution To avoid possible damage to the Meter or to the equipment under test, disconnect circuit power and discharge all high-voltage capacitors before testing for continuity. The continuity test features a beeper that sounds as long as a circuit is complete. The beeper allows you to perform quick continuity tests without having to watch the display. To test for continuity, set up the Meter as shown in Figure 3 .
Automotive Multimeter Making Measurements For in-circuit tests, turn circuit power off. ON (closed) 88 88 OFF (open) Activates continuity beeper MIN MAX RANGE REL A mA A 10A MAX FUSED COM 400mA FUSED MIN MAX AutoHOLD RANGE REL Hz % A mA A 10A MAX FUSED AutoHOLD Hz % COM 400mA FUSED ayg03.eps Figure 3.
Model 88 V Users Manual Measuring Resistance XWCaution • • To avoid possible damage to the Meter or to the equipment under test, disconnect circuit power and discharge all high-voltage capacitors before measuring resistance. Follow the manufacturers test procedures when testing air bags. See Table 19 for current levels. The Meter measures resistance by sending a small current through the circuit.
Automotive Multimeter Making Measurements In-Circuit Resistance Measurements Isolating a Potentiometer Circuit Power OFF 88 1 3 2 Disconnect MIN MAX RANGE REL AutoHOLD Hz % 2 1 3 Isolating a Resistor A mA A 10A MAX FUSED COM 400mA FUSED Disconnect aug06f.eps Figure 4.
Model 88 V Users Manual Using Conductance for High Resistance or Leakage Tests The following are some tips for measuring conductance: • High-resistance readings are susceptible to electrical noise. To smooth out most noisy readings, enter the MIN MAX recording mode; then step to the average (AVG) reading. • There is normally a residual conductance reading with the test leads open. To ensure accurate readings, use the relative (REL) mode to subtract the residual value.
Automotive Multimeter Making Measurements Measuring Capacitance 88 XWCaution To avoid possible damage to the Meter or to the equipment under test, disconnect circuit power and discharge all high-voltage capacitors before measuring capacitance. Use the dc voltage function to confirm that the capacitor is discharged. The Meter's capacitance ranges are 10.00 nF, 100.0 nF, 1.000 µF, 10.00 µF, 100.0 µF, and 9999 µF.
Model 88 V Users Manual Testing Diodes XWCaution To avoid possible damage to the Meter or to the equipment under test, disconnect circuit power and discharge all high-voltage capacitors before testing diodes. Use the diode test to check diodes, transistors, silicon controlled rectifiers (SCRs), and other semiconductor devices. This function tests a semiconductor junction by sending a current through the junction, then measuring the junction's voltage drop. A good silicon junction drops between 0.5 V and 0.
Automotive Multimeter Making Measurements Forward Bias Reverse Bias 88 88 Typical Reading MIN MAX RANGE REL + + AutoHOLD MIN MAX Hz % RANGE REL AutoHOLD Hz % Single Beep A mA A COM A 400mA FUSED 10A MAX FUSED mA A COM 400mA FUSED 10A MAX FUSED Shorted 88 88 Bad Diode MIN MAX RANGE REL A mA A 10A MAX FUSED COM 400mA FUSED Open Bad Diode AutoHOLD MIN MAX Hz % RANGE REL A mA A 10A MAX FUSED or AutoHOLD Hz % COM 400mA FUSED ayg09f.eps Figure 6.
Model 88 V Users Manual Measuring DC or AC Current XWWarning To avoid possible electric shock or personal injury, never attempt an in-circuit current measurement where the open-circuit potential to earth is greater than 1000 V. You may damage the Meter or be injured if the fuse blows during such a measurement. The Meter's current ranges are 600.0 µA, 6000 µA, 60.00 mA, 400.0 mA, 6000 mA, and 10 A. To measure current, refer to Figure 7 and proceed as follows: 1. Turn off power to the circuit.
Automotive Multimeter Making Measurements 5. Break the circuit path to be tested. Touch the black probe to the more negative side of the break; touch the red probe to the more positive side of the break. Reversing the leads will produce a negative reading, but will not damage the Meter. 6. Turn on power to the circuit; then read the display. Be sure to note the unit given at the right side of the display (µA, mA, or A). 7. Turn off power to the circuit and discharge all highvoltage capacitors.
