Testo 400 and 440 CO2, temperature, humidity and pressure Bluetooth probe 0632 1551
- The probe is able to simultaneously measure and display CO₂ concentration, relative air humidity and air temperature.
- Dew point and absolute humidity are also calculated based on the measurements.
- Convenient Bluetooth handle, which can also be combined with other Testo probes (the probe can be removed from the handle).
Measuring range for temperature: 0...+50°C
Resolution for temperature: 0.1°C
Temperature accuracy: ±0.5°C
Measuring range for air humidity: 5...95%rM
Accuracy for air humidity in the range 10...35%rM and 65...90%rM: ±3%rM
Accuracy for air humidity in the range 35...65%rM: ±2%rM
Accuracy for air humidity in the rest of the range: ±5%rM
Measuring range for pressure: +700...+1100 hPa
Resolution for pressure: 0.1 hPa
Accuracy for pressure: ±3.0 hPa
CO₂ measurement range: 0...10000ppm
CO₂ measurement accuracy in the range 0...5000ppm: ±(50ppm + 3% of the measured value)
CO₂ measurement accuracy in the range 5001...10000ppm: ±(100ppm + 5% of the measured value)
CO₂ measurement resolution: 1ppm
Operating temperature: -5...+50°C
Storage temperature: -20...+60°C
Bluetooth connection: up to 20 m
Batteries: 4xAA finger batteries (included)
Battery life: 21.5 h
Dimensions: 295×50×40 mm
Probe length: 130 mm
Probe (head) diameter: 30 mm
Weight: 195g
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