LS25-3A rotary plasma flowmeter

Specification

1. Rotating diameter of propeller: 120mm

2. Hydraulic pitch of propeller: b=250mm, left-handed

3. Propeller material: PC engineering plastic

4. Instrument starting speed: Vo ≤ 0.036m/s

5. Speed measurement range: 0.04-10m/s

6. Critical speed: Vk ≤ 0.14m/s

7. Mean square deviation of verification formula: | m | ≤ 1.2%

8. Instrument working water depth: 0.16m ≤ H ≤ 40m

9. The number of revolutions of the blade between each second signal: 20 revolutions

10. Contact capacity: current ≤ 300mA, voltage ≤ 4.5V (spark extinguishing circuit should be added to the inductive circuit)

11. Continuous working hours: ≤ 8 hours

12. Instrument working water temperature: from unfrozen water temperature to 40 ℃

13. Suitable for sand content: ≤ 50kg/m³

Scope of use

The LS25-3A type is a large range flowmeter used for high-speed measurement of river channels, pressure pipelines of hydropower stations, spillways, dam engineering closures, as well as medium and low-speed measurement of reservoirs, lakes, and general rivers. The LS25-3A flowmeter has a compact structure, flexible rotation, and good waterproof and sand proof performance.

Specification

1. Rotating diameter of propeller: 120mm

2. Hydraulic pitch of propeller: b=250mm, left-handed

3. Propeller material: PC engineering plastic

4. Instrument starting speed: Vo ≤ 0.036m/s

5. Speed measurement range: 0.04-10m/s

6. Critical speed: Vk ≤ 0.14m/s

7. Mean square deviation of verification formula: | m | ≤ 1.2%

8. Instrument working water depth: 0.16m ≤ H ≤ 40m

9. The number of revolutions of the blade between each second signal: 20 revolutions

10. Contact capacity: current ≤ 300mA, voltage ≤ 4.5V (spark extinguishing circuit should be added to the inductive circuit)

11. Continuous working hours: ≤ 8 hours

12. Instrument working water temperature: from unfrozen water temperature to 40 ℃

13. Suitable for sand content: ≤ 50kg/m³