KH.WFH Float Water Level Gauge

Digital Liquid Level Sensor for Reservoirs, Rivers, Groundwater, and Industrial Monitoring

Product Introduction

The KH.WFH Float Water Level Gauge is a high-precision digital liquid level sensor that combines mechanical float measurement with electronic signal processing to deliver accurate, real-time water and liquid level monitoring. Using an encoder, float displacement is converted into digital signals, ensuring stable and reliable readings for long-term deployment.

Designed with robust construction and corrosion-resistant materials, the KH.WFH is suitable for harsh environments, including reservoirs, lakes, rivers, groundwater wells, and industrial liquid tanks. Its compact design and flexible outputs make it ideal for integration with SCADA, IoT, and telemetry monitoring systems.

Key Features

  • Stable and Reliable
    Optimized mechanical and electronic design provides long-term durability, strong anti-interference capability, and consistent measurement stability.
  • High Precision
    Accurate water level measurement with an error of ≤±2 cm or 0.2% FS, providing fine resolution across a wide measurement range.
  • Power-Off Memory
    Built-in tracking and memory function retains water level data even after power interruptions.
  • Flexible Output Options
    Supports Parallel Gray code, 4–20 mA analog, RS485, and SSI Gray code for seamless integration with SCADA, IoT, or telemetry systems.
  • Durable Materials
    Stainless steel measuring cable and corrosion-resistant float ensure reliable long-term operation in outdoor, industrial, and hydrological environments.

Application Scenarios

  • Continuous monitoring of reservoirs, lakes, rivers, and hydrological stations

  • Groundwater wells, municipal water supply, and irrigation networks

  • Industrial liquid tanks, chemical storage, and wastewater systems

  • Pumping stations and urban drainage projects

Widely applied in hydrology, water conservancy, environmental monitoring, and industrial process control.

Technical Specifications

Parameter Specification
Measuring Range 0–5 m, 10 m, 20 m, 40 m, 80 m (customizable)
Water Level Change Rate <100 cm/min
Resolution 1 cm
Starting Torque of Measuring Wheel <100 g·cm (0.0098 N·m)
Measurement Accuracy ≤±2 cm or 0.2% FS
Display Monitor Mechanical decimal counter
Working Circumference of Wheel 32 cm
Counterweight Diameter φ20 mm
Measuring Cable φ0.8 mm stainless steel cable
Float Diameter φ50 mm, φ100 mm, φ150 mm optional
Contact Resistance ≤0.5 Ω
Insulation Resistance ≥10 MΩ
Output Signals Parallel 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 Index MTBF ≥ 25,000 hours
Operating Voltage Matches selected encoder
 
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