Testo K. K.® Hood Type Multi-Environment Measuring Instrument Wind Speed, Temperature, Air Flow, Pressure, Humidity testo420　563.42 563.42

Measurement range:
Temperature: -20 to +60℃
Humidity: 0 - 100%RH
Wind speed: 0 - 40m/s
Air volume: 40 - 4000m3/h
Pressure: 700 - 1100hPa
Differential pressure: 0 - 120Pa
Accuracy:
Temperature: When +22℃/±0.5℃(0 to +60℃), ±0.8℃ (-20 - 0℃)
Humidity: When +22℃/± (1.8%rh + 3% of measured value), When +25℃/5 - 80%rh
Air volume: When +22℃/± (12m3/h+3% of measured value), When +22℃/1013hPa
Pressure: When +22℃/±5hPa
Differential pressure: When +22℃/± (0.05Pa + 2% of measured value)
Resolution:
Temperature: 0.1℃
Humidity: 0.1%rh
Wind speed: 0.01m/s
Air volume: 1m3/h
Pressure: 0.1hPa, 0.01kPa
Differential pressure (Pa): 0.001, 0.00001hPa, 0.0001mmH2O
Measurement interval: 1 time/second
Operation temperature: -5 to +60℃
Battery: Single dry cell x 4 pieces
Display size: 3.5 inches
Incorporated memory: 2GB
Outer dimensions (Width x Depth x Height mm): Body/150 x 85 x 35, Food/610 x 610 x 970
Mass: 2.9kg
Accessories: 610 x 610mm Food, Strut x 5, USB cable, Carrying case, AA dry cell x 4 pieces, Shipment inspection certificate