Application Guide
Table Of Contents
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sensor is cut off.
c) The limit temperature measured by the thermocouple given
together with the instrument is 250°C; 300°C is acceptable within
short period.
6-7 NCV test
1. Set the rotary switch to "NCV" position, LCD display "EF ".
2. Close the front end of the clamp to the measured socket.
3. When NCV detects AC voltage between 90v to 10v sound and
light alarms at the same time. Distinguish live and neutral wires:
Not sound and light alarmed when detecting neutral wire,
4. sound and light alarmed when detecting live wire.
Caution: Do not input voltage at NCV mode.
Sound and alarm may appear in the meter when there is
a strong electric field in the surrounding environment. It is
possible to make an error alarm.
At NVC position, press the backlight button and the NCV
indicator LED is lit, which is normal.
Warning:Be cautions of electrical when detecting high voltage. NCV
range: 90-1000v.
6-8. use of electric torch
1. In a dark environment, the electric torch function of the meter
can be used.
2. Press HOLD key more then 2 seconds, and the flashlight
installed in the front end of the meter will be turned on.
3. Press HOLD key more then 2 seconds again, the electric torch
function will be turned off.
4. Electric torch function is more power consumption, it is
recommended not to use for a long time.
7. Auto Power Off
If you don’t operate the meter for about 15 minutes, it will turn off
automatically. To turn on it again, just rotate the range switch or
press a button.
If you press the “SEL” button to arouse the meter after it turns off
automatically, the automatic power-off function will be disabled.