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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  • 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)

    Resolution0.1 °C
    Temperature – TC Type K (NiCr-Ni)
    Measuring range-200 to +1370 °C
    Accuracy±(0.3 °C + 0.3 % of mv)
    Resolution0.1 °C
    General technical data
    Weight250 g
    Dimensions154 x 65 x 32 mm
    Operating temperature-20 to +50 °C
    Connectable probes1 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 colourblack/orange
    Battery type3 AA mignon 1.5 V
    Battery life12 h (typically vane measurement)
    InterfaceBluetooth®; 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
    Resolution0.1 °C
    Absolute Pressure
    Measuring range+700 to +1100 hPa
    Accuracy±3.0 hPa
    Resolution0.1 hPa
    Velocity – Hot wire
    Measuring range0 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)

    Resolution0.01 m/s
    General technical data
    Storage temperature-20 to +70 °C
    Weight90 g
    Dimensions315 x 12 x 12 mm
    Operating temperature-20 to +70 °C
    Cable length1.7 m
    Length telescope850 mm
    Probe head diameter9 mm
    Diameter telescope12 mm
    Product colourBlack; silver
    Diameter probe shaft12 mm
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