Model 2030 series
Mechanical Flowmeters
The model 2030 series
Digital, Mechanical Flowmeter is a compact, general purpose instrument for flow
measurements in rivers, estuaries, canals, sewage outfalls, and offshore
applications. It is ideal for determining water speed, volume, or distance.
The Flowmeter incorporates a precision molded rotor coupled directly
to a six digit counter which registers each revolution of the rotor and displays
it in a fashion similar to that of an odometer. The counter is located within
the body of the instrument and is displayed through the clear plastic housing.
Weight in Air: 225 grams (8 ounces).
Weight in Water: 113 grams (4 ounces)
Materials: Celcon rotor. Nickel-plated brass nose cone.
Polycarbonate body. Armaloyed stainless steel main rotor and idler gear shafts.
Dimensions: 21.3 cm (8 3/8") overall length.
Standard rotor diameter: 6.98 cm (2 3/4"). Low-speed rotor diameter: 16.5
cm (6 1/2").
Depth Rating: Unlimited (free flooding).
Data Readout: Six 10-digit counter wheels reading 000000
to 999999. Ten counts per rotor revolution, non-resetting. Read by noting
difference in beginning and end readings. (counter advances through 000000).
6-Digit Full Scale Counter: 999999 counts equals
approximately 14.5 nautical miles.
7-Digit Full-Scale Counter (Model 20307): 9999999 equals
145 nautical miles.
Mounting: Universal bridle allowing single-point
connection for towing or two-point connection within net mouth.
Response with Standard Rotor (Model 2030R) Threshold:
Approximately 10 cm/sec (1/5 knot).
Range: Approximately 10 cm/sec (1/5 knot) to 7.9
meters/sec (15 knots).
Response with Optional Rotor (Model 2030R6) Threshold:
Approximately 6 cm/sec (3/25 knot).
Range: Approximately 6 cm/sec (3/25 knot) to 100 cm/sec
(approximately 6 knots).
Standard Order
Standard order of the 2030 series mechanical flowmeter include universal
bridle, standard or low-speed rotor.
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