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Introduction

Principle & Structure

The FS61 series flow monitor is designed based on the principle of heat exchange. The probe has a built-in heating module and a heat-sensing module. The heat dissipation of the heating module is closely related to the flow rate of the measured fluid. If there is no medium flowing in the pipeline, the signal received by the heat-sensing circuit is A fixed value; when the fluid medium flows through the probe, the signal received by the thermal circuit changes with the flow rate of the medium, and the thermal circuit converts the temperature difference signal between the heating module and the thermal module into an electrical signal, and the processor then Convert it into PNP/NPN/4~20mA/relay and other signal output.

Features

Reliable and stable circuit design makes the flow signal more accurate and stable, and has been widely used in steel, metallurgy, pharmaceutical, and chemical industries. LED indicates the flow rate. There are no moving parts, maintenance-free and a variety of sensor probe lengths are available. One model is suitable for a variety of pipe diameters, and the switching value is continuously adjustable and has almost no pressure loss as a whole.

application

It can be used to monitor the interruption of hydraulic system, circulating water, cutting fluid and lubricating oil, as well as the idling protection of pump.

technical parameter

Predetermined area:3...300cm/s (water), 3~300cm/s (oil)Switching Accuracy:±1...±10cm/s
Signal output:PNP, NPN, relay (SPDT) analog (4~20mA)powered by:24VDC、110VAC、220VAC
power:5Wload:5A (relay type)
No-load current:250mA maxLoss current:<60mA
Flow indication:LED row (6 pcs)Set the direction:Potentiometer setting
Pressure range:100barMedium temperature change:≤4℃/s
Response time:1...10s, typ. 2sInitialization time:about 8s
Electrical Protection:Inverted, short circuit, overload protectionProtection class:IP65&IP67
Medium temperature:-20...80℃Ambient temperature:-20...80℃
Storage temperature:-20...100℃Wiring:M12*1 connector
Material:Probe: 316L stainless steel Housing: 316L stainless steelweight:About 0.4kg
Probe length:15mm\20mm\30mm\special customization according to customer requirements

Selection table

FS61-Basic Flow Monitor

Connection method

External thread G1/2

External thread G1/4

Internal thread M18*1.5

Connection method


External thread of interface thread

Internal thread of interface thread

Power supply

DC24V power supply

85 to 265VAC power supply (high point action)

85 to 265VAC power supply (low point action)

output signal

PNP output

NPN output

Relay output (SPDT)

4 to 20mA output

Probe length (without thread)

15mm

20mm

30mm

Customized according to customer requirements (for example, the 40mm option is marked as "N40")
The complete data of this selection table, please contact the sales staff or email to sales@kewill-auto.cn for complete samples.
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Next:FS62 Series Universal Flow Monitor
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