DC Volts and DC Current Gain Verification
This procedure verifies DC volts and DC current gain.
1. Make sure you have read Test Considerations.
2. Connect the calibrator to the input terminals. For the 34461A, use the front-panel input terminals and select the
front input terminals with the Front/Rear switch.
3. Configure each function and range in the order shown in the table below. Provide the input shown in the table
below.
4. Make a measurement and return the result. Compare measurement results to the test limits shown below. (Be
certain to allow for appropriate source settling.)
Values for 34461A DMM
Input Error from Nominal
Voltage Function
[1]
Range Quick
Check
24 hours 90 days 1 year 2 years
100 mV DC Volts 100 mV ± 6 µV ± 7.5 µV ± 8.5 µV ± 10.0 µV
-100 mV
1 V 1 V ± 26 µV ± 37 µV ± 47 µV ± 62 µV
-1 V
4 V 10 V ± 100 µV ± 130 µV ± 190 µV ± 230 µV
10 V Q ± 190 µV ± 250 µV ± 400 µV ± 500 µV
-10 V
100 V 100 V ± 2.6 mV ± 4.1 mV ± 5.1 mV ± 6.6 mV
-100 V Q
1000 V 1000 V ± 26 mV ± 45 mV ± 55 mV ± 70 mV
-500 V ± 16 mV ± 27.5 mV ± 32.5 mV ± 40 mV
Values for 34461A DMM
Input Error from Nominal
Current Function
[1]
Range Quick
Check
24 hours 90 days 1 year 2 years
2 A DC Current 3 A ± 4.2 mA ± 4.6 mA ± 4.6 mA ± 5.2 mA
1 A 1 A Q ± 560 µA ± 900 µA ± 1.1 mA ± 1.3 mA
100 mA 100 mA ± 14 µA ± 35 µA ± 55 µA ± 65 µA
10 mA 10 mA Q ± 2.7 µA ± 5 µA ± 7 µA ± 8 µA
1 mA 1 mA ± 0.13 µA ± 0.36 µA ± 0.56 µA ± 0.66 µA
100 µA 100 µA ± 0.03 µA ± 0.065 µA ± 0.075 µA ± 0.085 µA
316 Agilent Truevolt Series DMM Operating and Service Guide