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Stainless Steel Water Or Liquid Flow Switch In Pipeline

Stainless Steel Water Or Liquid Flow Switch In Pipeline

Product Introduction: QFS-400 flow switch is a kind of real-time monitoring measurement instrument that used for liquid flow in pipeline .It adopts full metal jacket, no moving parts, output continuously adjustable, compact structure. 6 LED real time display the state of flow and output....

Product Introduction:


QFS-400 flow switch is a kind of real-time monitoring measurement instrument that used for liquid flow in pipeline .It adopts full metal jacket, no moving parts, output continuously adjustable, compact structure. 6 LED real time display the state of flow and output. Convenient installation, suitable for various pipe diameters. Widely used in hydropower and other pipeline fluid flow monitoring industry.

QFS-400 picture.jpg

Feature

Model: QFS-400 Flow Switch

Range1~150cm/s(water),3~300cm/s(oil)

High accuracy, good stability, long working life and high reliability

Small in sizeconvenient installation

6 LED real time display.

 

Dimensions :( unit: mm)

 QFS-400 dimension 1.jpg

         QFS-400 dimension 2.jpg

 


Electrical connection:


Code

Color

NO.

Excitation +

Brown

1

Excitation -

Blue

3

Relay: Normally open

White

2

Relay: Normally close

Gray

5

Relay:COM

Black

4

Transistor:NPN

Black

4

Transistor:PNP

Black

4

                 QFS-400 output 1.jpg

                QFS-400 output 2.jpg

Technical Specifications:


Measuring   media

dilute   non-corrosive liquids(water,oil…)

Measuring   ranges

bar

1~150cm/s(water),3~300cm/s(oil)

Excitation   voltage

Vdc

24±20VDC

Output   signal

Relay

SPDT(250VAC/30VDC, 3A)

Transistor

NPN,PNP(24±20VDC,1.2A)

Response   time

s

2s(1~15s)

Initialize   time

s

8s(2~15s)

Medium   temp.

-2080

Environment   temp.

-10~+70

Storage temp.

-25~85

Consumption   current

mA

90mA

Overload   pressure

Mpa

10Mpa

Environment   protection

IP   rating

IP 67

Case   Material

                304   SS

Material   (wetted parts)

                304   SS

 

Installation:


1. The wetted parts need to immersed in fluid.Installation in small diameter pipeline to ensure that the probe can’t contact with pipe’s inner wall。

2 .When the fluid can not completely fill the pipeline, products should be installed in the bottom of the pipe. (Figure 1)

                  QFS-400 figure 1.jpg

 

3. If there may be sediment in the pipeline, please products installed in the pipeline side wall, horizontal mounting (Figure 2), to avoid the air and sediment.

                          QFS-400 figure 2.jpg

 

4. Installation in a straight pipe close to bend or intersection place, the pipe length should not be less than 4 times the diameter of pipeline.

For more detailed information about our products,please feel free contact me.

Email:tinachen@qysensor.com

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