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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.

WindSensor Anemometer: P2546A OPR:

The Wind Sensor P2546-OPR Cup Anemometer offers unrivaled performance as well as the market’s only IEC 61400-12-1 compliance classification. Originally intended for marine environments, the P2546-OPR is well suited for onshore and offshore wind resource evaluation and power performance studies.

Permanent magnets installed on the shaft of the P2546A-OPR (reed switch variant) trigger a reed switch contact. This causes a potential free switch signal with a frequency corresponding to the wind speed to be generated.

Application and features of WindSensor Anemometer: P2546A OPR:



✅ Onshore and offshore wind resource assessment
✅ Wind potential studies
✅ Marine environments forecast
✅ Research purposes
✅ Meteorological Applications
✅ One-piece rotor anemometer head (OPR)
✅ Durable construction with anodized aluminum and stainless steel
✅ Low threshold speed
✅ Short distance constant
✅ Negligible overspeeding
✅ Angular response independent of wind speed
✅ Fully tested temperature performance
✅ Symmetrical geometry
✅ No external power source

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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