Thiết bị đo gió P2546C-L
Thiết bị đo gió P2546C-L

P2546C-L Three-Cup Anemometer with MEASNET Calibratio

IEC 61400-12 Class 1 performance, ideal for wind-energy applications

9 ₫

The P2546C, manufactured by WINDSENSOR, is a Class 1 cup anemometer commonly used in wind resource assessment and power performance applications. Each anemometer is individually calibrated compliant with IEC 61400-12-1 and is shipped with a MEASNET calibration certificate. The P2546C features a durable construction and is suitable for both on-shore and off-shore environments. The “C” version of this sensor (coil version) contains no mercury and is compatible with all Campbell Scientific measurement and control data loggers.

The P2546A (reed switch version) and P2546D (electronic version) are also available.

Benefits and Features

    • 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
    • MEASNET calibrated
Category:
Sensor 3-cup anemometer
Measurement Description Wind speed
Range 0 to 70 m/s
Starting Threshold < 0.4 m/s
Starting Speed 0.27 m/s
Gain 0.6201 m
Distance Constant λ0 = 1.81 ± 0.04 m
Standard Deviation of Offset 0.014 m/s
Standard Deviation of Gain 0.027 m
Variation among Units ±1%
Non-Linearity < 0.04 m/s
Temperature Influence < 0.05 m/s (-15° to +60°C)
-NOTE- The specifications are based on 80 wind tunnel calibrations performed according to the Measnet Cup Anemometer Calibration Procedure. The specified offset and gain figures represent the mean values of these calibrations. Variation among units designates the maximum deviation of any unit from the straight line representing these mean values. All units are run-in for 225 hours at 9 ms-1, in order to reduce the initial bearing friction to a level close to the steady state value. After run-in, bearing friction is tested at -15°C and at room temperature. The allowed limits for this test assure that the temperature influence on the calibration is within the specified limit.
Calibration
Standard U=A0+B0×f
Wind Speed U [m/s]
Offset A0=0.27 m/s (“starting speed”)
Gain B0=0.620 m
Output Frequency f [Hz]
Switching Characteristics
Signal Type Potential free contact closure
Duty Cycle 40% to 60%
Maximum Switching Voltage 30 V
Maximum Recommended Switching Current 10 mA
Series Resistance 330 Ω, 1 W
Operating Temperature Range -35° to +60°C

Brochures: P2546C Three-Cup Anemometer

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Manuals: P2546A, P2546C, and P2546D Anemometers

Download

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