Datasheet
6
[1] Accuracy specified at input >5% of full scale.
[2] Input voltage <200 V RMS.
[3] In VAC 750 V range, 1000.0 V RMS is readable with audio warning.
[4] For 5 kHz to 10 kHz, accuracy is 0.7% + 25.
[1] Accuracy specified at input >5% of full scale.
[2] In VAC 750 V range, 787.5 V RMS is readable.
[3] Input voltage <500 V RMS.
AC voltage (true RMS, AC+DC coupling mode)
AC+DC voltage resolution, full-scale reading and accuracy [± (% of reading + count)]
U3401A 4.5-digit DMM
U3402A 5.5-digit DMM
Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC)
[1]
50 Hz to 10 kHz 10 kHz to 30 kHz 30 kHz to 100 kHz
500.00 mV 10 µV 510.00 0.5% + 50 2% + 70 3% + 130
5.0000 V 100 µV 5.1000 0.5% + 25 1% + 30 3% + 60
50.000 V 1 mV 51.000 0.5% + 25 1% + 30 3% + 60
500.00 V 10 mV 510.00 0.5% + 25 1% + 30
[2]
3% + 60
[2]
750.0 V 100 mV 1000.0
[3]
0.5% + 25
[4]
1% + 30
[2]
Not specified
Rate Range Resolution Maximum
reading
Accuracy (1 year; 23 ºC ± 5 ºC)
[1]
45 Hz to 10 kHz 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
1 µV
10 µV
100 µV
1 mV
10 mV
119.999
1.19999
11.9999
119.999
750.000
[2]
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
[3]
Medium 400.00 mV
4.0000 V
40.000 V
400.00 V
750.0 V
10 µV
100 µV
1 mV
10 mV
100 mV
399.99
3.9999
39.999
399.99
750.00
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
[3]
Fast 400.0 mV
4.000 V
40.00 V
400.0 V
750 V
100 µV
1 mV
10 mV
100 mV
1 V
399.9
3.999
39.99
399.9
750.0
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
[3]