China Manufacturer Air Pump Water Oil Compressor LED Digital Display Electronic Pressure Controller Pressure Switch with Alarm Light

1.DescriptionConstant pressure controller QYK104 is pressure measurement & control product with intelligent digital display, it is combined the functions of pressure measurement, display, output and control. This product is made with entire electronic structure, and built isolated-membrane pressure sensor in its front end. Its output signal is amplified through high accuracy & low temperature swift amplifier, then is input high accuracy A/D converter, and processed by microprocessor, the processed signal controls two-way switch, to realize the pressure measurement and control for systems.  2.Applications:Process control systemHydraulic control systemOil pump/drillingPump & Water systemChemical industryHVACRefrigeration systemNatural gasAir compressorFood industry  3.Features4 digit LED Switch value can be set from zero to full scale freely;The outer case is equipped with light emitting diode (LED), is easy for abserving operation;Operation is easy; the pressed key is for adjustment and parameters setting on the spot;2 relays switch output, 1.2A loading capacity;4~20mA analog output (optional).RS485 4.Specificationspressure mediumgas or liquid compatible with stainless steelpressure ranges-0.1~0~100Mpaoverload pressure150%FSoutput signal4~20mA(option)control accuracy0.5%FS(standard)display accuracy0.1%FSlong-term stability1million timespower consumption