Datasheet

10
[1] To reduce noise interference that may be induced by the test leads, we recommend using a shielded test cable for measuring resistances above 500 kW.
[2] Relative (REL) operation is used.
[1] To reduce noise interference that may be induced by the test leads, we recommend using a shielded test cable for measuring resistances above 100 kW.
[2] Relative (REL) operation is used.
Resistance
Resistance resolution, full scale reading, and accuracy [± (% of reading + count)]
U3401A 4.5-digit DMM
U3402A 5.5-digit DMM
Range
[1]
Resolution Maximum reading Test current Accuracy (1 year; 23 ºC ± 5 ºC)
500.00 W 10 mW
510.00 0.5 mA 0.1% + 5
[2]
5.0000 kW 100 mW
5.1000 0.45 mA 0.1% + 3
[2]
50.000 kW 1 W
51.000 45 µA 0.1% + 3
500.00 kW 10 W
510.00 4.5 µA
0.1% + 3
5.0000 MW 100 W
5.1000 450 nA 0.1% + 3
50.000 MW 1 kW
51.000 45 nA 0.3% + 3
Rate Range
[1]
Resolution Maximum
reading
Test current Accuracy (1 year; 23 ºC ± 5 ºC)
2-wire 4-wire
Slow
120.000 W
1.20000 kW
12.0000 kW
120.000 kW
1.20000 MW
12.0000 MW
120.000 MW
1 mW
10 mW
100 mW
1 W
10 W
100 W
1 kW
119.999
1.19999
11.9999
119.999
1.19999
11.9999
119.999
0.5 mA
0.5 mA
100 µA
10 µA
1 µA
100 nA
10 nA
0.1% + 8
[2]
0.08% + 5
[2]
0.06% + 5
[2]
0.06% + 5
0.06% + 5
0.3% + 5
3% + 8
0.05% + 8
[2]
0.05% + 5
[2]
0.05% + 5
0.05% + 5
0.05% + 5
0.3% + 5
3% + 8
Medium
400.00 W
4.0000 kW
40.000 kW
400.00 kW
4.0000 MW
40.000 MW
300.00 MW
10 mW
100 mW
1 W
10 W
100 W
1 kW
10 kW
399.99
3.9999
39.999
399.99
3.9999
39.999
299.99
0.5 mA
100 µA
50 µA
5 µA
500 nA
50 nA
10 nA
0.1% + 5
[2]
0.08% + 3
[2]
0.06% + 3
0.06% + 3
0.15% + 3
1.5% + 3
5.0% + 5
0.05% + 5
[2]
0.05% + 3
0.05% + 3
0.05% + 3
0.15% + 3
1.5% + 3
5.0% + 5
Fast
400.0 W
4.000 kW
40.00 kW
400.0 kW
4.000 MW
40.00 MW
300.0 MW
100 mW
1 W
10 W
100 W
1 kW
10 kW
100 kW
399.9
3.999
39.99
399.9
3.999
39.99
299.9
0.5 mA
100 µA
50 µA
5 µA
500 nA
50 nA
10 nA
0.1% + 2
[2]
0.08% + 2
0.06% + 2
0.06% + 2
0.15% + 2
1.5% + 2
5.0% + 2
0.05% + 2
0.05% + 2
0.05% + 2
0.05% + 2
0.15% + 2
1.5% + 2
5.0% + 2