Major tech MT310 Руководство по эксплуатации - Страница 3
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ELCB Test
4.
Turn rotary switch an -clockwise to 10mA posi on.
5.
Push and hold in the TEST bu on switch.
6.
Turn rotary switch slowly unit trip occurs.
7.
Make note of trip current ra ng.
8.
Neutral/earth reversed not detected.
Safety Informa on
Caution identies conditions and
actions that may damage the MT310
Warning identies conditions and
actions that pose hazard to the user .
To avoid possible electric shock or fire , read the following safety
informa on carefully before using or servicing the instrument:
•
Adhere to local and na onal safety codes.
•
Individual protec ve equipment must be used to prevent
shock and injury.
Use of instrument in a manner not specified by the
•
manufacturer may impair safety features/protec on
provided by the equipment.
Avoid working alone.
•
Inspect the test leads for damaged insula on or exposed
•
metal. Check test lead con nuity. Damage leads must be
replaced. Do not use the Socket polarity and earth leakage
tester if it looks damaged.
Be careful when working above 30V AC RMS, 42V AC peak and
•
60V DC. Such voltages pose a shock hazard.
Verify opera on prior to measuring hazardous voltages
•
(voltages above 30V AC RMS, 42V AC peak and 60V DC).