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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.

Category: pressure switch

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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. 


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    ◆ 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°.


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Measure range

-0.1~0~100Mpa


Accuracy

≤±0.5%FS

Stability

≤0.2% /1 year


Display accuracy

±0.1%FS

Output

NPN/NP 

4-20mADC

Power supply

DC24V

Thread connect

G1/4,G1/2,M20*1.5

Medium temperature

-20~80℃

Display usage

LED 4 nixie tubes

Display range

-1999~9999

Power supply range

24V±20%

Max power dissipation

< 1W

Loading capacity

<24V 1.2A

Switch type

PNP,NPN optional

Response time

≤5ms

Lifetime

>1 million time

Protection rate

IP65




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