KH.WFH Float Water Level Gauge | Digital Liquid Level Sensor for Reservoirs and Industrial Monitoring

Product Introduction

The KH.WFH Float Water Level Gauge is a high-precision digital liquid level sensor that integrates mechanical and electronic technologies for accurate water and liquid level measurement. The sensor converts float movement into a real-time digital signal through an encoder, providing precise monitoring of water level height and variations. Its robust design ensures reliable, long-term operation in reservoirs, lakes, rivers, industrial tanks, and groundwater wells.

Key Features
  • Stable and Reliable: Optimized mechanical structure provides long-term durability, strong anti-interference performance, and consistent measurement stability.

  • High Precision: Measures water levels with an accuracy of ≤±2 cm or 0.2% FS, offering fine resolution across a wide measurement range.

  • Power-Off Memory: Retains water level data after power interruptions with built-in tracking and memory function.

  • Multiple Output Options: Supports parallel Gray code, 4–20 mA analog, RS485 serial, or SSI Gray code outputs for flexible integration with SCADA or IoT systems.

  • Durable Materials: Stainless steel measuring cable and corrosion-resistant float ensure long-term outdoor and industrial use.

Application Scenarios

  • Continuous water and liquid level monitoring for reservoirs, lakes, rivers, and hydrological stations

  • Groundwater wells, water supply systems, and irrigation networks

  • Industrial liquid tanks, chemical storage, and wastewater systems

  • Pumping stations and drainage projects

  • Widely used in hydrology, water conservancy, environmental monitoring, and industrial process control

Technical Specifications

ParameterSpecification
Measuring Range0–5 m, 10 m, 20 m, 40 m, 80 m (customizable)
Water Level Change Rate<100 cm/min
Resolution1 cm
Starting Torque of Measuring Wheel<100 g·cm (0.0098 N·m)
Measurement Accuracy≤±2 cm or 0.2% FS
Display MonitorMechanical decimal counter
Working Circumference of Wheel32 cm
Counterweight Diameterφ20 mm
Measuring Cableφ0.8 mm stainless steel cable
Float Diameterφ50 mm, φ100 mm, φ150 mm optional
Contact Resistance≤0.5 Ω
Insulation Resistance≥10 MΩ
Output SignalsParallel Gray code, 4–20 mA analog, RS485 serial, SSI Gray code (based on encoder selection)
Ambient Temperature−30℃ ~ +85℃
Relative Humidity≤95% RH (at 40℃)
Reliability IndexMTBF ≥ 25,000 hours
Operating VoltageMatches selected encoder
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