Cirrus research MO901 Compact Weather Stations (0.01 m/s ~ 60 m/s; 0‐359°; 40°C - +70°C; 0‐100%; 300‐1100 hPa)

Wind speed

Range: 0.01 m/s to 60 m/s

Accuracy: ± 3% to 40 m/s, ± 5% to 60 m/s

Resolution m/s: 0.01

Starting threshold: 0.01 m/s

Sampling Rate: 1 Hz

Units: m/s, km/hr, mph

Wind direction

Range: 0‐359°

Accuracy: ± 3° to 40 m/s, ± 5° to 60 m/s

Resolution: 1°

Starting threshold: 0.05 m/s

Sampling Rate: 1 Hz

Units: Degrees

Temperature

Range: ‐40°C to +70°C

Resolution: 0.1

Accuracy: ± 0.3°C @ 20°C

Sampling rate: 1 Hz

Units: °C / °F / °K

Humidity

Range: 0‐100%

Resolution: 1%

Accuracy: ± 2% @ 20°C (10%‐90% RH)

Sampling rate: 1 Hz

Units: % Rh, g/m3

Dew point

Range: ‐40°C to +70°C

Resolution: 0.1

Accuracy: ± 0.3°C @ 20°C

Sampling rate: 1 Hz

Units: °C / °F / °K

Pressure

Range: 300‐1100 hPa

Resolution: 0.1hPa

Accuracy: ± 0.5 hPa @ 25°C

Sampling rate: 1 Hz

Units: hPa, mbar, mmHg, inH

Precipitation

Measurement type: Optical

Range: 0 to >300 mm/hr

Precipitation resolution: 0.08 mm (customer selectable)

Repeatability: 3%

Sampling rate: 1 Hz

Units: mm/hr, mm/total, in/hr, in/total

Heating: YES

Environmental conditions

IP Rating: 66

Operational Temp. Range: ‐35°C to +70°C

EMC Standard: BS EN 61326‐2‐1:2013 FCC, CFR Title 47, Part 15, Subpart B, Class A digital device

CE Marking: YES

RoHS compliant: YES

Weight: 0.5kg

Origin: UK

Datasheet