System specifications:

John Deere Mobile Weather provides system accuracy within +/- 6.4 km/h (+/- 4 mph) up to a 64.3 km/h (40 mph) apparent wind. Apparent wind speed is the total wind experienced without compensation for machine speed and direction. Operating with a headwind and tailwind increases vehicle turbulence, negatively impacting wind speed accuracy. For optimal performance, Mobile Weather is recommended to be utilized in vehicle operation speeds less than 32 km/h (20 mph). John Deere Mobile Weather is not recommended for use in dry-box applications.

NOTE: Specifications are for a new sensor. System performance may vary based upon application.

Measurements:

Measurement time: 10 minutes
Power: 2.5 VDC at 2 mA to 5 VDC at 7 mA
Output: 320-1000 mV at 3-V excitation
Operating temperature range: -40 to 55⁰C (-40 to 131⁰F)
Air temperature range: -40 to 55⁰C (-40 to 131⁰F)
Air temperature resolution: 0.1⁰C (-0.1⁰F)
Air temperature accuracy: ±1⁰C (±1.8⁰F), wind greater than 7.4 km/h (4.6 mph)
Relative humidity range: 10-95 percent relative humidity
Relative humidity accuracy: ±4 percent relative humidity
Wind speed range: 0-144 km/h (0-92 mph)
Wind speed accuracy, low wind speed: 0-18.5 km/h (0-11.5 mph), root-mean-square (RMS) error of 1.8 km/h (1.1 mph) + 10 percent of reading
Wind speed accuracy, high wind speed: 18.5-144.5 km/h (11.5-90 mph), RMS error of 3.7 km/h (2.3 mph) or 5 percent RMS, whichever is greater
Wind direction range: 0 degrees to 360 degrees
Wind direction resolution: ±0.1 degrees
Wind direction accuracy, low wind speed: 7.4-18.5 km/h (4.6-11.5 mph), 5 degrees RMS, typical
Wind direction accuracy, high wind speed: Greater than 18.5 km/h (greater than 11.5 mph), 2 degrees RMS, typical

NOTE: When the wind speed is less than 7.4 km/h (4.6 mph) and/or air temperature is below 0⁰C (32⁰ F), wind, temperature, and relative humidity readings will be less accurate.

NOTE: RMS error is a measure of the differences between values predicted by a model and the values actually observed.

Dimensions, sensor body:

Diameter, top: 72 mm (2.83 in.)
Diameter, nut assembly, connection with sensor body: 45 mm (1.77 in.)
Length, total: 131 mm (5.16 in.)
Length, sensor body: 90 mm (3.54 in.)

John Deere Mobile Weather

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