6 Specifications and Characteristics
94 U3402A User’s and Service Guide
True RMS AC Voltage (AC+DC Coupling Mode)
Table 6 - 3 AC voltage
ac+dc
resolution, full scale reading, and accuracy [± (% of reading + count)]
Rate Range
[1]
Resolution
Maximum
reading
Accuracy (One year; 23ºC ± 5ºC)
[2]
45 Hz to 10kHz 10 kHz to 30 kHz 30 kHz to 100 kHz
Slow
120.000 mV
1.20000 V
12.0000 V
120.000 V
750.00 V
0.001 mV
0.00001 V
0.0001 V
0.001 V
0.01 V
119.999
1.19999
11.9999
119.999
750.00
[3]
0.2% + 100
0.2% + 100
0.2% + 100
0.2% + 100
0.2% + 100
1.5% + 300
1% + 100
1% + 100
1% + 100
1% + 100
5% + 300
3% + 200
3% + 200
3% + 200
3% + 200
[4]
Med
400.00 mV
4.0000 V
40.000 V
400.00 V
750.0 V
0.01 mV
0.0001 V
0.001 V
0.01 V
0.1 V
399.99
3.9999
39.999
399.99
750.0
0.2% + 45
0.2% + 43
0.2% + 43
0.2% + 43
0.2% + 43
1.5% + 83
1% + 43
1% + 43
1% + 43
1% + 43
5% + 125
3% + 83
3% + 83
3% + 83
3% + 83
[4]
Fast
400.0 mV
4.000 V
40.00 V
400.0 V
750 V
0.1 mV
0.001 V
0.01 V
0.1 V
1 V
399.9
3.999
39.99
399.9
750
0.2% + 7
0.2% + 7
0.2% + 7
0.2% + 7
0.2% + 7
1.5% + 12
1% + 7
1% + 7
1% + 7
1% + 7
5% + 18
3% + 12
3% + 12
3% + 12
3% + 12
[4]
Notes:
1 VDC and VAC are automatically set at the same range.
2 Specified accuracy at input > 5% of full scale.
3 In VAC 750 V range, 787.5 V RMS is readable.
4 For input < 500 V RMS.