Hitrol Level and Flow Instruments

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Flow Switch

Capacitance Type Operating Principle
When the fluid flowing in the pipe comes into contact with the probe, the electrostatic capacitance and conductance between the probe and the pipe change. This impedance change is converted into an electrical signal (relay contact point) to detect the presence or absence of the fluid.
 
Paddle Type Operating Principle
When the flow swithc detects the presence or absence of fluid by outputting a contact point through a switch mechanism that moves in conjunction with the paddles inside the pipe when fluid flows through the pipe.


Capacitance Type — HFS-95R

The HFS-95R is a capacitive, separate flow switch that detects the presence or absence of fluid flowing in a pipe.
 
Operation Principle
When the fluid flowing in the pipe comes into contact with the probe, the electrostatic capacitance and conductance between the probe and the pipe change. This impedance
change is converted into an electrical signal (relay contact point)
to detect the presence or absence of the fluid.
 

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Paddle Type — HFS-Series

The HFS-Series is a paddle-type flow switch that detects the presence or absence of fluid flowing in a pipe.
 
Operation Principle
The HFS-SERIES detects the presence or absence of fluid by outputting a contact point through a switch mechanism that moves in conjunction with the paddles inside the pipe when fluid flows through the pipe.
 

 

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