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3.1
Turn the rotary switch to the appropriate function. All segments of the
display will light for a few seconds. The screen corresponding to the
chosen function will then appear. The megohmmeter is now ready for
measurements.
3.2
To turn the megohmmeter off manually, turn the switch to OFF.
If left unused for 10 minutes, the unit will turn off automatically. At 9 min-
utes, five beeps warn that the megohmmeter is about to be turned off. To
turn back on, press any button on the unit.
A long press on the HOLD button at startup deactivates the Auto-off
function.
3.3
3.3.1
No published standard tells which voltage to choose for any given test.
However, published recommendations could be summarized as follows:
12
0.561.8187
Starting the Instrument
Stopping the Instrument
Insulation Resistance Testing (MΩ Range)
Test Voltage
Rated Voltage of Motor
Below 115
115
230
460
www.
CHAPTER 3
OPERATION
Table 3-1
.com
Test Voltage
250V
250V or 500V
500V
500V or 1000V
Megohmmeter Model 6527
information@itm.
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