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High Speed Propeller Current Velocity Water Meter High Sediment Condition

Categories Current Velocity Meter
Brand Name: MELAN
Model Number: LS20B
Place of Origin: China
MOQ: 1 set
Price: Negotiation
Payment Terms: T/T
Supply Ability: 1000 sets per month
Delivery Time: 7-10 working days
  • Product Details
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High Speed Propeller Current Velocity Water Meter High Sediment Condition

High Speed Propeller Current Velocity Meter with High Sediment Condition

  • HL Handheld Reader

HT-BType Handheld Reader

1. Introduction

Portable current velocity meter is an equipment used in water conservancy for velocity flow measurement, designed for hydro-logical stations,mining factories, environment monitoring stations, farm irrigation, hydro-geology and so on. Portable current velocity meter is composed of propeller velocity meter, HL type handheld reader and measuring bars. Full set of instruments is in the aluminum-alloy box.When using, you can assemble it as a body and connect the signal cable, then the velocity of every open channel can be measured. And it can automatically display the velocity and present the flow of sectional areas.

The instrument is lightand convenient with simple structure. It has low power consumption, complete function, high automation degree, stability and reliability, which complies with the national measurement standards.

2. Specification

Screen2*16 liquid crystal display
Measuring methodPositioning measuring bar or suspended cable
Temperature range-10℃~45℃
Instrument calculationAutomatic calculation
Power supply5VDC,it can work for 40 hours after full power
Data storage99 articles

  • Propeller Velocity Meter

LS20B Type Propeller Velocity Meter

1. Introduction

LS20B Type Propeller Velocity Meter had passed the technical appraisal appraise of the Ministry of Water Resources of the People’s Republic of China in 1986 and its performance had reached international advanced level of similar products. This product was awarded the Third Prize of Science and Technology Progress by the Ministry of Water Resources of the People’s Republic of China in 1988 and was honored as China state level new product in 1990. In 1993, it participated in the international flow meter test which was organized by United States Geological Survey(USGS) and its superb performance was well praised by American experts when compared with world famous brands such as American Price AA, Germany Occt-3, Britain Valeport BFM002 and so on.

2. Features

  • Especially extensive velocity measurement range, one propeller can satisfy different measurement requirements.
  • Good sealing performance makes regular work in operational condition of high velocity and high sediment concentration possible.(Highest measurement velocity is 4.3m/s, highest sediment concentration is 100kg/m³)
  • The propeller adopts imported high quality engineering plastics, which is of high impulse strength, stable geometry, and aging resistance. The docimasy coefficient K won’t change in harsh natural condition environment.
  • Low velocity performance and internal friction characteristics.
  • Flexible installation manner and reasonable directional device structure can be suitable for current direction.
  • Good structure intensity makes installation and support firm and can stand 15m/s high flow rate impact.
  • Steam-line overall and built-in type empennage counter weight reduces water resistance. No additional deflection moment.

3. Specification

Velocity range0.05~15m/s
Turning propeller diameterØ120mm
Propeller hydraulic pitchH=200mm
Depth range:50m
Measuring barØ20mm*3.0m(can be discharged into three sections)
Signal frequencytwo signals/rotation
Working temperature0-40℃
Verification formula relative deviationƍ<�±1.5%(V≥Vk); ƍ<�±5.0%(Vk)
Suspended Sediment Concentration≤50kgs/m³
Continuous working time24 hours
Switch contact capacitycurrent≤50mA, voltage≤6V

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