Testing The Pushbuttons; Testing Meter Accuracy - Fluke 87 V/AN Service Manual

Testing the Pushbuttons

To test the pushbuttons
1. Turn the Meter rotary knob to J.
2. Press each button and note that the meter responds with a beep for each button
press.
3. Press and hold B a second time to exit MIN MAX mode.

Testing Meter Accuracy

Perform the accuracy test steps in Table 15.
Step Test Function
K
1
2 AC Volts
3
4
5
6
7
8
9
10
K
11
Hz
12
AC Volts
Frequency
13 Sensitivity
14
V
15 Hz
Trigger level
V
16
Hz
Duty Cycle
V
17
18
DC Volts
19
20
V
21
m
22
DC Volts
e
23
24 Ohms
25
26
27
28
Table 15. Accuracy Tests
Range 5500A Output
600 mV 330 mV, 60 Hz
600 mV 600 mV, 13 kHz
6 V 3.3 V, 60 Hz
6 V 3.3 V, 20 kHz
60 V 33 V, 60 Hz
60 V 33 V, 20 kHz
600 V 330 V, 60 Hz
600 V 330 V, 2.5 kHz
1000 V 500 V, 60 Hz
1000 V 1000 V, 1 kHz
600 mV 150 mV, 99.95 kHz
600 mV 150 mV, 199.50 kHz
6 V 0.7 V, 99.95 kHz
60 V 7 V, 99.95 kHz
6 V 3.4 V, 1 kHz Sq. Wave
6 V 5 V, 1 kHz, DC offset 2.5 V
Sq. Wave
6V 3.3 V dc
60 V 33 V dc
600 V 330 V dc
1000 V 1000 V dc
600 mV 33 mV dc
600 mV 330 mV dc
600 Ω 330 Ω ( Use 2 wire Comp)
6 kΩ 3.3 kΩ (Use 2 wire Comp)
60 kΩ 33 kΩ
600 kΩ 330 kΩ
6 MΩ 3.3 MΩ
50 MΩ 30 MΩ
Display Reading
327.3 to 332.7
586.0 to 614.0
3.275 to 3.325
3.214 to 3.386
32.75 to 33.25
32.14 to 33.86
327.5 to 332.5
323.0 to 337.0
494 to 506
986 to 1014
99.93 to 99.97
199.48 to 199.52
99.93 to 99.97
99.93 to 99.97
999.8 to 1000.2
49.7 % to 50.3 %
3.297 to 3.303
32.97 to 33.03
329.7 to 330.3
998 to 1002
32.9 to 33.1
329.6 to 330.4
1
329.1 to 330.9
1
3.292 to 3.308
32.92 to 33.08
327.9 to 332.1
3.279 to 3.321
29.67 to 30.33
Digital Multimeter
Performance Tests
27