Climate measuring instrument testo 440 with CO2 sensor

For reliable assessment of indoor air quality. Complete set for long-term measurement and parallel determination of CO₂ concentration, humidity and indoor air temperature. Consisting of the climate measuring device testo 440, a multifunctional, wireless handle and CO₂ sensor. With absolute pressure compensation, calculation of wet bulb temperature, dew point and absolute humidity. Fully configured, ready for use.

• Wireless handle with Bluetooth^® technology
• Easy, intuitive operation
• Easy storage of measured values by means of a button on the handle
• Large, illuminated graphic LCD with parallel display of 3 measured values
• Measuring instrument with magnetic fixation on metal surfaces
• Internal data storage and USB interface
• Handle can be extended with other probes to measure further parameters
• Automatic probe recognition

Scope of supply: Multifunctional climate measuring instrument testo 440, USB cable, handle with CO₂ probe incl. temperature and humidity sensor, table stand, batteries and calibration protocols for measuring device and sensors, transport case

• Specifications
• CO₂ range:
  CO₂ resolution: 0 … 10000 ppm
  1 ppm
• CO₂ accuracy: ±(50 ppm + 3 % of average)
  (0 … 5000 ppm)
  ±(100 ppm + 5 % of average)
• Humidity range:
  Humidity resolution: 5 … 95 % r.H.
  0.1 % r.H.
• Humidity accuracy: ±3 % r.H. (10 … 35 % r.H.)
  ±2 % r.H. (35 … 65 % r.H.)
  ±3 % r.H. (65 … 90 % r.H.)
• Temperature range:
  Temperature resolution: 0 … 50 °C
  ±0.5 °C
• Temperature accuracy: 0.1 °C
• Dimensions (instrument, W x D x H): 65 x 32 x 154 mm
• Weight (instrument): 250 g
• Power supply (instrument): 3 x AA 1.5 V
• Power supply (handle): 4 x AA 1.5 V