Electromagnetic Water Meter
042CWM
Features
- Accuracy: Class 2(Please see datasheet for details)
- Theoretical value: Water: Min. 20μS/cm; Other liquid: Min. 5μS/cm
- Recommended value: >30μS/cm
- Strong anti-interference ability, under normal grounding conditions, the flow value can be displayed stably
- With lightning protection capability, it can be used in lightning-prone areas
Overview The best option for gauging tap water flow is the electronic water meter. This kind of flow meter measures the flow using electromagnetic induction and Faraday’s law.
01
Electronic Water Meter for flow measurement
An electronic water meter is devoid of any moving parts, bearings, or gears or turbines that rotate. Rather, the density of the induced magnetic field created by an electrically conducting fluid, like water, passing through a pipe, is measured using two electrodes. Therefore, there is no vulnerability to mechanical wear and tear or bearing wear.To enable the meter to function with a range of water conditions, several materials can be employed to produce the electrodes and liner used in electronic water meters.The measured fluid medium must be electrically conductive (>5μS/cm) in order for the electronic water meter to function. This is the sole restriction. Oil and other petroleum-based fluids are examples of non-conductive fluids that cannot be tested with this method.An electronic water meter is a device designed to measure the flow of water through a system electronically. These meters are commonly used in residential, commercial, and industrial applications to monitor water usage and ensure accurate billing.electronic water meters offer significant advantages over traditional mechanical meters, providing precise measurements, remote monitoring, and enhanced data analysis capabilities.

02
Reliable Electromagnetic Flow Meter Guide
Electromagnetic flow meters detect flow by using Faraday's Law of induction. Inside an electromagnetic flow meter, there is an electromagnetic coil that generates a magnetic field, and electrodes that capture electromotive force(voltage).

03
Electromagnetic Flow Meter Calibration
Flow meters are calibrated by comparing and adjusting their metering to correspond with a predefined standard. Flow meter manufacturers typically calibrate their products in-house after production or send them to an independent calibration facility for adjustment
Principle Electronic Water Meter for flow measurement
Based on Faraday’s law, a mag meter generates the electromotive E that is proportional to the flow speed v when the liquid passes through a pipe with a diameter of D at a flow rate of v. Within the pipe, an exciting coil creates a magnetic flux density of B.
Technical Specification
Product
Electronic water meter
Diameter nominal
DN15~DN1000
Nominal pressure
DN15 - DN250, PN ≤1.6MPa
DN300 - DN1000, PN ≤1.0MPa
Accuracy
Class 2(Please see datasheet for details)
Liner material
Neoprene (CR), Polyurethane (PU), PTFE (F4), PFEP (F46), PFA
Electrode material
316L Stainless Steel, Hastelloy C, Hastelloy B, Ti, Ta, Pt
Medium temperature
Neoprene: -10…+70℃ Polyurethane: -10…+60℃
PTFE/FEP: -10…+120℃ PFA: -10…+120℃
Power supply
220VAC, 24VDC
Repetitiveness
0.16%
Structure type
Compact type, Remote type
Ingress protection
IP65, IP68(remote type only)
Product standard
JB/T 9248-2015
Applications
Heating and Cooling Reactors
Disinfecting and Sterilizing
Waste Heat Recovery Boilers
Dyeing WasteWater
Exhaust Gas Treatment
Fertigation System
Accessories
Documents

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