Model 88 V Users Manual Circuit Power: OFF to connect meter. ON for measurement. OFF to disconnect meter. Total current to circuit 88 4 MIN MAX RANGE REL AutoHOLD 3 Hz % 5 2 A mA A 10A MAX FUSED Current through one component COM 400mA FUSED 5 ayg07f.eps Figure 7.
Automotive Multimeter Making Measurements Measuring Frequency The Meter measures the frequency of a voltage or current signal by counting the number of times the signal crosses a threshold level each second. Table 7 summarizes the trigger levels and applications for measuring frequency using the various ranges of the Meter's voltage and current functions. To measure frequency, connect the Meter to the signal source; then press G.
Model 88 V Users Manual Table 7. Functions and Trigger Levels for Frequency Measurements Typical Application Range K 6 V, 60 V, 600 V, 1000 V ± 5 % of scale Most signals. 600 mV ± 30 mV High-frequency 5 V logic signals. (The dc-coupling of the L function can attenuate high-frequency logic signals, reducing their amplitude enough to interfere with triggering.) 600 mV 40 mV Refer to the measurement tips given on page 27. L 6V 1.7 V 5 V logic signals (TTL). L 60 V 4.
Automotive Multimeter Making Measurements frequency function, you can change the slope for the Meter's counter by pressing E. Measuring Duty Cycle Duty cycle (or duty factor) is the percentage of time a signal is above or below a trigger level during one cycle (Figure 8). The duty cycle mode is optimized for measuring the on or off time of logic and switching signals.
Model 88 V Users Manual Measuring Pulse Width For a periodic waveform (its pattern repeats at equal time intervals), you can determine the amount of time that the signal is high or low as follows: 1. Measure the signal's frequency by pressing G once. 2. Press G two more times to measure pulse width in milliseconds (ms) Press E to toggle between the signal’s positive or negative pulse. In the 60 V range, for example, the major divisions on the scale represent 0, 15, 30, 45, and 60 V.
Automotive Multimeter HiRes Mode For zero adjustments, set the Meter to the desired function, short the test leads together, press F; then connect the leads to the circuit under test. Adjust the circuit's variable component until the display reads zero. Only the center segment on the zoom bar graph is lit. For peak adjustments, set the Meter to the desired function, connect the leads to the circuit under test; then press F. The display reads zero.
Model 88 V Users Manual The average reading is useful for smoothing out unstable inputs, calculating power consumption, or estimating the percentage of time a circuit is active. Note Monitoring average while testing oxygen sensors displays fuel trim trends. Min Max records the signal extremes lasting longer than 100 ms. Peak records the signal extremes lasting longer than 250 µs.
Automotive Multimeter Smooth Feature (Power Up Option Only) Table 8. MIN MAX Functions Button B B (while in MIN MAX mode) E PEAK MIN MAX D B (hold for 1 second) MIN MAX Function Enter MIN MAX recording mode. The Meter is locked in the range displayed before you entered MIN MAX mode. (Select the desired measurement function and range before entering MIN MAX.) The Meter beeps each time a new minimum or maximum value is recorded. Step through maximum (MAX), minimum (MIN), average (AVG) and present values.
Model 88 V Users Manual AutoHOLD Mode XWWarning To avoid possible electric shock or personal injury, do not use AutoHOLD mode to determine that circuits are without power. The AutoHOLD mode will not capture unstable or noisy readings. The AutoHOLD mode captures the present reading on the display. When a new, stable reading is detected, the Meter beeps and displays the new reading. To enter or exit AutoHOLD mode, press D.
Automotive Multimeter Using the Meter for Automotive Applications Measuring RPM • RPM can be measured in either the dc volts or ac volts function. In dc volts, the measurement is dc-coupled, while in the ac volts position, it is ac coupled. If RPM readings appear noisy, you should use the function setting that provides the most stable reading. On some systems with non-resistor plugs, the pickup may need to be moved away from plug or use the AC function.
