80 34405A User’s and Service Guide
4 Performance Tests and Calibration
Ohms Gain Verification Test
Configuration: 2- Wire Ohms (CONFigure:RESistance)
1 Select the Ohms function.
2 Select each range in the order shown below. Provide the
resistance value indicated. Compare measurement results
to the appropriate test limits shown in the table. (Be
certain to allow for appropriate source settling.)
[1] Select 5½- digit measurement resolution
[[2] Specifications are for 2- wire ohms function using the Null
math function enabled to eliminate lead resistance. Without Null,
add 0.2 Ω additional error.
Q = Quick performance verification test points
Ta ble 7 Ohms Gain Verification Test
Input Function
[1]
Range Quick Check
Error from Nominal
1 year
1 Ω 2-Wire Ohms 100 Ω ±58 mΩ [2]
1 kΩ 1 kΩ Q ±550 mΩ [2]
10 kΩ 10 kΩ ±5.6 Ω [2]
100 kΩ 100 kΩ ±57 Ω
1 MΩ 1 MΩ ±670 Ω
10 MΩ 10 MΩ Q ±25.5 kΩ
100 MΩ 100 MΩ ±2.005MΩ
34405A users guide.book Page 80 Saturday, September 2, 2006 3:38 PM
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