Model Number : 4333
DescriptionThe WindSensor P2546A anemometer is a dependable wind measurement sensor constructed of durable materials, including anodized aluminum and stainless steel.
Wind speed is measured using a three-cup, one-piece rotor assembly. Permanent magnets mounted on the shaft cause a switch to open and close two times per revolution. The switch has no bounce and is equipped with a special built-in mechanism which reduces the variation in operating time over the frequency range. This feature provides instantaneous wind speed by measuring the time interval of each revolution.
Sensor type | 3-cup anemometer |
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Applications |
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Sensor range | 0 m/s to 70 m/s (0 mph to 157 mph) |
Instrument compatibility | all NRG loggers |
Signal type (sensor output) |
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Calibration | each anemometer individually calibrated, calibration reports provided via electronic download |
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Output signal range | 0 Hz to 112 Hz |
Uncertainty |
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Threshold | < 0.4 m/s (0.9 mph) |
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Distance constant (63% recovery) | 1.81±0.04 m (5.94 ±0.13ft ) |
Moment of inertia | 1.01× 10-4 kg-m2 (7.45 × 10-5 S-ft2 ) |
Swept diameter of rotor | 187 mm (7.36 inches) |
Mounting | onto a 25 mm (0.984 inch) diameter mast with two set screws |
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Tools required | 4mm Allen wrench |
Operating temperature range | -35 °C to 60 °C (-31 °F to 140 °F) |
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Operating humidity range | 0 to 100% RH |
Connections | push-pull connector (purchased separately) |
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Weight | 0.36 kg (0.8 pounds) |
Dimensions |
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Cups | robust one-piece injection molded polycarbonate/glass blend |
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Body | anodized aluminum |
Shaft | stainless steel |
Bearing | stainless steel ball bearings |
Magnet | two permanent magnets |
Have a question? Need help configuring and testing your NRG equipment? We’re here to help. NRG Systems products come with five resources for technical support.
Begin by reviewing the documentation we’ve prepared.
There’s a good chance you’re not the first person to have a specific question or issue. Check out our online Tech Forums where others like you go for answers. And if you feel you have something to offer, we welcome you to join in the discussion.
If you have checked the documentation, forums, and Knowledge Base and are still having problems with your equipment purchased within the past two years, you will need to contact NRG for a RMA return authorization number to return a defective product. This is the quickest and easiest way to get you back to doing what you are trying to do, measure the wind. Please see NRG Warranty for warranty details and instructions.
If you should need to return an out-of-warranty item for repair, please contact NRG in order to obtain an RMA number. Detailed instructions for returning an item to NRG can be found in the document Returning_Repairs_to_NRG.pdf.
If you’ve explored all of the above resources and still have questions, we have a crack team of professionals waiting to answer your call or email. We ask that you be sure to use the tools above before contacting us, and we will do our best to assist you.