

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!
Temperature - NTC | Measuring range -40 to +150 °C |
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Accuracy ±0,4 °C (+75 to +99,9 °C) ±0,3 °C (-25 to +74,9 °C) ±0,5 % of mv (Remaining Range) ±0,4 °C (-40 to -25,1 °C) | |
Resolution 0,1 °C | |
Temperature - TC Type K (NiCr-Ni) | Measuring range -200 to +1370 °C |
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Accuracy ±(0,3 °C + 0,3 % of mv) | |
Resolution 0,1 °C | |
General technical data | Weight 250 g |
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Dimensions 154 x 65 x 32 mm | |
Operating temperature -20 to +50 °C | |
Connectable probes 1 x digital probe with cable or 1 x Temperature NTC TUC, 1 x digital Bluetooth probe or testo Smart Probe, 1 x Temperature TC Type K | |
Product colour black/orange | |
Battery type 3 AA mignon 1.5 V | |
Battery life 12 h (typically vane measurement) | |
Interface Bluetooth®; USB | |
Storage temperature -20 to +50 °C | |
Temperature - NTC | Measuring range -20 to +70 °C |
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Accuracy ±0,5 °C | |
Resolution 0,1 °C | |
Humidity - Capacitive | Measuring range 0 to 100 %RH |
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Accuracy long-term stability: ±1 %RH / year ±0,03 %RH/K (k=1) ±2 %RH (5 to 90 %RH) | |
Resolution 0,1 %RH | |
General technical data | Storage temperature -20 to +60 °C |
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Weight 165 g | |
Dimensions 290 x 50 x 40 mm | |
Operating temperature -5 to +50 °C | |
Diameter probe shaft 12 mm | |
Length probe shaft 140 mm | |
Product colour black/orange | |
Battery type 4 x type AA batteries | |
Battery life 140 h | |
Data transfer Bluetooth® | |