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testo 440 – Air velocity and IAQ measuring instrument
Order-Nr. 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 % of mv (Remaining Range)
Resolution 0.1 °C Temperature – TC Type K (NiCr-Ni) Measuring range -200 to +1370 °C Accuracy ±(0.3 °C + 0.3 % of mv) Resolution 0.1 °C General technical data Weight 250 g 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 -
Hot wire probe (digital) – including temperature sensor, wired
Order-Nr. 0635 1032
Temperature – NTC Measuring range -20 to +70 °C Accuracy ±0.5 °C Resolution 0.1 °C Absolute Pressure Measuring range +700 to +1100 hPa Accuracy ±3.0 hPa Resolution 0.1 hPa Velocity – Hot wire Measuring range 0 to 30 m/s Accuracy ±(0.03 m/s + 4 % of mv) (0 to 20 m/s)
±(0.5 m/s + 5 % of mv)
(20.01 to 30 m/s)
Resolution 0.01 m/s General technical data Storage temperature -20 to +70 °C Weight 90 g Dimensions 315 x 12 x 12 mm Operating temperature -20 to +70 °C Cable length 1.7 m Length telescope 850 mm Probe head diameter 9 mm Diameter telescope 12 mm Product colour Black; silver Diameter probe shaft 12 mm
Testo 440 Hot Wire Anemometer
Kit for carrying out measurements in ventilation ducts: the testo 440 air velocity and IAQ measuring instrument and the hot wire probe (Ø 9 mm) including temperature sensor are all safely stowed away in the case. So you can get down to work straight away!
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