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QTLD Series Electro magnetic Flowmeter/water flow sensor

FOB Reference Price:Get Latest Price
US $300-3,000 / Set | 1 Set/Sets (Min. Order)
Supply Ability:
3000 Set/Sets per Month
Seller Support:
Payment protection
On-time shipment
Product quality protection
Place of Origin:
Henan, China (Mainland)
Brand Name:
Model Number:
Power supply:
220VAC 50Hz/24V DC ,battery
Save more than ten years
4- 20 mA , pulse
Medium temperature:
-40°C - +150 °C
DN10 - DN 3000 mm
+/-0.2% (Customize), +/-0.5% (Standard)
Flange, Clamp on, Thread
Nominal pressure:
1.6 Mpa ,2.5Mpa ,4.0Mpa ,6.3 Mpa
Packaging & Delivery
Packaging Details:
Export standard packing according to buyer's requirements
Delivery Detail:
one week after received L/C at sight or T/T in advance
QTLD Series Electro magnetic Flowmeter/water flow sensor

Introduction and Application

Intelligent electromagnetic flow meter is hallmarked by its high performance and reliability based on successful, field-proven technology. It is being widely used in industries such as petroleum, chemical engineering, iron and steel, food, electricpower, paper making, water treatment, petrochemical, medicine etc.


  1. Measurement depends on fluid density, humidity, temperature, pressure and conductivity.
  2. There is no obstructive in the conduit and no pressure drop, and the straight pipe required is relatively short.
  3. The sensor is equipped with the advanced processing technology that provides excellent immunity to negative pressure.
  4. LCD display of the converter makes it easy to read during daylight and in darkness.
  5. Parameters can be set up using infrared touch nubs no need to open the cover of the converter.
  6. Automatic alarm functions for selfdiagnosis, empty load test, high and low limit of flow, two-stage flow value, etc.
  7. It is applicable not only to general process, but also in tough applications such as mining, papermaking, pastry, etc.
  8. High pressure sensor with PFA liner is resistant to high pressure and negative pressure, and available to chemistry and corrosive solution.

Technical Performance Parameters
Nominal Pressure0.6~1.6MPa(2.5Mpa/4.0Mpa/6.4Mpa...42Mpa)
Accuracy±0.5%,±0.3%or±0.2% are selectable
Liner materialTeflon,PFA,F46,Neoprene,Polyurethane
Electrode TypeGeneral type ,scraper type and replaceable type
Electrode materialStainless steel SUS316,Hastelloy C,Titanium,Tantalum Platinumiridium,
Stainless steel covered with tungsten carbide
Mediem temperatureIntegrate type-20°C~+60°C
Remote typeNeoprene & Polyurethane Liner-10°C~+80°C
 PTFE Liner /PFA Liner /F46 Liner-10°C~+160°C
Ambient Temperature-25°C ~+ 60°C
Ambient Humidity 5~100%RH(relative humidity)
Medium Electrical 
>=5u s/cm
Measuring Range1500:1,flow rate<15m/s
Structure type Integral type,remote type,submersible type,ex-proof type
Protection ClassIP65,IP68(optional)
Ex-proof MarkExmdⅡT6
Product StandardJB/T 9248-1999 Electormagnetic Flowmeter

Main performances of the electrode materials
Electrode materialApplications
sainless steel SUS316Applicable in water,sewage and corrosive mediums.
Widely used in industries of petrol,chemistry,carbamide,etc

Stainless steel covered

with tungsten carbide

Applicable in mediums of no corrosive and low abrasion.
Hastelloy B(HB)Having strong resistance to hydrochloric acid of any consistance which
 is below bioling piont.
Also resistable against vitriol,phosphate,
hydrofluoricacid,organic acid etc which are oxidable acid,alkali and 
non-oxidable salt.
Hastelloy C(HC)Be resistant to oxidable acid such as nitric acid,mixed acid
as well as oxidable salt such as Fe+++,Cu++aStnd sea water

Applicable in seawater,and kinds of chloride,hypochlorite salt,oxidable
acid (including fuming nitric acid),organic acid,alkali etc.

Not resistant to a pure reducing acid(such as sulphuric acid,hydrochloric
acid   corrosion.

But if acid contains antioxidant is greatly reduce corrosion.
TantalumHaving strong resistance to corrosive mediums that is similar with glass
Almost is applicable to all chemical mediums.
Except for hydrofluoric acid,oleum and alkali.
Platinum-iridiumAlmost be applicable in all chemical mediums except for ammonium salt.

Pipe Size

Min.Flow Rate


Min.Flow Rate


103/80 ~ 2 L/min0 ~ 40 L/min
151/20 ~ 5 L/min0 ~ 100 L/min
203/40 ~ 7.5 L/min0 ~ 150 L/min
2510 ~ 10 L/min0 ~ 200 L/min
321.250 ~ 20 L/min0 ~ 400 L/min
401.50 ~ 30 L/min0 ~ 600 L/min
5020 ~ 3 m3/h0 ~ 60 m3/h
652.50 ~ 6 m3/h0 ~ 120 m3/h
8030 ~ 9 m3/h0 ~ 180 m3/h
10040 ~ 12 m3/h0 ~ 240 m3/h
12550 ~ 21 m3/h0 ~ 420 m3/h
15060 ~ 30 m3/h0 ~ 600 m3/h
20080 ~ 54 m3/h0 ~ 1080 m3/h
250100 ~ 90 m3/h0 ~ 1800 m3/h
300120 ~ 120 m3/h0 ~ 2400 m3/h
350140 ~ 165 m3/h0 ~ 3300 m3/h
400160 ~ 225 m3/h0 ~ 4500 m3/h
450180 ~ 300 m3/h0 ~ 6000 m3/h
500200 ~ 330 m3/h0 ~ 6600 m3/h
600240 ~ 480 m3/h0 ~ 9600 m3/h
700280 ~ 660 m3/h0 ~ 13200 m3/h
800320 ~ 900 m3/h0 ~ 18000 m3/h
900360 ~ 1200 m3/h0 ~ 24000 m3/h
1000400 ~ 1350 m3/h0 ~ 27000 m3/h

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