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Maintenance tool megohmmeter for constant temperature and humidity test machine cooling system
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Maintenance tool megohmmeter for constant temperature and humidity test machine cooling system
Megohmmeter, also known as megger, is an instrument for measuring insulation resistance. When measuring with a megohmmeter, the measured equipment should be cut off first, and short-circuit discharge should be carried out five hundred For electrical equipment below v, the voltage level shall be 500v or 1000? V megohmmeter. Rated voltage at 500? Electrical equipment above V should be selected 1000? V-1 2500? V megohmmeter.
When measuring, shake the handle from slow to fast, and keep the speed 120r min one 150?r min If the equipment under test is short circuited, the pointer will swing to zero Stop shaking the handle immediately.
The usage of megohmmeter for the maintenance tool of machine cooling system in constant temperature and humidity test
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