DONG SUNG SENSORS DFR Series Manual - Halaman 6

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Halaman Cetak

1. INTRODUCTION

DFR series are designed to measure liquid level

by using buoyancy and magnetic force as

multi-wire signal transmission.

2. FEATURES

- Widely available with narrow space in complicated environment.

(semiconductor manufacturing equipment, steam sauna,

medical equipment,vending machine, air conditional and

solar thermal plant ... etc.)

- Accurate contact output.

- Customizing in your flavor.

3. OPERATION PRINCIPLE

While float moves up / down as liquid level rises / falls,

the magnetic force within the float will operate the reed switch(stem)

so that the resistance value(measurement) varies.