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Standard wind vane anemometer

Standard wind vane anemometer

€169.00 (tax incl.) (€140.83 VAT excl.)
Delivery in 1 to 5 days

The Davis Instruments wind vane anemometer was originally designed for the Weather Wizard and Weather Monitor stations, but is now compatible with the Davis Instruments Vantage Pro 1 and 2 weather stations. It is now regularly used by integrators thanks to its attractive price and robustness. 

Reference
7911
Available

The 7911 vane anemometer for the Weather Wizard and Weather Monitor stations (also compatible with the Vantage Pro and Pro 2 stations) provides wind speed and wind direction measurements. The anemometer is rugged and can withstand hurricane-force winds, but is also sensitive to very low wind speeds.

The anemometer has been tested in a wind tunnel and meets the limiting characteristics below. It recorded up to 282 km/h during Hurricane Andrew in 1992 before breaking.

A 12m 4-conductor cable is supplied with the vane anemometer. 

Fixing to a tube/mast with a maximum diameter of 5 cm.

This vane anemometer also exists in a version with a more vertical offset arm: Reference 6410 (see associated product).

Miscellaneous
Size
470 x 191 x 121 mm
Weight
1.332 kg
Wiring
RJ11; Black wire: Pulses (wind speed); Red wire: Earth; Green wire: Potentiometer resistance (wind direction); Yellow wire: Power
Length
12 m ; Max 240' (73 m). Maximum wind speed reading decreases as length of cable from Anemometer to ISS increases. At 140' (42 m), maximum speed is 135 mph (60 m/s). At 240', the maximum is 100 mph.
Wind
Accuracy
±2 mph (2 kts, 3 km/h, 1 m/s) or ±5%, whichever is greater
Measuring range
1 to 322 km/h
Measurement principle
Solid state magnetic sensor
Wind direction
Accuracy
±3°
Measurement principle
Wind vane and potentiometer

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