#40C Maximum Wind Speed Sensor

Overview

NRG's #40C is a calibrated anemometer primarily intended for wind prospecting applications. A four-pole magnet induces a sine wave voltage into a coil producing an output signal with frequency proportional to wind speed. This signal is measured by our dataloggers. The #40C is constructed of Lexan. A rubber terminal boot is included. In February 2008, the #40C replaced the #40 anemometer.

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Specifications

Operating Temperature -55° to +60°C
Operating Relative Humidity 0 to 100% RH
Starting Threshold 0.78 m/s (1.75 mph)
Cup Distance Constant 3.0 m (10 ft) 63% recovery
Cup Diameter 5.1 cm (2 in.)
Swept Diameter of Rotor 19.0 cm (7.5 in.)
Overall Assembly Height 5.1 cm (3.2 in.)
Weight 0.1 kg (0.2 lb)

Compatibility

Note: The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.

Dataloggers

Product Compatible Note
21X (retired)
CR10 (retired)
CR1000
CR10X (retired)
CR200X (retired)
CR206X (retired)
CR211X (retired)
CR216X (retired)
CR23X (retired)
CR3000
CR500 (retired)
CR5000 (retired)
CR510 (retired)
CR800
CR850
CR9000 (retired)
CR9000X

Additional Compatibility Information

Datalogger Considerations

The #40C is measured by the PulseCount instruction in CRBasic and by Instruction 3 (Pulse Count) in Edlog. The #40C uses one pulse count channel on the datalogger.

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