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Table 3b DC mA Test:
Step
Range
Source Reading
1
40mA
30.00mA 29.73 to 30.27
2
400mA
300.0mA 297.3 to 302.7
Testing the DC ampere Function (for 61-340 and 61-342)
1. Connect the calibrator to the 10A and COM inputs on the meter.
2. Turn the rotary switch to
.
a. Press the SELECT button to select the DC function
3. Apply the inputs for steps 1-2 in Table 3c.
4. For each input, compare the reading on the meter display to the reading for your meter in Table 3c
5. If the display reading falls outside of the range shown in Table 3c, the meter does not meet
specification.
Table 3c DCA Test:
Step
Range
Source Reading
1
4
3.000A 2.950 to 3.050
2
10
10.00A 9.80 to 10.20
Testing the AC microampere Function (for 61-340 and 61-342)
To verify the accuracy of AC and DC current measurement functions, do the following:
1. Connect the calibrator to the
and COM inputs on the meter.
2. Turn the rotary switch to
a. Press the SELECT button to select the AC function
b. Press the REL button to make the display is zero
3. Apply the inputs for steps 1-6 in Table 4a.
4. For each input, compare the reading on the meter display to the reading for your meter in Table 4a
5. If the display reading falls outside of the range shown in Table 4a, the meter does not meet
specification.
Table 4a AC microampere Test:
Step
Range
Source
Frequency
Reading
1
400µA
40µA
60
38.9 to 41.1
2
400µA
40µA
400
38.9 to 41.1
3
400µA
300.0µA
400
295.0 to 305.0
4
400µA
300.0µA
400
295.0 to 305.0
5
4000µA
3000µA
60
2950 to 3050
6
4000µA
3000µA
400
2950 to 3050
Form Number 2 TM61340-2 Rev November 2007