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Home Prepaid Water Meter IC Card Cold type Water Meter
Prepaid Water Meter

IC Card Cold type Water Meter

IC Card Cold type Water Meter /IC Card Hot type Water Meter uses a Rotary Wet type Water Meter as its base.
Adopts the electromechanical conversion method of pulse magnetoresistive counting function, completes data transmission via IC card and Bluetooth, and is suitable for occasions where users have the requirement of mobile phone recharge for prepayment before water usage.

Features
  • HD LCD: shows purchased water volume, remaining volume, cumulative consumption, valve status, battery status, etc.
  • Prepayment: Pay-first usage; auto-closes valve when out of credit, auto-opens after recharge.
  • Mechanical and electrical separation design: convenient for maintenance in the later stage.
Applications

Residential

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Features

  • Prompt & Alarm: LCD prompts and valve-closing alarms for faults (battery power-off, under voltage, low water, strong magnetic interference).
  • Valve Self-Maintenance: Regular valve rotation removes scale, ensuring flexibility.
  • Water Price Setting: Supports single and stepped water price configuration at the meter end.
  • IC Card Payment: Enables self-service payment via payment terminals.
  • Bluetooth Function (Bluetooth Meters): Connects to mobile Bluetooth for meter setting, reading, and recharge.
  • Protection: IP68 rating, dual sealing (structural + potting) for excellent waterproof performance.
  • Set the alert threshold: Receive an alarm notification when the prepaid balance falls below the alert threshold.
  • Tiered water price function:  Support both tiered and fixed water prices at the same time.

Tech Specs

Nominal Diameter (DN), mm 15 20 25
Permanent Flow Rate (Q3), m³/h 2.5 4 4 / 6.3
Measurement Range (Q3/Q1) R 100
Metering Accuracy Class Class 2
Max. Pressure MAP16
Pressure Loss ΔP63 (≤0.063MPa)
Working Temperature Cold Water Meter (T30): 0.1℃~30℃ Hot Water Meter (T90): 0.1℃~90℃
Flow Profile Sensitivity U10/D5
Communication Method IC Card
Installation H
Environmental Class Class B
Electromagnetic Compatibility Class E1
Waterproof Rating IP 68
Case Material Copper

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Tech Specs

/ Min Typical Max Unit Remarks
Main Power Supply +2.7 -3.6 +3.7 V
Power Undervoltage Point 3.1 3.4 V
Quiescent Operating Current 2 12 uA
Coil 800 uH
Continuous Communication Interval 180 480 ms
Continuous Operating Time 6 Year 4.0 Ah battery, remaining battery charge > 70% after six years
Card Reading Distance 0 30 mm
Normal Operating Temperature -20 70 ℃
Storage Temperature -20 70 ℃
Humidity 85%
Motor Drive Timeout Waiting Time 25 s
Motor Stall Current 30 180 mA

Installation Dimensions

ModelDN (mm)L (mm)L1 (mm)H (mm)W (mm)Connecting Thread dConnecting Thread D
LXSK-151526016511391R1/2G3/4B
LXSK-202030019511391R3/4G1B
LXSK-252535022511391R1G1 1/4B

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