JFAK711 boiler intelligent pressure switch controller
widely applied in hydropower, running water,
petroleum, chemical, mechanical, hydraulic and etc.
Measuring and displaying the pressure of flowing medium.
JFAK711 intelligent pressure switch, a smart digital pressure product for measuring and controlling,
which integrated pressure measurement, display, output and control. This product is all-electronic structure.
Piezo-resistance pressure sensor with isolating membrane oil-filled in front-end. Output signal is amplified
with high accuracy and low temperature offset amplifier, and then load to high accuracy A/D convertor,
converted to digital signal that can be programmed by microprocessor. the signal which is calculated
and operated, controlling two-way switch, measuring and controlling to the pressure of control system.
◆ Four-digit show the current pressure value.
◆ Function of pressure switching point preinstalled and action delayed.
◆ Switching output function is optional(hysteresis and window function).
◆ Easily observation with node action LED.
◆ Button adjustment and parameter setting in field conveniently.
◆ Two-way switching value output, load 1.2A.
◆ Analog output（4～20mA）or RS485 digital output.
◆ Rotatable pressure connection with 330°.
≤0.2% /1 year
LED 4 nixie tubes
Power supply range
Max power dissipation
>1 million time
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