73
to enter the voltage shown on the DMM. Press ENTER, and the instrument will show
“OK” after the ML Point(V).
3.
Press Cal. softkey to start calibration. The instrument will output MH Point voltage.
Use the number keys to enter the voltage shown on the DMM. Use the number keys
to enter the voltage shown on the DMM. Press ENTER, and the instrument will show
“OK” after the MH Point(V).
4.
Press Cal. softkey to start calibration. The instrument will output High Point voltage.
Use the number keys to enter the voltage shown on the DMM. Use the number keys
to enter the voltage shown on the DMM. Press ENTER, and the instrument will show
“OK” after the High Point(V).
The calibration date and time will be shown at the bottom of the screen.
14.1.4
AC Current Calibration
Connect a 3 ohm 5,600 watts resistive load to the output of the instrument, and connect
another 3 ohm 5,600 watts resistive shunt in series to measure the current.
1.
Connect the DMM to both ends of the shunt. Set the DMM to measure AC voltage.
2.
Press the System
→
Next
→
Calibration
→
softkeys. Enter the password 13579. Then
select Imeas (AC current) on the calibration menu.
Freq1, Freq2, Freq3 and Freq4 represent output frequency of 100Hz, 400Hz, 800Hz
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