True-rms Multimeter
Performance Tests
17
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 6.
Table 6. Accuracy Tests
Step
Test
Function
Range
5500A Output
Display Reading
1
600 mV
330 mV, 60 Hz
327.3 to 332.7
2
600 mV
600 mV, 13 kHz
586.0 to 614.0
3
6 V
3.3 V, 60 Hz
3.275 to 3.325
4
6 V
3.3 V, 20 kHz
3.214 to 3.386
5
60 V
33 V, 60 Hz
32.75 to 33.25
6
60 V
33 V, 20 kHz
32.14 to 33.86
7
600 V
330 V, 60 Hz
327.5 to 332.5
8
600 V
330 V, 2.5 kHz
323.0 to 337.0
9
1000 V
500 V, 60 Hz
494 to 506
10
K
AC Volts
1000 V
1000 V, 1 kHz
986 to 1014
11
600 mV
150 mV, 99.95 kHz
99.93 to 99.97
12
K
Hz
AC Volts
Frequency
600 mV
150 mV, 199.50 kHz
199.48 to 199.52
13
6 V
0.7 V, 99.95 kHz
99.93 to 99.97
14
Sensitivity
60 V
7 V, 99.95 kHz
99.93 to 99.97
15
V
Hz
Trigger level
6 V
3.4 V, 1 kHz Sq. Wave
999.8 to 1000.2
16
V
Hz
Duty Cycle
6 V
5 V, 1 kHz, DC offset 2.5 V
Sq. Wave
49.7 % to 50.3 %
17
6V
3.3 V dc
3.297 to 3.303
18
60 V
33 V dc
32.97 to 33.03
19
600 V
330 V dc
329.7 to 330.3
20
V
DC Volts
1000 V
1000
V dc
998 to 1002
21
600 mV
33 mV dc
32.9 to 33.1
22
m
V
DC Volts
600 mV
330 mV dc
329.6 to 330.4
