The other is the electronic pressure switch that has been popular in the market for several years. It is used to replace the electric contact pressure gauge and the system used in industrial control. This pressure switch has a built-in precision pressure sensor. The high-precision instrumentation amplifier amplifies the pressure signal and collects and processes the data through the high-speed MCU. Generally, the 4-digit LED real-time digital display pressure is used. The relay signal output, the upper and lower limit control points can be freely set. Small hysteresis, anti-vibration, fast response, stable and reliable, high precision (accuracy is generally ±0.5% FS, high is ±0.2%FS), using the hysteresis setting can effectively protect the repeated action caused by pressure fluctuations, protection control The equipment is a high-precision equipment for detecting pressure and liquid level signals and realizing pressure, liquid level monitoring and control. The characteristics are: the electronic display is intuitive, the precision is high, the service life is long, and the control point is convenient to set through the display screen, but the relative price is high, and the power supply is needed.
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