ICAL Intruments Company Limited

WindSensor P2546D-OPR Cup Anemometer

The WindSensor 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 P2546D-OPR (electronic version) features permanent magnets mounted on the shaft that activates an electronic switching circuit. This generates an open collector output signal with a frequency proportional to the wind speed.

P2546D-OPR 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

Specifications

DESCRIPTION

Sensor type

3-cup anemometer

Applications

Wind resource assessment
Wind turbine power performance measurement
Meteorological and environmental monitoring

RESPONSE CHARACTERISTICS

Calibration

Each anemometer individually calibrated compliant with IEC 61400-12-1

Transfer function

U = 0.620 x f + 0.21 [m/s]

Dispersion of transfer function

σ = 0.0015 x U [m/s] @ U = 4...16 m/s

Distance constant (63% recovery)

1.81 ± 0.04 m

Starting threshold

< 0.3 m/s

Resolution

0.001 m/s @ 10-minute average mode

Range

0...75 m/s

OUTPUT SIGNAL

Signal type

NPN open collector, frequency proportional to wind speed

Duty cycle

45...55 %

Max switching voltage

30 V

Max switching current

10 mA

Output resistance

60 Ω

Pull-up resistor

100 kΩ max @ switching voltage = 5 V
10 kΩ max @ switching voltage > 5 V

ACCURACY

Calibration standard uncertainty, u_V1

0.012…0.038 m/s @ 4…16 m/s

Classification standard uncertainty, u_V2

Class number, k		Operational standard uncertainty, u_V2 @ 10 m/s
1.32A		0.076 m/s
3.71B		0.214 m/s
1.54C		0.089 m/s
3.76D		0.217 m/s
0.03...3.76S		0.002...0.217 m/s

POWER SUPPLY

P2546D-OPR

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

ENVIRONMENTAL

Operating temperature range

-40...60 °C

Operating humidity range

0...100 % RH

Compliance

CE: EMC & ROHS, REACH, WEEE, FCC

PHYSICAL

Exterior materials

Anodized aluminum, Stainless steel and GRP

Mating cable connector

Lemo E Series FFA.1E.650.CTAC45 (cable diameter 4.1…4.7 mm)

Overall height

282 mm

Swept diameter of rotor

188 mm

Weight

0.36 kg

Shipping weight

1.15 kg

Shipping dimensions

Cardboard box 360 x 230 x 210 mm

WindSensor P2546D-OPR Cup Anemometer

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WindSensor P2546D-OPR Cup Anemometer

Specifications

DESCRIPTION

RESPONSE CHARACTERISTICS

OUTPUT SIGNAL

ACCURACY

POWER SUPPLY

ENVIRONMENTAL

PHYSICAL

WindSensor P2546D-OPR Cup Anemometer

ICAL INSTRUMENTS CO.,LTD.

Mobile : 089-497-3239

Email : ical.servicecenter@gmail.com info@icalinstruments.com service@icalinstruments.com

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