Magnetic Suspension Current Meter

1. Product Introduction

The LS25 series magnetic suspension propeller-type current meter is a newly developed hydrological testing instrument by our company, primarily used to measure the average flow velocity at predetermined points in cross-sections of rivers, channels, reservoirs, lakes, and other water bodies, thereby determining the flow rate of the section. The instrument employs a magnetic suspension rotation speed sensor, is powered by a built-in rechargeable battery, and outputs switch signals. It offers advantages such as a wide velocity measurement range, high measurement accuracy, resistance to sediment, minimal influence from flow around obstacles, reliable operation, easy maintenance, and the ability to work for extended periods.

2. Specifications and Models

LS25-1E model—Installation rod diameter Ø28mm, 20 revolutions/signal

LS25-3E model—Installation rod diameter Ø20mm, 20 revolutions/signal

LS25-1F model—Installation rod diameter Ø28mm, 1 revolution/signal

LS25-3F model—Installation rod diameter Ø20mm, 1 revolution/signal

3. Main Technical Specifications

Working water quality: Freshwater or turbid water containing sediment (sediment concentration ≤100kg/m³)

Cumulative continuous operation time: 72h; Body material: 304 stainless steel

Instrument starting rotation speed V0: 0.03m/s; Propeller material: PC engineering plastic

Instrument critical speed Vk: 0.08m/s

Mean square error of calibration formula: m≤0.8%

Propeller rotation diameter: Ø120mm