testo 440 CO2 measurement kit (Bluetooth)

Indoor air quality assessment tool kit (testo 440 CO2 measuring kit). testo 440 air velocity measuring device, IAQ measuring device and CO probe₂ with Bluetooth connection^® Integrated temperature and humidity sensors. All can be stored neatly in a suitcase. So you just need to grab your suitcase and get to work right away!

Technical specifications of testo 440 CO2 measurement set

testo 440 – Airspeed and IAQ measuring instrument (0560 4401)

Temperature – NTC
Measuring range	-40 to +150 °C
Accuracy	±0.4 °C (-40 to -25.1 °C) ±0.3 °C (-25 to 74.9 °C) ±0.4 °C (75 to 99.9 °C) ±0.5 % measured value (remaining measuring range)
Resolution	0.1 °C

Temperature – NTC

Measuring range

-40 to +150 °C

Accuracy

±0.4 °C (-40 to -25.1 °C)

±0.3 °C (-25 to 74.9 °C)

±0.4 °C (75 to 99.9 °C)

±0.5 % measured value (remaining measuring range)

Resolution

0.1 °C

Temperature – TC type K
Measuring range	-200 to +1370 °C
Accuracy	±(0.3 °C + 0.3 % measured value)
Resolution	0.1 °C

General specifications
Size	6.1 x 2.6 x 1.3 in. / 154 x 65 x 32 mm
Operating temperature	-20 to +50 °C
Sensor type	1 x Digital Cable probe, 1 x TUC type NTC temperature probe, 1 x digital Bluetooth probe or testo Smart Probe, 1 x TC type K temperature probe
Battery type	3 x AA 1.5 V
Battery life	12 h (typically vane measurement)
Exchange data	USB port
Storage temperature	-20 to +50 °C
Weight	8.8 oz. / 250 g

CO₂ probe (digital) – Bluetooth: includes temperature and humidity sensor (0632 1551)

Temperature – NTC
Measuring range	0 to +50 °C
Accuracy	±0.5 °C
Resolution	0.1 °C

Humidity – Capacitance
Measuring range	5 to 95 %rh
Accuracy	± 3 %rh (10 to 35 %rh) ± 2 %rh (35 to 65 %rh) ± 3 %rh (65 to 90 %rh) ± 5 %rh (Remaining range) ±0.06 %RH/K (0 to +50 °C)
Resolution	0.1 %rh

Humidity – Capacitance

Measuring range

5 to 95 %rh

Accuracy

± 3 %rh (10 to 35 %rh)

± 2 %rh (35 to 65 %rh)

± 3 %rh (65 to 90 %rh)

± 5 %rh (Remaining range)

±0.06 %RH/K (0 to +50 °C)

Resolution

0.1 %rh

Absolute pressure
Measuring range	+700 to +1100 hPa
Accuracy	±3.0 hPa
Resolution	0.1 hPa

CO₂Surroundings
Measuring range	0 to 10,000 ppm
Accuracy	±(50 ppm + 3 % measured values) (0 to 5,000 ppm) ±(100 ppm + 5 % measured value) (5,001 to 10,000 ppm)
Resolution	1 ppm

CO₂Surroundings

Measuring range

0 to 10,000 ppm

Accuracy

±(50 ppm + 3 % measured values) (0 to 5,000 ppm)

±(100 ppm + 5 % measured value) (5,001 to 10,000 ppm)

Resolution

1 ppm