Datasheet

[1] Input impedance is in parallel with capacitance <100 pF.
[2] In VDC 1000 V range, 1200 V is readable with audio warning.
[1] Input impedance is in parallel with capacitance <120 pF.
[2] Relative (REL) operation is used.
[3] In VDC 1000 V range, 1050 V is readable.
4
U3400 Series specifications
DC voltage
DCV resolution, full-scale reading and accuracy [± (% of reading + count)]
U3401A 4.5-digit DMM
Range Resolution Maximum reading Accuracy (1 year; 23 ºC ± 5 ºC) Typical input impedance
[1]
500.00 mV 10 µV 510.00 0.02% + 4
10.0 MW
5.0000 V 100 µV 5.1000 0.02% + 4
11.1 MW
50.000 V 1 mV 51.000 0.02% + 4
10.1 MW
500.00 V 10 mV 510.00 0.02% + 4
10.0 MW
1000.0 V 100 mV 1200.0
[2]
0.02% + 4
10.0 MW
Rate Range Resolution Maximum reading Accuracy
(1 year; 23 ºC ± 5 ºC)
Typical input impedance
[1]
Slow 120.000 mV
1.20000 V
12.0000 V
120.000 V
1000.00 V
1 µV
10 µV
100 µV
1 mV
10 mV
119.999
1.19999
11.9999
119.999
1000.00
[3]
0.012% + 8
[2]
0.012% + 5
0.012% + 5
0.012% + 5
0.012% + 5
10.0 MW
10.0 MW
11.1 MW
10.1 MW
10.0 MW
Medium 400.00 mV
4.0000 V
40.000 V
400.00 V
1000.0 V
10 µV
100 µV
1 mV
10 mV
100 mV
399.99
3.9999
39.999
399.99
1000.0
[3]
0.012% + 5
0.012% + 5
0.012% + 5
0.012% + 5
0.012% + 5
10.0 MW
11.1 MW
10.1 MW
10.0 MW
10.0 MW
Fast 400.0 mV
4.000 V
40.00 V
400.0 V
1000 V
100 µV
1 mV
10 mV
100 mV
1 V
399.9
3.999
39.99
399.9
1000
[3]
0.012% + 2
0.012% + 2
0.012% + 2
0.012% + 2
0.012% + 2
10.0 MW
11.1 MW
10.1 MW
10.0 MW
10.0 MW