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SEMIKI measurement solution

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Standard measuring tools Thread check conditioner Profile measuring machine Coating thickness gauge Quality testing machine Magnetic measuring device Altitude measure

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Temperature and humidity meter Substance concentration measuring device Detachable probe thermometer Infrared thermometer, thermal camera Self-recording thermometer

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testo 440 – comfort level measurement (Bluetooth)

Producer: TESTO

SKU: TESTO-0563-4408 Category: Temperature and humidity meter

Intuitive: clearly structured measurement menu supports long-term measurements – Parallel determination of CO₂ concentration, temperature, air humidity and workplace turbulence
Accurate: calculates wet bulb temperature, dew point and absolute humidity – Determines turbulence and draft levels according to EN ISO 7730 / ASHRAE 55
Convenient: with internal memory, wireless probe and USB connection port for data export
Additionally, you can expand the testo 440's measurement capabilities by choosing from a range of compatible digital probes provided by Testo.

Use the testo 440 comfort meter to handle all relevant measurements to assess indoor air quality, determine draft risk and the level of air turbulence in the workplace. This equipment set includes: testo 440 multifunction meter, probe CO₂ Bluetooth^® , turbulence probe and all stored neatly in a suitcase.

testo 440 kit - comfort level measurement (Bluetooth) — testo 440 – comfort level measurement (Bluetooth)

testo 440 – Air velocity and IAQ measuring instrument
Order code. 0560 4401

Intuitive: clearly structured measurement menus for volumetric flow rate, turbulence level, cooling/heating output, mold detection and long-term CO₂ measurement
Wireless: Bluetooth® probe for more convenient measurement (please order probe separately)

CO₂ probe (digital) – with Bluetooth^® Includes temperature and humidity sensors
Order code. 0632 1551

Intuitive: parallel determination of CO₂ concentration, temperature and indoor air humidity
Accurate: calculates wet bulb temperature, dew point and absolute humidity

Turbulence probe (digital) – wired
Order code. 0628 0152

Intuitive: determine turbulence levels and draft risks according to EN ISO 7730 / ASHRAE 55
Accurate: compact probe for measuring air velocity and temperature – with high precision and measurement even at low air velocities

Combination equipment suitcase for testo 440 and multiple probes
Order code. 0516 4401

Fabric suitcase for testo 440 or testo 440 dP
Dimensions: 516 x 135 x 256 mm (W x H x D)

Specifications

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 % measurement value (Remaining measurement 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 % measurement value (Remaining measurement range)

Resolution

0.1 °C

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

General specifications
Weight	250 g
Size	154 x 65 x 32 mm
Operating temperature	-20 to +50 °C
Product color	black/orange
Connectable probe	1x cable digital probe or 1x TUC type NTC temperature probe, 1x digital Bluetooth probe or testo smart probe, 1x TC Type K temperature
Battery type	3 AA migron 1.5V
Battery life	12 o'clock
Connection interface	Bluetooth®; USB
Storage temperatures	-20 to +50 °C

CO₂ probe (digital) – with Bluetooth® including 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 measuring 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 measuring range)

±0.06 %RH/K (0 to +50 °C)

Resolution

0.1 %RH

Please see additional accuracy information for humidity in the user manual.

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

CO₂ Ambient environment
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

CO₂ Ambient environment

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

General specifications
Storage temperatures	-20 to +60 °C
Weight	195 g
Size	295 x 50 x 40 mm
Operating temperature	-5 to +50 °C
Probe shaft length	130 mm
Probe diameter	30mm
Product color	black/orange
Battery type	4x AA batteries
Measure battery life	21.5 hours
Data transmission	Bluetooth®
Bluetooth connection range	20 m

Turbulence probe (digital) – wired (0628 0152)

General specifications
Storage temperatures	-20 to +60 °C
Weight	250 g
Size	400 x 90 x 90 mm
Operating temperature	0 to +50 °C
Cable length	1.4 m
Probe diameter	820 mm
Product color	black/orange
Standard	EN ISO 7730 / ASHRAE 55