TESTO 440 Delta P Air Flow ComboKit 1 with Bluetooth (0.3 ~ 35 m/s)

Temperature - NTC: -40 ~ +150 °C

Temperature - TC Type K (NiCr-Ni): -200 ~ +1370 °C

Differential pressure (internal sensor) - Piezoresistive: -150 to +150 hPa

Velocity / Volume flow: 0.3 to 35 m/s

Delivery Scope: 

- testo 440 dP air velocity and IAQ measuring instrument including differential pressure sensor, connection hose, 3 x AA batteries, USB cable and calibration protocol (0560 4402)

- Vane probe (Ø 100 mm) with Bluetooth® including temperature sensor (consisting of 100 mm vane probe head, handle adapter and Bluetooth® handle); bracket for testovent measurement funnel; 4 x AA batteries and calibration protocol (0635 9431)

- Hot wire probe head (Ø 9 mm) including temperature and humidity sensor and calibration protocol (0635 1570)

- Extendable telescope (up to 1 m in length) for air velocity probes with a universal handle including 90° angle (0554 0960)

- Combi-case for testo 440 and multiple probes (0516 4401)