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Anemometer



Anemometer
Product Description

Wind speed Sensor

: 3 Cup Anemometer.

Sensing

: 3 cup assembly mounted on friction free shaft and coupled to a chopper.

Starting threshold

: 0.3 meters/sec.

Range

: 0 to 65 meters/sec.

Distance constant

: 2.5 Meters

Output

: TTL pulses output proportional to wind speed Built in line driver to drive long cable > 50 ohms loop resistance.

Accuracy

: Better than 0.5 m/s up to 10 m/s + 2% FSD

Diameter of cup

: 50 mm.

Diameter of cup assembly

: 165 mm.

Construction of sensor body

: Brass housing and stainless steel shaft .

Principle Of Operation
Anemometer is a fast response, low threshold opto electronic anemometer. When rotated by wind, a chopper on the anemometer shaft interrupts an infra red light source , generating pulses from a photo transistor. The signal is amplified and fed through a line driver. The frequency is proportional to wind speed. The anemometer is provided with a 3 pin connector for easy replacement and comes with 10 meters of shielded cable.

Ordering information
For operation at low temperature the sensor can be supplied with a built in heater The Anemometer can be supplied with a 20W 24 V DC built in heater for operation at low temperatures.

Product Code : 01

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