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As of 2019, GCM Industry and its affiliated companies have 5 advanced mining machine production bases and one production base under construction, with a total production area of 1,200,000 square meters, which can better meet more needs of global customers in the future.

 

Beginning in 1987, GCM industry has developed steadily and steadily in the field of mining machines, and has gradually formed a complete R&D, production, sales and service system.

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Dec 05, 2018· An alternative approach for current measurement is therefore needed if, in preserving the capability to measure large currents, good resolution is still required at the low current end of the range. A wide operating range can be achieved with a logarithmic current amplifier, which generates an output voltage proportional to the logarithm of the ...

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Dec 05, 2018· A series type ohmmeter consists of a deflecting meter in series with a resistance R 1 and a battery which is connected to the terminals A-B, across wh the unknown resistance is connected.. R 1 = Current Limiting Resistance. R 2 = Zero adjust Resistance. R m = Meter Resistance. R X = Unknown Resistance. V = Battery Voltage. The current flowing through the meter depends on the magnitude of …

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