Testo 440 CO₂ Kit with Bluetooth Data Logging Air Quality Monitor for CO2, Humidity, Temperature, +1370°C Max,
3 °C, Equipment Type: Air Quality Meter, Power Source: Battery, Temperature Measurement Resolution: 0.Testo 440 CO₂ Kit with Bluetooth Data Logging Air Quality Monitor for CO2, Humidity, Temperature, +1370°C Max,, Best Temperature Measurement Accuracy: ±0.1°C, Data Logging: Yes, Battery Type: AA, Battery Life: 12 h, Dimensions: 154 x 65 x 32mm, Height: 154mm, Maximum Operating Temperature: +50°C, Minimum Operating Temperature: -20°C, MPN: 0563 4405.