Float-Operated Water Level Gauge

Short Description:

FS-LDSW-001 Float-Operated Water Level Gauge is a digital sensor integrating mechanical and electrical technologies. It converts the angular displacement of the output shaft into digital signals, enabling high-precision measurement of water level and determination of absolute position. The device features a power-off memory function.

Its working principle is as follows: the measuring wheel of the water level sensor is mounted on the encoder input shaft. A steel wire rope connects the float at one end and a counterweight at the other, winding around the measuring wheel. When the water level changes, the float rises or falls accordingly, driving the wire rope and rotating the measuring wheel. The encoder then outputs real-time water level values.

The device is widely used for water level monitoring in rivers, lakes, reservoirs, ship locks, hydropower stations, hydrological stations, water treatment plants, and petrochemical facilities, as well as for both surface water and groundwater level measurement.

 

 


Product Detail

Product Tags

Technical Specifications

Basic Specifications

Item

Description

Measuring Range 0-80m
Water Level Change Rate < 100 cm/min
Resolution 1cm
Measuring Wheel Starting Torque < 100g·cm(0.0098N·m)
Measurement Accuracy ≤±2cm or 0.2%F·S
Display Decimal Mechanical Counter

Mechanical Specifications

Item

Description

Measuring Wheel Working Circumference 32cm
Measuring Cable Φ0.8mm Plastic-Coated Stainless Steel Cable
Float Diameter 10-15cm Optional

Electrical Specifications

Item

Description

Output Format Contact On/Off Output
Contact Resistance ≤0.5 Ω
Insulation Resistance ≥10MΩ

Communication Interface (Optional)

Item

Description

Interface

RS485 Interface(MODBUS-RTU Protocol)
Gray Code Output
4-20mA Analog Current Output

Environmental Parameters

Item

Description

Environmental Specifications -40℃~85℃
Relative Humidity ≤95% (40℃)
Dimensions 132×132×115
Power Supply Voltage < 100g·cm(0.0098N·m)
Accuracy 12VDC

 

 


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