Low Conductivity Electromagnetic Flow Meter

Low Conductivity Electromagnetic Flow Meter

The Low Conductivity Water Electromagnetic Flow Meter is a high-performance instrument designed specifically for measuring low-conductivity liquids (down to 5 μS/cm or even lower for special models). Compared with conventional mag meters, it adopts a high-sensitivity excitation system and a low-noise signal processing circuit, ensuring reliable measurement in challenging applications such as ultrapure water, deionized water, and boiler feedwater.

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Key Features

Low-conductivity measurement capability:
applicable to ≥5 μS/cm media (special models up to ≥0.5 μS/cm).
Multiple Output Options:
Supports 4–20 mA, IOT, RS485, and Modbus communication.
Strong Anti-Interference Ability:
Stable performance in complex industrial environments.
High-sensitivity electrodes.
Stable measurement for demineralized water / purified water / condensate.
Wide Application Range:
Suitable for industries such as power generation, metallurgy, chemical processing, and water treatment.
High protection level:
optional IP65 / IP67 / IP68, suitable for outdoor and water treatment environments.

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Technical Advantages

Dedicated excitation technology ensures stable signals in low-conductivity liquids.
Excellent long-term stability with minimal zero drift, ideal for continuous operation.
Multiple liner options to suit pure water and slightly corrosive low-conductivity liquids.
Wide application range covering ultrapure water, RO water, boiler make-up water, and pharmaceutical liquids.

Applications

Water Treatment Industry:

ultrapure water, deionized water, reverse osmosis water.
Power Plants:

boiler feedwater, condensate circulation systems.
Pharmaceutical Industry:

water for injection, distilled water, preparation systems.
Food & Beverage:

low-conductivity drinking water, dilution solutions.

Selection Guide

Configuration Item	Options	Description
Diameter Range	DN10 ~ DN600	Common pipe sizes for water treatment systems
Conductivity Range	≥0.5 μS/cm, ≥5 μS/cm, ≥20 μS/cm	Select model based on process
Liner Material	PFA, PTFE, Ceramic	Ensures purity, non-leaching
Electrode Material	Titanium, Tantalum, Platinum, 316L SS	Prevents polarization, suitable for low-conductivity liquids
Output Options	4-20 mA / Pulse / RS485 / Modbus	Data acquisition and transmission
Protection Level	IP65 / IP67 / IP68	Indoor, outdoor, or underground installations
Installation Type	Flanged / Hygienic clamp	Flexible to system design
Power Supply	AC220V / DC24V / Battery	Matches on-site supply conditions

Typical Technical Parameters

Parameter	Typical Value	Description
Flow Velocity Range	0.05 ~ 10 m/s	Suitable for low flow rates
Conductivity Limit	≥5 μS/cm (special type ≥0.5 μS/cm)	Low-conductivity capability
Accuracy	±0.5%R (optional ±0.2%R)	High-precision measurement
Temperature Range	-20℃ ~ +120℃ (special up to 150℃)	Process adaptability
Pressure Rating	1.6 MPa / 2.5 MPa / 4.0 MPa	Standard pipeline pressure classes
Protection Class	IP65 / IP67 / IP68	Dust and water resistance
Communication	4-20 mA / Pulse / RS485 / Modbus / HART	Easy system integration

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