Model 88 V Users Manual 3. Turn rotary switch to K or L. 4. For 4-cycle engines that fire once every other revolution, press A once to select RPMo. For systems that fire every revolution (2-cycle engines), and for DIS waste spark systems, press A twice to select RPMn. 5. Clamp the Inductive Pickup to a plug wire near the spark plug. (Make sure that the jaws are closed completely and the side labeled SPARK PLUG SIDE faces the spark plug). 6. Turn engine on. Read RPM on the display.
Automotive Multimeter Using the Meter for Automotive Applications 6 88 4 MIN MAX RANGE REL E G SID K PLU SPAR AutoHOLD Hz % 3 5 2 A mA A 10A MAX FUSED COM 400mA FUSED ayg21f.eps Figure 9.
Model 88 V Users Manual Testing MAP or BP/MAP Sensors with Frequency Output To use the Frequency function to check barometric pressure/ manifold absolute pressure (BP/MAP) sensors: 1. Insert the test leads in the input terminals as shown in Figure 10. 2. Set the rotary switch to L. 3. Connect the test lead clips to the circuit according to the manufacturer’s wiring diagrams. 4. Press G once to select frequency. Hz appears on the display. Press C repeatedly to step to the 6 V range.
Automotive Multimeter Using the Meter for Automotive Applications 6 88 4 MIN MAX RANGE REL AutoHOLD Hz % 2 1 A mA A 10A MAX FUSED COM 400mA FUSED 3 ayg22f.eps Figure 10.
Model 88 V Users Manual Measuring Internal Resistance of an Ignition Coil When measuring resistance, be sure that the contact between the probes and the circuit is clean. Dirt, oil, paint, rust or other foreign matter seriously affect resistance. Measure resistance in the primary and secondary coils when the coil is hot and cold. 1. Insert test leads in the input terminals shown in Figure 11. 2. Turn rotary switch to N. 3. Touch the probes as shown to measure resistance in primary windings. 4.
Automotive Multimeter Using the Meter for Automotive Applications 4 88 MIN MAX RANGE REL A mA A 3 AutoHOLD Hz % 6 88 MIN MAX 2 RANGE REL COM A mA A 5 AutoHOLD Hz % COM 1 10A MAX FUSED 400mA FUSED 10A MAX FUSED 400mA FUSED ayg11f.eps Figure 11.
Model 88 V Users Manual Measuring Pulse Width on a Port Fuel Injector In Pulse Width (and Duty Cycle), the meter defaults to (-) trigger slope; (time signal is low). Press E (± TRIGGER) to toggle between (±) trigger slopes. The slope is indicated by the + or - sign next to “Trig” in the lower-left corner of the display. To measure pulse width on most port fuel injectors: 1. Insert test leads in the input terminals shown in Figure 12. 2. Set the rotary switch to L. 3. Connect the test leads as shown.
Automotive Multimeter Using the Meter for Automotive Applications 5 88 3 4 MIN MAX RANGE REL AutoHOLD Hz % 2 A mA A 10A MAX FUSED COM 1 400mA FUSED ayg12f.eps Figure 12.
Model 88 V Users Manual Testing Ripple Voltage on an Alternator Ripple voltage or ac voltage can be measured by switching your meter to ac and connecting the black lead to a good ground and the red lead to the “BAT” terminal on the back of the alternator (not at the battery). 1. Insert the test leads as shown in Figure 13. 2. Set the rotary switch to K. 3. Touch the red probe to the “BAT” side of the alternator and the black probe to ground. 4. Read the display.
Automotive Multimeter Using the Meter for Automotive Applications 4 88 MIN MAX RANGE REL AutoHOLD Hz % 2 A mA A 10A MAX FUSED COM 1 3 400mA FUSED ayg16f.eps Figure 13.
Model 88 V Users Manual Measuring Voltages on a Typical Oxygen Sensor Watch the bar graph sweep as oxygen voltage changes. Depending on the driving conditions, the oxygen voltage will rise and fall, but it usually averages around 0.450 V dc. 1. Shut the engine off and insert test lead in the input terminals shown in Figure 14. 2. Set the rotary switch to L. 3. Press C three times to select the 6 V range. 4. Connect the test leads as shown. 5. Start the engine.
