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Howd Mühle (Shanghai) Trading Co., Ltd.

ADD: Room 502, No. 96, Lane 365, Jiangqiao
Town, Jiading District, Shanghai, China
E-mail:
muhle@howd.com.cn

HWFA2 Series hot flow switches

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英文名称:
Electronic Flow Switch
HWFA2 series thermal flow switches use the propagation and diffusion characteristics of heat to transfer heat from the high temperature area to the low temperature area. Applied to flow detection, the value of regional temperature difference corresponds to the size of flow. The working principle of HWFA2 series heat transfer temperature difference is that the heat transfer module and the temperature sensing module are placed in the closed probe. The heat transfer temperature difference value of the probe is closely related to the velocity of the measured medium. When the medium in the pipeline flows at a stable velocity, the induction module receives a fixed value sensed by the heat transfer module. When the flow rate of the probe changes, the thermal module will transmit the temperature difference signal, and the corresponding flow rate will be output through the processor.
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HWFA2 series thermal flow switches use the propagation and diffusion characteristics of heat to transfer heat from the high temperature area to the low temperature area. Applied to flow detection, the value of regional temperature difference corresponds to the size of flow. The working principle of HWFA2 series heat transfer temperature difference is that the heat transfer module and the temperature sensing module are placed in the closed probe. The heat transfer temperature difference value of the probe is closely related to the velocity of the measured medium. When the medium in the pipeline flows at a stable velocity, the induction module receives a fixed value sensed by the heat transfer module. When the flow rate of the probe changes, the thermal module will transmit the temperature difference signal, and the corresponding flow rate will be output through the processor.

One model for a variety of pipe diameters

Normally open and normally closed signal output is standard, which can be selected according to the needs of the field

Switch quantity action point can be adjusted on site, LED display flow trend and switch status

Good anti-fouling ability and corrosion resistance

Small pressure loss and compact structure

No moving parts, maintenance-free, easy installation

It is suitable for analog output

Analog current signal :4-20mA, suitable for terminal controllers with analog receiving ports.

Gas-liquid dual purpose

Can be used for pneumatic and hydraulic systems, can be used for circulating water, cutting fluid and lubricating oil cut-off monitoring, as well as pump idling protection.

 

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Howd Mühle (Shanghai) Trading Co., Ltd.

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Service Hotline:4007186606

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Address: Room 502, No. 96, Lane 365, Jiangqiao Town, Jiading District, Shanghai, Chinai

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