Hioki 3801-50, Instruction Manual

Page: 22 / 94

18
2.1 Pre-Operation Inspection
3.
Connect the red test lead to the V terminal, and the black
test lead to the COM terminal.
4.
Short the tips of the red and black test leads by touching
them together.
5.
Set the function switch to "ACV". ( lights.)
6.
Press the
DUAL
key so that the measured voltage
appears in the main display and the measured frequency
appears in the sub display.
7.
Insert the test lead tips into the openings of the AC recep-
tacle.
Black
Red
• Buzzer sounds.
• Value stabilizes around 0
Ω
.
→
OK
Black
Red
The commercial power voltage appears on
the main screen and the commercial power
frequency appears on the sub screen.
This procedure only partially confirms the operation of
this instrument. Periodic calibration is necessary in
order to ensure that this instrument operates according
to its product specifications.