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WindSensor Anemometer: P2546A OPR

Make:  Wind Sensor    Model:  P2546A OPR
✅ Class 1 anemometer with excellent performance in both flat and complex terrain for low measurement uncertainty on any site.
✅ Measurand : Wind Speed.
✅ Sensor Type : Cup anemometer
✅ Signal Output : Switch closure, frequency proportional to wind speed
✅ Supplied With : Connector, Factory test/ Calibration Certificates.

The Wind Sensor P2546-OPR Cup Anemometer combines unrivaled performance with the only IEC 61400-12-1 compliant classification on the market. Originally designed for marine environments, the P2546-OPR is ideally suited for wind resource assessment and power performance studies both onshore and offshore.

The P2546A-OPR (reed switch version) features permanent magnets mounted on the shaft that activates a reed switch contact. This generates a potential free switch signal with a frequency proportional to the wind speed.


Wind Sensor


P2546A OPR

Weight (Mass)

0.40 kg, Shipping weight : 1.15 kg


cardboard box 360 x 230 x 210 mm
Overall height : 282 mm
Swept diameter of rotor : 188 mm


Signal type : Switch closure, frequency proportional to wind speed
Duty cycle : 40…60 %
Max switching voltage : 30 V
Max recommended switching current : 10 mA
Output resistance : 330 Ω, 1 W

Power Supply

Self-excited, pull-up resistor of 10…100 kΩ required

Operating Environment

Operating temperature range : -38…60 °C
Operating humidity range : 0…100 % RH

Standerd / Regulation

First Class in accordance to IEC 61400-12-1

Mast Diameter

Onto a 25.0 ± 0.3 mm (0.984 inch) diameter tube with two set screws


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