Automotive Multimeter Using the Meter for Automotive Applications 6 88 5 3 MIN MAX RANGE REL AutoHOLD Hz % 2 A mA A 10A MAX FUSED COM 1 400mA FUSED 4 ayg14f.eps Figure 14.
Model 88 V Users Manual Measuring Starter Circuit Voltage Drop Since AutoHOLD ignores readings of 0, it will retain the voltage drop after you quit cranking. 1. Insert test leads in the input terminals shown in Figure 15. 2. Set the rotary switch to M. If you are measuring over 600 mV, “0L” will appear. Switch to L and select the 6 V range. 3. Press D, RS is displayed. 4. Touch probes across the connection to be measured. 5. Crank engine 4-5 seconds.
Automotive Multimeter Using the Meter for Automotive Applications 5 88 3 MIN MAX RANGE REL AutoHOLD Hz % 2 + A mA A 10A MAX FUSED COM 400mA FUSED – 1 4 ayg17f.eps Figure 15.
Model 88 V Users Manual Testing the Throttle Position Sensor Voltage Testing the Throttle Position Sensor Resistance The throttle position sensor sends a signal to the computer indicating the position of the throttle. To test the throttle position sensor: 1. Insert test leads in the input terminals shown in Figure 16. 2. Set the rotary switch to N. 1. Insert test leads in the input terminals shown in Figure 16. 3. Press C to select Manual range. Press C to repeatedly to stip to the 6 kΩ range.
Automotive Multimeter Using the Meter for Automotive Applications 7 88 4 5 MIN MAX RANGE REL A mA A 10A MAX FUSED COM AutoHOLD Hz % 3 1 400mA FUSED ayg15f.eps Figure 16.
Model 88 V Users Manual Isolating a Circuit Causing a Current Drain 1. Insert the test leads in the input terminals shown in Figure 17. 2. Turn switch to e. 3. Disconnect battery terminal and touch probes as shown. To avoid electric shock or personal injury, do not attempt this test on a lead-acid battery that has recently been recharged. XWCaution Note Use a battery isolator momentarily while connecting the meter to retain PCM memory. 4.
Automotive Multimeter Using the Meter for Automotive Applications 5 88 4 MIN MAX RANGE REL AutoHOLD Hz % 2 3 A mA A 10A MAX FUSED COM + 1 400mA FUSED ayg18f.eps Figure 17.
Model 88 V Users Manual Table 9. Battery Charge Voltages Measuring System Voltage Bleed the surface charge from the battery by turning the headlights on for 1 minute. Measure the voltage across the battery terminal with the lights off. When possible, individual cell specific gravity should be checked with a hydrometer. A load test should be done to indicate battery performance under load. Voltage tests only tell the state of charge, not the battery condition. To measure system voltage: 1.
Automotive Multimeter Using the Meter for Automotive Applications 5 88 MIN MAX RANGE REL AutoHOLD Hz % 2 + A mA A 10A MAX FUSED COM 1 400mA FUSED 4 ayg19f.eps Figure 18.
Model 88 V Users Manual Testing for Continuity in a Switch A continuity test verifies that you have a closed circuit. The continuity function detects opens or shorts as fast as 1 millisecond. This can be a valuable trouble-shooting aid when looking for intermittents associated with cables, connections, switches, and relays. 1. Insert test leads in the input terminals shown in Figure 19. 2. Turn rotary switch to N. 3. Press the E button. 4. Connect probes to stoplight switch. 5.
Automotive Multimeter Using the Meter for Automotive Applications 5 88 3 MIN MAX RANGE REL AutoHOLD Hz % 2 A mA A 10A MAX FUSED COM 4 1 5 400mA FUSED ayg20f.eps Figure 19.
Model 88 V Users Manual Testing the Fuse Maintenance XWWarning To avoid possible electric shock or personal injury, repairs or servicing not covered in this manual should be performed only by qualified personnel. General Maintenance Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents. Dirt or moisture in the terminals can affect readings and can falsely activate the Input Alert feature. Clean the terminals as follows: 1.
