Lake / Channel Propeller Type Current Meter 0.07-7m/s Measuring Range

Lake / Channel Propeller Type Current Meter 0.07-7m/s Measuring Range

Specifications:

1 The Rotary Diameter for Propeller: 60mm

2 The Hydraulic Thread Pitch for Propeller: H=120mm

3 Minimum Velocity: Vo≤0.06m/s(Normal)

                                  Vo≤0.05m/s(Premium)

4 Measuring Range: 0.077m/s(Normal)

                                 0.057m/s(Premium)

5 Operational Depth: 0.11.2m(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:035

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

Measuring principles:

This instrument is designed based on the theory of areas of open channel’s velocity.

After measuring the velocity, the flow can be get:Q=V·S(S is sectional area)

• Velocity measurement

When measuring velocity, the spin paddle type rotor flow meter will be pushed by waterpower. 

The built-in signal apparatus produces RPM signal. The formula below can calculate velocity:        

(K/b)N

                 V—————-    C/a(m/s)

                         T

V: the average velocity (m/s)

B/K:the waterpower pitch of blades 

a/C: velocity constant

T: lasting time(the unit is s)

N: the number of signals in T time 

S: sectional area

Q: flow

K/b, C/a are constants

When measuring, you can setT and then measure N, so the velocity and flow can be 

automatically calculated.

What Metlan bring you?

Metlan is specialized in the design,development,manufacturing,sales,installation,after-sale service in the industry of automation control and measuring instrument, we create a full set of commercial mode to provide customers high quality products of favorable prices, We can peroxide OEM product and technical services,enhance the competitiveness to bring a stable measurement environment to the end users.

Life Span

1. 5years under correct operation and maintenance.

2. Under correct operation, calibration formula should be checked after 1—2years.

Company team