220V/3A 0.5% Accuracy Hydraulic Digital Pressure Switch 4-20mA Qyk105

Product description:RS485 4-20mA output LED display controller pressure switch QYK105J 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.The use of RS485 4-20mA output LED display controller pressure switch QYK105J is very flexible. QYK105J 's operation and adjustment is simple and easy, meanwhile, this product also has good reliability and safety.Features:1.4 digit LED Switch value can be set from zero to full scale freely;2.The outer case is equipped with light emitting diode (LED), is easy for abserving operation;3.Operation is easy; the pressed key is for adjustment and parameters setting on the spot;4. 4 relays switch output, 3A loading capacity;5. 4~20mA analog output/RS485 (optional)Product parameters:      pressure mediumgas or liquid compatible with stainless steelpressure ranges-0.1~0~100Mpaoverload pressure150%FSoutput signal4~20mA/RS485(option)control accuracy0.5%FS(standard)display accuracy0.1%FSlong-term stability1million timespower consumption