4 Performance Test
78 Keysight U3401A User’s and Service Guide
Resistance Verification Test
Configuration: 2-Wire Ω
1 Select the resistance function.
2 Select each range in the order shown in Table 4-4. Provide the resistance value
indicated. Compare measurement results to the appropriate test limits shown
in Table 4-4. (Be certain to allow for appropriate source settling).
Table 4-4 2-wire Ω verification test
Function Input Range Error from nominal one year
2-wire Ω
0.00 Ω 500 Ω
±50 mΩ
[a]
0.0000 kΩ 5 kΩ
±0.3 Ω
[a]
0.000 kΩ 50 kΩ ±3 Ω
0.00 kΩ 500 kΩ ±30 Ω
0.0000 MΩ 5 MΩ ±300 Ω
0.000 MΩ 50 MΩ ±3 kΩ
450.00 Ω 500 Ω
±500 mΩ
[a]
4.5000 kΩ 5 kΩ
±4.8 Ω
[a]
45.000 kΩ 50 kΩ ±48 Ω
450.00 kΩ 500 kΩ ±480 Ω
4.5000 MΩ 5 MΩ ±4.8 kΩ
30.000 MΩ 50 MΩ ±93 kΩ
Notes:
[a] Specifications are for 2-wire ohms function using the Rel operation enabled to eliminate lead resistance.