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TLXE-C Electromagnetic Water Meter

TLXE-C Electromagnetic Water Meter

Based on Faraday’s law of electromagnetic induction, this electromagnetic water meter is engineered for the water industry. It supports both external and battery power supply, making it suitable for environments without external power.

Widely applied in urban water supply, sewage treatment, water conservancy projects and other industries, it is an integrated high- precision meter composed of an electromagnetic flow sensor and a converter. Adopting advanced microcomputer technology, it features powerful functions, a compact structure and easy operation, and enables data collection and management via RS- 485 communication.

Main Advantages

  • No mechanical rotating components, free from wear and tear, ensuring stable and reliable operation.
  • Ultra-low starting flow rate, effectively addressing the issues of high starting flow rate and inability to measure micro flow in traditional water meters.
  • IP68 protection grade, enabling long-term underwater operation.
  • Equipped with a bidirectional measurement function.
  • Key parameters and data are locked ex-factory and cannot be modified, ensuring data security.
  • Configured with RS-485 communication, with optional 4G/NB-IoT wireless communication functions available.
  • Built-in Bluetooth interface, supporting on-site Bluetooth meter reading.
  • the pressure monitoring function is optional.

Technical Specifications

Name TLXE-C Electromagnetic Water Meter
Nominal Diameter DN40-300
Housing Material Stainless steel, carbon steel
Lining Material Rubber, polytetrafluoroethylene (F4)
Accuracy Class Class 1 / Class 2
Reverse Flow Requirement Reverse flow measurable
Measuring Medium Conductive liquid with conductivity ≥20μs/cm
Maximum Allowable Working Pressure 1.6 MPa(1.0 MPa is standard for DN200 and above)
Acoustic Path Configuration Dual-path for DN50; Four-path for DN80 and above
Work Environment Temperature: -25℃ ~ +55℃, humidity ≤ 100%RH
Temperature Class T50
Pressure Loss Class Δp25
Upstream-downstream Flow Field

Sensitivity Level

 U5/D3
Environmental Class Class O
Electromagnetic Environment Class Class E2
Protection Class IP 68
Key Magnetic Key
Display Segment LCD with dual-line information display

Upper line for 10-digit cumulative flow display

Lower line for prompt symbol + 6-digit instantaneous flow display
Display Content Instantaneous flow (m³/h), cumulative flow (m³), flow velocity (m/s), medium pressure, date, clock, liquid flow direction, battery

level, empty pipe alarm, etc.
Display Range Maximum cumulative flow: 9,999,999,999 m³, display resolution: 0.0001 m³

Maximum instantaneous flow: 999,999 m³/h, display resolution: 0.001 m³/h

Flow velocity display resolution: 0.001 m/s; Pressure display resolution: 0.001 MPa
Data Storage EEPROM is adopted to store cumulative flow, cumulative effective running time and other parameters, with permanent data retention after power failure; Support storage of 6-year monthly, 2-year daily and 2-month hourly water consumption records
Working Power Supply Compatible with two power supply modes: 3.6V lithium battery and DC 9V~24V. Lithium battery enables continuous operation for

more than 6 years; External power supply: DC 9~24V (accuracy ±10%), power consumption ≤0.5W
RS-485 Communication Interface Optional baud rate: 2400bps, 4800bps, 9600bps (default 9600bps)

Modbus-RTU communication protocol (other protocols customizable)
Remote Communication (Optional) 4G, NB-IoT
Bluetooth Communication Low-power Bluetooth, compatible with BLE4.0/4.1/4.2/5.0

Metering Performance Parameters

DN

(mm)

 Turndown Ratio

Q3/Q1

 Minimum

Flow

Q1 (m³/h)

 Transitional

Flow

Q2 (m³/h)

 Permanent

Flow

Q3 (m³/h)

 Overload

Flow

Q4 (m³/h)

 Accuracy

Class
40  

 

160

200

250

400

 0.10 0.16 40 50  

 

 

Class 1

Class2
50 0.16 0.256 63 78.75
80 0.40 0.64 100 200
100 0.625 1.0 250 312.5
150 1.60 2.56 630 787.5
200 2.50 4.0 1000 1250
250 4.00 6.4 1600 2000
300 6.25 10.0 2500 3125

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