Types Of Current Meter

15 6 price current meter is shown in which a wheel of conical cups 6 to 8 is mounted on arms of a vertical axis. An early type of electrochemical meter used in the united kingdom was the reason meter. The roberts radio current meter is a device mounted on a moored buoy and transmits its findings via radio to a servicing vessel.

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As current was drawn from the supply electrochemical action transferred the mercury to the bottom of the column.

Types of current meter. Electric current meters type are 1. A mid 20th century realization is the ekman current meter which drops balls into a container to count the number of rotations. This current meter is suspended in the water using a cable with sounding weight or wading rod taking the tail section off and will accurately measure streamflow velocities from 0 1 to 25 feet per second 0 025 to 7 6 meters per second. Figures 15 6 and 15 7 give clear idea about two types of current meters.

Current meter of common use may be classified in two categories according to the type of revolving part used. Mechanical current meters are mostly based on counting the rotations of a propeller and are thus rotor current meters. The usgs type aa current meter is commonly known as the price type current meter. This consisted of a vertically mounted glass structure with a mercury reservoir at the top of the meter.

The company started making instruments for measuring the speed of the water in london s river thames since then our product range has grown but our expertise in current flow measurement remains. Current meters and open channel meters have been a speciality of valeport s since the company was first formed in 1969.