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Applicable to: construction machinery, nitrogen generator, air compressor, hydrogen and oxygen generator, hydraulic equipment, central air conditioning refrigeration unit, pipeline fluid, diesel generator, water treatment equipment, laboratory equipment, cold dryer, purification equipment, air, Pressure measurement of water, steam, pipeline pressure, fluidity liquid; Working principle: polysilicon sensor, through resistance current conversion, temperature compensation, linear correction, data processing to enable the transmitter to output a standard 4-20mA analog signal |