The temperature sensor is a high accuracy thermister which has been factory calibrated to within 0.2 °C. This alleviates the need for any user calibration. The sensor has low thermal mass so as to ensure a fast response time.

• Weather-Pro Range -30°C~70°C 
• Accuracy ±0.3°C from (0°C~50°C)

The HUMIREL HS1101 Humidity sensor provides:

• Instantaneous desaturation
• Solid polymer structure
• High resistance to chemicals
• Fast response time
• Range 0%~100%
• Accuracy RH ±5%

The Lucas NovaSensor NPP-301 pressure sensor features:

• Ultra high stability
• Silicon fusion bonded
• Wide operating temperature
• -40 to +125°C
• Static accuracy 
• < 0.20% FSO Max
• Range 500hPa~1100hPa
• Accuracy ±2hPa

The wind vane has been specifically designed for the Weather-Pro weather station. It is manufactured from stainless steel and anodized aluminum so as to provide minimum maintenance and maximum reliability. 

• Range 0°~360° 
• Accuracy ±5° 
• Dead band 20° (350°~10°)

The Anemometer is used for the measurement of wind velocity. The Weather-pro anemometer is manufactured from stainless steel and anodized aluminum so as to provide minimum maintenance and maximum reliability.

• Range 0~55 m/s 
• Accuracy ±2%
• Start Speed 0.9 m/s
• Stop Speed 0.6 m/s

The Pyranometer has been designed to provide a wide spectral response and excellent cosine correction.

• Range 0~1500 w/m²
• Accuracy  ±5%

More information on the Weather-Pro Pyranometer