HFM400 Pointer Indicator Metal Tube Watermeter Rotor Flow Meter

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Metal tube float flow meter (metal tube rotor flow meter) is a kind of variable area flow meter commonly used in industrial automation process control.It has the characteristics of small volume, large detection range, easy to use, it can be used to measure the flow rate of liquid, gas and steam, especially suitable for low flow rate and small flow rate measurement.

Over the years, the metal tube float flow meter with its excellent performance and reliability, as well as better performance price, in petrochemical, steel, electric power, gold, light industry, food, pharmaceutical, water treatment and other industries have been widely used.


◆ It is suitable for measuring the flow rate of medium with small diameter and low velocity

◆Reliable operation, small amount of maintenance, long life

◆ Requirements for straight section are not high

◆ Wider range ratio of 10:1

◆ Double-line LIQUID crystal display, field instantaneous/cumulative flow display

◆There is a keyboard on the indicator for easy operation and setting

◆ All-metal structure, suitable for high temperature, high pressure and strong corrosive medium

◆ Non-contact magnetic coupling transmission

◆ Can be used in inflammable and explosive dangerous occasions

◆ Optional DC power supply or battery power supply mode

◆ With data recovery, data backup and power down protection functions

◆ Multi-parameter calibration function

Technical Parameter

Aperture Diameter

DN15, DN25, DN50, DN80, DN100, DN150

(other diameters, need consult us and customized)

Flow Range

Liquid: 1.0 ~ 150000L /h gas: 0.05 ~ 3000m3/h

Ratio Range

10∶1, 20∶1 (Special)

Viscosity of medium

DN15: < 5mPa. S / DN25: < 250mPa. S

DN50 ~ DN150: < 300mPa.S


GB/T9119-2000standard carbon steel

(stainless steel optional),other standards can be customized

Rated Pressure Grade

DN15, DN25, DN50:4.0MPa (Max 20MPa)

DN80, DN100, DN150:1.6mpa

(Max:DN80:10MPa;DN100:6.4 MPa;6:4.0 MPa)

Tube and Float Material

Default Stainless steel 304, SS316L, Hastelloy (HB and HC), Titanium can be customized, PTFE lining can customized


Accuracy Grade

1.5 grade, 1.0 grade (Special customized)

Medium Temperature

Standard -30℃ ~ +120℃, high temperature: 120℃ ~ 350℃

Ambient temperature

-40℃ ~ 120℃ Remote: -30℃ ~ 60℃

Storage condition

-40℃ ~ 85℃ Humidity: ≤85%

Supply Voltage

24VDC (12 ~ 36VDC)


4 ~ 20mADC (two wire), HART protocol can be attached;

Alarm dry contact signal

Our product philosophy is specialization, customization, and intelligence.

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    Add : Room 201, Building 5, No.18, Fenghua Road, Yuhua Economic Development Zone, Nanjing, Jiangsu,China
    Phone : +86-13270442058
    E-mail : info@hjsensor.com
   Whatsapp : +86-13270442058
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