LS300-BThe portable flow velocity meter (referred to as the portable flow velocity meter) is specially developed for hydrological stations, factories and mines, environmental monitoring stations, agricultural drainage and irrigation, hydrogeological surveys and other departments to measure open channel flow velocity and flow in the field.

LS300-BThe portable flow velocity meter can be used with a flow velocity sensor, which has been redesigned for the helix angle, pitch, manufacturing process, and materials of the propeller. Measure parameters such as flow velocity and flow rate in open channels.

Equipment List:

① Flow sensor, ② signal connector, ③ flow meter, ④ charging head, ⑤ data cable

Equipment parameters:

Measurement principle:

Flow velocity measurement: Under hydraulic propulsion, the flow velocity meter has a built-in signal device that generates a rotational speed signal. Therefore, the flow velocity can be calculated based on the total number of signals generated by the flowmeter during a certain unit period using the following formula: v=a+b * R/T (m/s) (automatically calculated)

Average flow velocity during the flow measurement period (m/s)

B-type propeller (or cup) hydraulic pitch (m)

T-flow measurement duration (s)

The total number of revolutions of the rotor of the flowmeter during the R-T period

For an individual flowmeter, b and a are constant values. Therefore, when measuring flow, as long as T and R values are measured, the flow velocity can be calculated.

Flow measurement: Enter the type of the measured section and manually input (or measure through auxiliary sensors) the water level and width of the regular section to calculate the section area. The instrument also has Q=V * S to calculate the flow velocity Q value