Keysight 34450A - Table 1-2 Zero Offset Verification Test

1 Performance Tests and Calibration
Performance Verification Tests
10 34450A Service Guide
Zero offset verification test
1 Connect the shorting plug to the HI and LO input terminals. (see
“Input connections” on page 6). Leave the current inputs open.
2 Select each function and range in the order shown in the table below.
Make a measurement and observe the result. Compare measurement
results to the appropriate test limits shown in the Table 1- 2 below:
Table 1 - 2 Zero offset verification test
Step Function
[1]
Range Quick Check Error from Nominal 1 year
Open
Open
Open
Open
Open
Open
DC current 100 µA
1 mA
10 mA
100 mA
1 A
10 A
Q
±0.015 µA
±0.07 µA
±1.5 µA
±7 µA
±0.15 mA
±0.7 mA
Open
Open
Open
Open
Open
Open
Open
Open
Capacitance 1 nF
10 nF
100 nF
1 µF
10 µF
100 µF
1 mF
10 mF
-
±0.05 nF
±0.5 nF
±5 nF
±0.05 µF.
±0.5 µF
±5 µF
±0.05 mF
Short
Short
Short
Short
Short
DC Volts 100 mV
1 V
10 V
100 V
1000 V
Q
±8 µV
±50 µV
±0.5 mV
±5 mV
±50 mV