76
DC Hipot, 350
µ
A current range
Press the
∨
key, the program will advance to the setting and reading of DC 320
µ
A
range calibration of the Hipot test. The display will show:
Connect a resistor about 1M
Ω
/0.25W in series with a DC standard Ammeter which
can measure up to 300
µ
A to the output leads. Connect the Ammeter to the return
leads, then press the TEST button, the program will automatically generate an output
of about 300V/300
µ
A and the display will show:
Use the Numeric keys to enter the standard value of current, unit
µ
A, and then press
the ENTER key to store the standard value of DC 350
µ
A range of the Hipot test and
the display will show:
9.3.4. Calibration of 7720 DC Hipot Current
DC Hipot, 5.00mA current range
Press the
∨
key, the program will advance to the DC 5.00mA range calibration of the
Hipot test. The display will show:
