15
UT501/UT502 OPERATING MANUAL
Rotary Switch
Table 5. Rotary Switch Description
ON/OFF Turn on or off the Meter.
ACV Turn the rotary switch to ACV to measure AC Voltage
DCV Turn the rotary switch to DCV to measure DC Voltage
250V/500V/1000V Turn the rotary switch to 250V/500V/1000V, select the
(UT501 ) requested output voltage, to carry out insulation
resistance measurement.
500V/1000V/2500V Turn the rotary switch to 500V/1000V/2500V, select
(UT502 ) the requested output voltage, to carry out insulation
resistance measurement.