Automotive Multimeter Maintenance Replacing the Battery Good F2 fuse: 00.0 Ω to 00.5 Ω Replace fuse: OL 88 MIN MAX RANGE REL AutoHOLD Replace the battery with a 9 V battery (NEDA A1604, 6F22, or 006P). Hz % XWWarning Touch top half of input contacts A mA A To avoid false readings, which could lead to possible electric shock or personal injury, replace the battery as soon as the battery indicator (b) appears. If the display shows “bAtt” the Meter will not function until the battery is replaced.
Model 88 V Users Manual Replacing the Fuses 7. Referring to Figure 21, examine or replace the Meter's fuses as follows: Verify that the rotary switch and the circuit board switch are in the OFF position. 8. Replace the case top, ensuring that the gasket is properly seated and case snaps together above the LCD. 9. Reinstall the three screws and the battery door. Secure the door by turning the screws one-quarter turn clockwise. 1.
Automotive Multimeter Service and Parts F1 F2 ayg33f.eps Figure 21.
Model 88 V Users Manual Table 10. Replacement Parts Item BT1 F1 W F2 W H2-4 H5-9 J1-2 MP10-11 MP2 MP4 MP5 MP6 MP8 MP9 MP13 MP14 MP15 Description Battery, 9 V Fuse, 0.
Automotive Multimeter Service and Parts Table 10. Replacement Parts (cont.) Item MP390-391 U5 CR6 S2 TM1 TM2 TM3 Description Access Door Fastener LCD, 4.5 DIGIT,TN, Transflective, Bar Graph, OSPR80 Light pipe Keypad Model 88 V Automotive Multimeter Users Manual (this manual) Model 88 V Automotive Multimeter Quick Reference Card CD ROM, 88 Qty.
Model 88 V Users Manual MP8 MP5 S2 Holster MP15 MP31 F2 U5 CR6 W F1 MP8 MP4 MP2 Tilt Stand MP6 H1 (4) MP10 BT1 MP11 H5, 6 MP22 ayg34f.eps Figure 22.
Automotive Multimeter Service and Parts Table 11.
Model 88 V Users Manual Specifications General Specifications Maximum Voltage between any Terminal and Earth Ground: ..................................................... 1000 V W Fuse Protection for mA or µA inputs: ................ 44/100 A, 1000 V FAST Fuse W Fuse Protection for A input:................................ 11 A, 1000 V FAST Fuse Display: ..........................................................................
Automotive Multimeter Specifications Size with Holster and Flex-Stand:.............................2.06 in x 3.86 in x 7.93 in (5.2 cm x 9.8 cm x 20.1 cm) Weight: ........................................................................12.5 oz (355 g) Weight with Holster and Flex-Stand: ........................22.0 oz (624 g) Safety: .........................................................................Complies with ANSI/ISA S82.01-2004, CSA 22.2 No. 1010.
Model 88 V Users Manual Table 13. DC Voltage, Resistance, and Conductance Function Specifications Function L F mV e nS 1. 2. Range Resolution Accuracy 6.000 V 60.00 V 600.0 V 1000 V 0.001 V 0.01 V 0.1 V 1V ± (0.1 % + 1) ± (0.1 % + 1) ± (0.1 % + 1) ± (0.1 % + 1) 600.0 mV 0.1 mV ± (0.3 % + 1) 600.0 Ω 6.000 kΩ 60.00 kΩ 600.0 kΩ 6.000 MΩ 50.00 MΩ 60.00 nS 0.1 Ω 0.001 kΩ 0.01 kΩ 0.1 kΩ 0.001 MΩ 0.01 MΩ 0.01 nS ± (0.4 % + 2)1 ± (0.4 % + 1) ± (0.4 % + 1) ± (0.7 % + 1) ± (0.7 % + 1) ± (1.
