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hand zipper strip x1
234×400×90mm
\n Insulation resistance tester，It is usually called a megohmmeter or a high impedance meter，It is widely used to measure generator、motor、Power transformer、wiring、Electrical appliances and other electrical installations（Such as control、signal、Communication and power cables）Insulation resistance of transformer。They are often used in routine maintenance procedures to indicate that the motor is running for months or yearsVariation of internal insulation resistance。The insulation resistance changes greatly，It may indicate a potential failure。therefore，You need to be rightMeggerCarry out regular calibration，To ensure that the instrument itself does not change over time。
and can also be used to measure the gas exchange pressure difference of other textile materials
can be used in mining
ECVV Sound Level Meter Portable Digital Noise Meter Tester with LCD Backlight Display Decibel Meter with Data Record Function Measuring Range 30~130dBA Claw Hammers hand zipper strip x1Cash on Delivery Free Shipping 1 3 days One Year Warranty [SHORTDESCRIPTION] INTRODUCTION: Sound level meter, also called noise meter, is an instrument used to measure sound pressure level or sound level. It is the most basic and most commonly used instrument in acoustic measurement. Nowadays, people are increasingly pursuing the improvement of the quality of life. There is a kind of pollution called sound pollution. When the sound level reaches a