Digital Variable Area Flow Meter, Digital Metal Tube Rotameter, Manufacturing & Exporting Of Rotameters, Mumbai, India
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DIGITAL VARIABLE AREA FLOW METER

 
DIGITAL VARIABLE AREA FLOW METER
TECHNICAL SPECIFICATION
 
Accuracy   : +/- 1.5% of FSR.
Range ability  : 10:1
Repeatability  : +/- 0.25% of FSR
Temperature Rating : -50  to  120 °C.
Pressure Rating  : 80 kg/cm2
Flow Direction : Bottom to Top
End connection : Flanged to suit customer’s requirement.
Wetted Part : To suitable specific liquid or gases.
Mounting position : Vertical.
Indication  : Digital flow rate
Transmission  : 2 wire loop powered
Enclosure  : Flameproof / weatherproof.
Power supply : 9 VDC battery
 
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CONTACT

Phone: 91-22-2532 8223/24
Fax: 91-22-2532 4845

IT OPERATES ON THE PRINCIPLE OF VARIABLE AREA; THE FLUID IN THE METAL TUBE RAISES THE FLOAT IN THE TAPER TUBE INCREASING THE AREA OF PASSAGE OF FLUID. BY A MAGNETIC COUPLING THE INNER FLOAT MOVEMENT THROUGH A SERIES OF LINKAGES AND COUNTER WEIGHT. THE TUBE AND THE FLOAT COMBINATION DETERMINES THE FLOWRATE.

THE INNER FLOAT MAGNETIC FIELD IS DETECTED BY THE HIGH SENSITIVE MAGNETIC FIELD DETECTION SENSOR ,ENABLE US TO SHOW THE DIGITAL READOUT.

AS SUCH THIS FLOWMETER DOES NOT REQUIRE ANY ELECTRICAL CONNECTION, SINCE IT OPERATES ON BATTERY. THIS GOT AN INBUILT TWO WIRE TRANSMITTER  JUST PROVIDE 24 VDC. AND TAKE      4 – 20 mA SIGNAL.

 

BENEFITS OF SPINK CONTROLS’ VARIABLE AREA FLOW METERS

 

Local indication without the need for auxiliary power.

Minimum pressure losses.

Easy to read.

Accurate measurement even at higher flow
(150 m3/hr).

Suitable for low flow (8LPH)

Default inbuilt transmitter of 4 – 20 mA              (Loop powered).

No movement assembly reducing the maintenance.

 

MAXIMUM FLOW AND PRESSURE LOSS

 

Line size NB

20 °C. water flow m3/hr

0 °C. 1 atm Air flow Nm3/hr

Approx. Pressure Loss mm WC

15

0.2 – 1.2

6 – 35

200 – 225

20

0.4 – 2.0

8 – 60

220 – 230

25

1 – 5

30 – 150

200 – 270

40

2.5 – 10

70 – 300

200 – 250

50

3.5 – 17

100 – 500

225 – 260

65

6 – 30

200 – 900

225 – 240

80

10 – 45

300 – 1200

225 – 260

100

20 – 100

600 – 3000

350 – 700

125

30 – 120

900 – 4000

300 – 850

150

30 – 150

900 – 4500

350 – 950

 
 

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