Automotive Multimeter Specifications Table 15. Current Function Specifications Function Range Resolution Accuracy1 Burden Voltage (typical) mA \ 60.00 mA 0.01 mA ± (1.2 % + 2) 3 1.8 mV/mA 400.0 mA4 0.1 mA ± (1.2 % + 2) 3 1.8 mV/mA (45 Hz to 2 kHz) 6.000 A 0.001 A ± (1.2 % + 2) 3 0.03 V/A 10.00 A2 0.01 A ± (1.2 % + 2) 3 0.03 V/A 60.00 mA 0.01 mA ± (0.4 % + 4) 1.8 mV/mA 400.0 mA4 0.1 mA ± (0.4 % + 2) 1.8 mV/mA 6.000 A 0.001 A ± (0.4 % + 4) 0.03 V/A 10.00 A2 0.01 A ± (0.
Model 88 V Users Manual Table 16. Capacitance and Diode Function Specifications Function E G 1. 70 Range Resolution Accuracy 10.00 nF 100.0 nF 1.000 µF 10.00 µF 100.0 µF 9999 µF 0.01 nF 0. 1 nF 0.001 µF 0.01 µF 0.1 µF 1 µF ± (1 % + 2) 1 ± (1 % + 2) ± (1 % + 2) ± (1 % + 2) ± (1 % + 2) ± (1 % + 2) 3.000 V 0.001 V ± (2 % + 1) With a film capacitor or better, using Relative mode to zero residual.
Automotive Multimeter Specifications Table 17. Frequency Counter Specifications Function Range Resolution Accuracy ± (0.01 % + 1) ± (0.01 % + 1) ± (0.01 % + 1) ± (0.01 % + 1) unspecified Frequency2 (0.5 Hz to 200 kHz, pulse width > 2 µs) 199.99 1999.9 19.999 kHz 199.99 kHz > 200 kHz 0.01 Hz 0.1 Hz 0.001 kHz 0.01 kHz 0.1 kHz RPM n 30 to 9,0004 1 RPM ± 2 RPM RPM o 60 to 12,0004 1 RPM ± 2 RPM % Duty Cycle3 0.0 to 99.9% (0.5 Hz to 200 kHz, Pulse Width >2 µs) Pulse Width3 0.002 to 1999.
Model 88 V Users Manual Table 18. Frequency Counter Sensitivity and Trigger Levels 5 Hz - 20 kHz 1. 72 Approximate Trigger Level Minimum Sensitivity Input Range1 (DC Voltage Function) 0.5 Hz - 200 kHz 600 mV dc 70 mV (to 400 Hz) 70 mV (to 400 Hz) 40 mV 600 mV ac 150 mV 150 mV 6V 0.3 V 0.7 V 1.7 V 60 V 3V 7 V (≤140 kHz) 4V 600 V 30 V 70 V (≤14.0 kHz) 40 V 1000 V 100 V 200 V (≤1.4 kHz) 100 V Maximum input for specified accuracy = 10X range or 1000 V.
Automotive Multimeter Specifications Table 19. Electrical Characteristics of the Terminals Function L Overload Input Impedance Protection1 (nominal) 1000 V 10 MΩ < 100 pF Common Mode Rejection Ratio Normal Mode Rejection (1 kΩ unbalance) > 120 dB at dc, > 60 dB at 50 Hz or 60 Hz 50 Hz or 60 Hz F mV 1000 V K 1000 V 10 MΩ < 100 pF > 120 dB at dc, > 60 dB at 50 Hz or 60 Hz 50 Hz or 60 Hz 10 MΩ < 100 pF > 60 dB, dc to 60 Hz (ac-coupled) Open Circuit Test Voltage Full Scale Voltage To 6.
Model 88 V Users Manual Table 20. Min Max Recording Specifications Nominal Response 100 ms to 80 % Accuracy Specified accuracy ± 12 counts for changes > 200 ms in duration (dc functions) 120 ms to 80 % Specified accuracy ± 40 counts for changes > 350 ms and inputs > 25 % of range (ac functions) 250 µs (peak) 1 Specified accuracy ± 100 counts for changes > 250 µs in duration (add ± 100 counts for readings over 6000 counts) 1. 74 For repetitive peaks: 1 ms for single events.
