76 34405A User’s and Service Guide
4 Performance Tests and Calibration
following page).
NOTE
Note that resistance measurements use the Null math function (Null
reading taken with test leads connected together) to eliminate test lead
resistance.
Ta ble 4 Zero Offset Verification Test
Input Function
[1]
Range Quick Check
Error from Nominal
1 year
Open DC Current 10mA Q ±1.5µA
Open 100mA ±5 µA
Open 1A ±70µA
Open 10A ±0.7mA
Open Capacitance 1nF ±8pF
Open 10nF ±0.05nF
Open 100nF ±0.5nF
Open 1µF ±5nF
Open 10µF ±0.05µF
Open 100µF ±0.5µF
Open 1000µF ±5µF
Open 10000µF ±0.05mF
Short DC Volts 100mV ±5 µV
Short 1 V Q ±50 µV
Short 10 V ±0.5 mV
Short 100 V ±5 mV
Short 1000 V ±50 mV
34405A users guide.book Page 76 Saturday, September 2, 2006 3:38 PM