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II.Specification 1.The Rotary Diameter for Propeller: Ф60mm 2.The Hydraulic Thread Pitch for Propeller: H=120mm 3.Minimum Velocity: Vo≤0.06m/s(Normal) Vo≤0.05m/s(Premium) asuring Range: 0.07~7m/s(Normal) 0.05~7m/s(Premium) 5.Operational Depth: 0.1~1.2m(Wading rod) 6.Accuracy:unbiased variance: m≤±1.2%(Normal) m≤±1.0%(Premium) V<0.2m/s: Relative Error:σ≤±5% 7.Signal: two signals on every rotary 8.Operational Condition:0~35℃ 9.Continuous Running Time:24h 10.Wading Rod (additional): CG16-1 wading rod for open channel: 1600 mm in four sections; Inner supporting type special wading rod for pipeline