Digital Multimeter
Performance Tests
13
Required Equipment
Table 4 is a list of the equipment necessary to do performance tests on the Meter.
Table 4. Required Equipment
Recommended Equipment
Measurement Function
Accuracy
Calibrator
(Fluke 5520A or equivalent)
DC Volts
0 V to 1000 V
±
0.012 %
DC Current
350
μ
A to 2 A
±
0.05 %
AC Volts
0 V to 1000 V
±
0.15 %
@ 60 Hz to 20 kHz
±
3 %
AC Current
350
μ
A to 2 A
±
0.39 %
@ 60 Hz to 1 kHz
Resistance
1
Ω
to 100 M
Ω
±
0.06 %
Capacitance
9
μ
F to 900
μ
F
±
0.475 %
Frequency
19.999 kHz to 199.99 kHz,
±
0.0137 %
150 mV to 6 Vrms,
±
5 %
K-type Thermocouple, mini-plug
on both ends
Temperature
Accuracy Test
To measure the accuracy of the Meter, set the Calibrator to the Calibrator output
parameters shown in Table 5. Make sure the UUT measurement is between the low and
high limit shown in the table.
Table 5. Accuracy Tests
Step
Test
Function
Range Calibrator
Output
UUT Measurement
Low Limit
High Limit
1
AC Volts
600 mV
60 mV, 60 Hz
59.2 mV
60.8 mV
2
600 mV
330 mV, 60 Hz
327.3 mV
332.7 mV
3
600 mV
600 mV, 13 kHz
586.0 mV
614.0 mV
4
6 V
675 mV, 60 Hz
0.666 mV
0.684 mV
5
6 V
3.3 V, 60 Hz
3.273 V
3.327 V
6
6 V
3.3 V, 20 kHz
3.214 V
3.386 V
7
60 V
6.75 v, 60 Hz
6.68 V
6.82 V
8
60 V
33 V, 60 Hz
32.75 V
33.25 V
9
600 V
67.5 V, 60 Hz
66.8 V
68.2 V
10
600 V
330 V, 60 Hz
327.5 V
332.5 V
11
600 V
330 V, 2.5 kHz
323.0 V
337.0 V
12
1000 V
100 V, 60 Hz
97 V
103 V
13
1000 V
1000 V, 1 kHz
986 V
1014 V
