Electromagnetic Flowmeter

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Kaidi KD Battery-powered Electromagnetic Flow Meter

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Kaidi KD Battery-powered Electromagnetic Flow Meter
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Application:
Wastewater, Chemical, Seawater, Quantitative Filling
Protection Grade:
IP65 or IP68
Accuracy:
level 0.5 -1.0
Process Temperature:
Sensor:-25℃~+60℃;Converters and one body:-10℃~+60℃
Outer Covering:
Stainless steel 0Cr18Ni12M02Ti, Hastelloy B, Titanium, tantalum, Platinum/Iridium alloy
MOQ
1 SET
Payments:
TT, Paypal, Credit card, Western union
Shipping ways:
Express(DHL,Fedex,TNT,EMS,UPS)/Air/Sea
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PRODUCT INTRODUCTION

The battery-powered electromagnetic flow meter is a meter specially designed for the actual requirements of water supply companies. It can optimize water supply and ensure accurate water trade measurement and settlement. Comply with ISO9104 and ISO4064 standards, accurate measurement, high reliability, good stability and long life.

The battery-powered electromagnetic flow meter consists of an electromagnetic flow converter and an electromagnetic flow sensor.

The battery-powered electromagnetic flow meter uses a specially designed sensor excitation system, a high-performance lithium battery power supply system, and a 16-bit embedded ultra-micro power processor, which has the following functions:

      

①All-digital signal processing, stable measurement, high measurement accuracy and strong anti-interference ability;

 

② Automatic two-way flow measurement, on-site instantaneous flow, forward and reverse cumulative total display;

 

③ Self-diagnosis fault alarm;

 

④Infinite transmission of GSM data;

 

Users can realize the wireless remote transmission and storage of flow data through the powerful GSM/GPRS remote management software system.


PRODUCT ADVANTAGES

Micro power consumption design, five 3.6V lithium batteries, continuous work for 5-10 years, and easy to replace the battery.

Display adopts LCD large screen LIQUID crystal display, which can display instantaneous flow rate, flow rate (pipeline pressure), positive and negative cumulative total and alarm prompt and other flow parameters.

There is no moving and resistance parts in the measuring tube, no winding and blockage, almost no pressure loss, can work reliably and continuously for a long time.

Wide measurement range: the flow velocity measurement range can reach 0.05m/s-10m/s.

High measurement accuracy: level 0.5 -1.0.

Measurement stability: measurement accuracy is not affected by the temperature, pressure, viscosity, density and other physical parameters of the measured medium.

 With pulse output and GSM wireless data remote transmission function.

 With data storage function, it can save up to 1000 groups of traffic data, and the data storage interval can be arbitrarily set and data query.


TECHNICAL PARAMETERS


Executive standardJB/T9248-1999
Nominal diameter1520253240506580100125150200250300350400450500600700800900100012001400160018002000
Maximum flow rate15m/s
AccuracyDN15~DN600Value: ±0.3%(flow rate ≥1m/s); ±3mm/s(flow rate < 1m/s)
DN700~DN3000Value: ±0.5%(flow rate ≥0.8m/s); ±4mm/s(flow rate < 10.8m/s)
Fluid conductivity≥5μs/cm
Nominal pressure4.0MPa1.6MPa1.0MPa0.6MPa6.3/10MPa
DN15~DN150DN15~DN600DN200~DN1000DN700~DN3000special orders
Ambient temperatureSensor-25~+60
Converters and one body-10~+60
Lining materialPolytetrafluoroethylene, polyneoprene, polyurethane, polyperfluorinated ethylene propylene (F46)
Maximum fluid temperatureAll-In-One70
Separation typePolyneoprene lining80 ; 120(indicated when ordering)
Polyurethane lining80
Teflon lining100 ; 150(indicated when ordering)
Polyperfluoroethylene propylene (F46)
Electrode materialStainless steel 0Cr18Ni12M02Ti, Hastelloy B, Titanium, tantalum, Platinum/Iridium alloy
Shell protectionDN15 ~ DN3000 separate rubber or polyurethane lined sensorsIP65 or IP68
Other sensors, monolithic flowmeters and separation convertersIP65
Spacing (separate type)Converter distance sensor generally does not exceed 100m


MEASURING PRINCIPLE

The electromagnetic flow meter uses the principle of Faraday's phenol water induction law, that is, when a conductive object cuts the magnetic wire in a magnetic field,

An induced electromotive force is generated in the conductor. Its induced electromotive force E is:

E=KBdV

The flow rate Q is: Q=3600×V×S

 

In the formula: K—meter coefficient

                       B—Magnetic induction intensity (T)

                 d—electrode spacing (m)

                 V—average flow velocity of fluid (m/s)

                 S—The internal cross-sectional area of the duct (m2)

 

When measuring the flow rate, the conductive liquid flows through a magnetic field perpendicular to the flow direction at a flow rate V. The flow of the conductive liquid induces a voltage proportional to the average flow rate, and the induced voltage signal is detected by the electrode in direct contact with the liquid. For the same flow meter S, B, and d are constants, so the flow rate is proportional to the magnitude of the induced electromotive force E (or flow velocity V). 


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