Calibration Procedures 3
Keysight 34420A Service Guide 83
15 Low Power Ohms 10 Ω 20 µΩ 20 µΩ 20 µΩ
16 Low Power Ohms 100 Ω 200 µΩ 200 µΩ 200 µΩ
17 Low Power Ohms 1 kΩ 2 mΩ 2 mΩn2 mΩ
18 Low Power Ohms 10 kΩ 40 mΩ 40 mΩ 40 mΩ
19 Low Power Ohms 100 kΩ 1.2 Ω 1.5 Ω 1.5 Ω
Q 20 Low Power Ohms 1 MΩ 3 Ω 4 Ω 4 Ω
21 Voltage Limited Ohms 10 Ω 20 µΩ 20 µΩ 20 mΩ
22 Voltage Limited Ohms 100 Ω 200 µΩ 200 µΩ 200 µΩ
Optional
[b]
2-wire Ohms All
Use 4-wire Ohms specifications
[b]
[a] This value includes 100 nV for NULL off, see the specifications in datasheet.
[b] For 2-wire Ohms with Null ON (within ± 1°C of NULL), add 2 mΩ to the listed specification. If null is not used, add 0.2 Ω to the listed
specification.
Table 3-1 Zero Offset Verification Procedure
± Error From Zero
Step# Function/Channel Range 24 hour 90day 1 year
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