Quality Criteria For High-pressure Mercury Lamps And High-pressure Sodium Lamps In Electrical Fittings
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Insulation Accessories High-pressure mercury lamp and high-pressure sodium lamp quality judgment standard:
1. The bulb is aging, and the megohmmeter indicates a few megohms to tens of megohms.
2. The bulb is short-circuited, and the megohmmeter indicates zero.
3. The bulb is open-circuited, and the megohmmeter indicates infinity.
This inspection method is simple, intuitive, reliable, and suitable for rapid judgment of large quantities. If a DC voltmeter or an electric fitting multimeter (using the DC voltage range) is added to the circuit, the starting voltage of the bulb can also be measured.
