AIRMAR ULTRA SONIC WEATHER STATION PB150 SPECIFICATIONS Wind Speed Range: 0 knots to 80 knots ( 0 MPH to 92 MPH) Wind Speed Resolution: 0.1 knots ( 0.1 MPH) Wind Speed Accuracy @ 0° C to 55° C ( 32° F to 131° F) , no precipitation* : — Low Wind Speeds: 0 knots to 10 knots ( 0 MPH to 11.5 MPH) ; RMS error of 1 knot ( ± 1.1 MPH) + 10% of reading — High Wind Speeds: 10 knots to 80 knots ( 11.5 MPH to 92 MPH) ; RMS error of 2 knots ( ± 2.3 MPH) or 5% RMS, whichever is greater Wind Speed Accuracy in wet conditions* * : 5 knots ( 5.7 MPH) RMS Wind Direction Range: 0° to 360° Wind Direction Resolution: 0.1° Wind Direction Accuracy @ 0° C to 55° C ( 32° F to 131° F) , no precipitation* : — Low Wind Speeds: 4 knots to 10 knots ( 4.6 MPH to 11.5 MPH) — 5° RMS typical — High Wind Speeds: > 10 knots ( > 11.5 MPH) — 2° RMS typical Wind Direction Accuracy in wet conditions* * : > 8 knots ( > 9.2 MPH) — 8° RMS typical Compass Accuracy: 1° RMS when level Pitch and Roll Range / Accuracy: ± 50° / 4 knots ( > 4.6 MPH) wind Barometric Pressure Range: 850 mbar to 1150 mbar ( 25 inHg to 34 inHg, 850 hPa to 1150 hPa) Barometric Pressure Resolution: 0.1 mbar ( 0.029 inHg, 0.1 hPa) Barometric Pressure Accuracy: ± 2 mbar ( ± 0.059 inHg, ± 2 hPa) when altitude correction is available GPS Position Accuracy: 3 m ( 10’ ) with WAAS/ EGNOS ( 95% of the time, SA off) Operating Temperature Range: -25° C to 55° C ( -13° F to 131° F) Supply Voltage: 9 VDC to 16 VDC Supply Current:

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