Testo 440 hot-wire air velocity and indoor air quality measuring instrument allows for quick and easy air velocity and air quality measurements. Ideal for measuring the degree of turbulence and detecting mould.
Testo 440 speed and indoor air quality measuring device:
- Accurate and reliable in ducts and air outlets
- Performs turbulence measurement according to EN ISO 7730 / ASHRAE 55 standards
- Available with a wide range of connecting probes: hot wire and paddle probe (Ø 16 mm) for duct measurements; large paddle probes Ø 100 mm for measurements in air/ceiling ventilation systems
- Performs quick air volume calculations: simply configure the cross-sectional dimensions or area of the duct in the measurement menu and view the measurement value immediately
- Easily performs measurements in extra-large channels – a total length of 2 metres can be achieved by connecting the telescope to a hot wire and a Menetlin probe (Ø 16 mm)
- Takes measurements high in the ceiling and without a ladder by attaching a paddle probe (Ø 100 mm) with a retractable telescope and a 90° folding end piece
- Takes measurements in the ventilation grille and checks incoming and outgoing air – using vane probes in combination with testovent measuring hoods and an airflow straightener
- Start, stop and save measurements at the touch of a button
- Attaches to magnetic surfaces with magnets on the back of the device
- Performs long-term monitoring of indoor air quality
TECHNICAL SPECIFICATION:
Temperature – NTC:
Measuring range: -40 to +50 °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 (Type K (NiCr-Ni)):
Measuring range: -200 to +1370 °C
Accuracy: ±0,3 °C
Resolution: 0.1 °C
General parameters
Vidinė atmintis: iki 7500 matavimo protokolų
Battery type: 3 AA mignon 1.5 V
Battery life: 12 h
Storage temperature: -20 to +50 °C
Operating temperature: -20 to +50 °C
DELIVERY SCOPE: Testo 440 air velocity and IAQ measuring instrument, 3 x AA batteries, USB cable and calibration protocol; hot wire probe (Ø 9 mm) with fixed cable (length 1.7 m) including temperature sensor, with telescope (can be extended to 0.85 m) and calibration protocol (0635 1032); basic case for testo 440 and 1 probe
PRODUCT CODE: 0563 4400
