Cup current meter
Technical parameters:
1) Cup diameter (bucket wheel diameter): Diameter 130mm
2) Cup hydraulic pitch b: 70mm (Theoretical value)
3) Rotating speed v0: 0.016m\/s (LB70-1C) 0.06m\/s (LB70-2C, LB70-2D)
4) Critical speed vk: About 0.13m\/s (To the actual test value is standard. According to statistical analysis, the VK is much smaller than the above value. )
5) Speed range: 0.02m\/s ~ 2m\/s (LB70-1C) 0.1m\/s ~ 4m\/s (LB70-2C, LB70-2D)
6) Output signal: The switch contact on-off signal
7) Signal number / Rotor speed: 1/1 (LB70-1C, LB70-2C) (every 1 rotate to 1 signal) 1/5 (LB70-2D) (every 5 rotate to 1 signal)
8) Switch contact capacity: DC U ≤ 24V, I ≤ 120mA
9) Contact work number: 1× 107
10) All variance m: |m ≤ 1.5% (for V ≥ VK)
11) Relative error δ : δ ≤ 5% (for V < V
12) Water work environment: Water temperature of 0~ 40 Celsius degree
Water depth: 0.1M ~ 100m
Suspended sediment concentration ≤ 1kg/m3
13) Storage environment: Temperature -25 ~ 55 Celsius degree
Moisture ≤ 90%
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