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
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