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With the testo 440 humidity kit with Bluetooth®, all IAQ-related parameters in storerooms, workrooms and walk-in refrigerators can be measured and documented wirelessly. The testo 440 air velocity & IAQ measuring instrument recognizes probes automatically, and its structured measurement menus simplify the adjustment of air conditioning and ventilation systems. Up to 3 probes can be connected simultaneously to the measuring instrument: a Bluetooth® probe, a wired probe and a temperature probe with Type K thermocouple connector.
The testo 440 combines the benefits of a compact handheld device with intuitive measurement menus and a comprehensive selection of air velocity & IAQ probes. This
means you have all measuring tasks on air conditioning and ventilation systems reliably under control.
Kit for carrying out measurements in storage, refrigeration and work rooms, in ventilation ducts and also on refrigeration systems and heat pumps. Keep the testo 440 air velocity and IAQ measuring instrument and the humidity/temperature probe with Bluetooth® safely stowed away in the case. So you can get down to work straight away!
testo 440 - Air velocity and IAQ measuring instrument
Humidity/temperature probe (digital) - with Bluetooth®
Ideal for the following applications:
In this Testo 440 Humidity Kit, you will receive the following:
|Sensor - testo 440|
|Temperature - NTC||Temperature - TC Type K (NiCr-Ni)|
|Measuring range||-40 to +150 °C||-200 to +1370 °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 % of mv (Remaining Range)
|±(0.3 °C + 0.3 % of mv)|
|Resolution||0.1 °C||0.1 °C|
|Sensor - Humidity/temperature probe (Ø 12 mm) with Bluetooth®|
|Temperature - NTC||Humidity - Capacitive|
|Measuring range||-20 to +70 °C||0 to 100 %RH|
|Accuracy||±0.5 °C||±2 %RH (5 to 90 %RH)
±0.03 %RH/K (k=1)
|Resolution||0.1 °C||0.1 %RH|
Please see the additional accuracy information for humidity in the instruction manual.
|General technical data|
Humidity/temperature probe (Ø 12 mm)
|Data transmission||Bluetooth®, USB interface||Bluetooth®, wireless range up to 20 m|
|Operating temperature||-20 to +50 °C||-20 to +70 °C|
|Storage temperature||-20 to +50 °C||-20 to +70 °C|
|Probe head diameter||Ø 12 mm|
|Dimensions||154 x 65 x 32 mm||375 x 105 x 46 mm|
|Weight||250 g||165 g|
Buy with 100% confidence knowing your purchase is backed by the full Manufacturer's Warranty. Please register your product with provided warranty card.