Gurley Precision Instruments

The compact design of pygmy meters - the bucket wheel is just 3/4 inch by 2 inches in diameter - allows measurement of shallower and lower velocity flows. The pygmy meter provides reliable measurements of flows down to 0.05 feet per second at depths as shallow as 3 inches. Except for the absence of a five revolution click, these models operate identically to the larger Price type meters... Read more...

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Arjay Engineering Ltd.

Using a capacitance level technology in conjunction with a primary flow device, the Open Channel Flow monitor provides continuous on-line monitoring. Features include flow rate indication, flow totalization, high flow and level alarms, and a pulsed totalization alarm. Read more...

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Arjay Engineering Ltd.

The 4100-OCF provides an economical means to monitor the flow within defined open channels and streams.

The control unit can be mounted safely remote from the stream channel up to 1 km away using inexpensive 2-conductor shielded wire. Read more...

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