LS25-3A Type Propeller Current Meter
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LS25-3A Type Propeller Current Meter
1. Product Introduction
The LS25-3A type is a large-range current meter. Some technical specifications of the LS25-3A propeller current meter are superior to those of the LS25-1 type propeller current meter. It features a wide measuring range, suitable for high, medium, and low velocities. It is used for high-speed measurements in river channels, pressure pipelines of hydropower stations, spillways, and high-speed closure measurements in dam projects, as well as medium and low-speed measurements in reservoirs, lakes, and general rivers. The LS25-3A current meter has a compact structure, flexible rotation, and excellent waterproof and sand-resistant performance.
2. Main Technical Specifications
2) Propeller hydraulic pitch: b=250mm, left-hand rotation
3) Propeller material: PC engineering plastic
4) Starting rotation speed: V0≤0.036m/s
5) Velocity measurement range: 0.04~10m/s
6) Critical velocity: Vk≤0.14m/s
7) Calibration formula mean square error: m≤1.5%
8) Operating water depth: 0.16m≤H≤40m
9) Rotations between signals: 20 rotations
10) Contact capacity: current≤300mA voltage≤4.5V (inductive circuits should include a spark suppression circuit)
11) Continuous operating time: ≤8 hours
12) Operating water temperature: from non-freezing water temperature to 40°C
13) Suitable sediment concentration: ≤50kg/m³
3. Standard Configuration
The current meter main unit requires the use of a CG20 type measuring rod, current meter, and signal cable, among other accessories.
| Industry Category | Measurement-Analysis-Instruments |
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| Origin: | China / Shandong / Weifangshi |