• Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, differential pressure, humidity and temperature in ventilation ducts or at ventilation outlets

• Space-saving: simply combine the universal Bluetooth handle with the 100 mm vane or hot wire probe head and the extendable telescope (1.0 m)

• Convenient: wireless probes, internal data storage and USB port for data export

• As multifaceted as your challenges themselves: the testo 440 dP has an integrated differential pressure sensor and can be expanded with a large portfolio of digital probes

• Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, differential pressure, humidity and temperature in ventilation ducts, at ventilation outlets and in work rooms

• Space-saving: combine the universal Bluetooth handle with the humidity/temperature probe head or extendable telescope (1.0 m). Vane probe heads (Ø 16 mm, Ø 100 mm) can simply be plugged onto the telescope

• Convenient: wireless probes, internal data storage and USB port for data export

• As multifaceted as your challenges themselves: the testo 440 dP has an integrated differential pressure sensor and can be expanded with a large portfolio of digital probes

• Intuitive: Structured measurement menu for long-term measurements

• Precise: Laboratory probe with Pt100 sensor for accurate measurement results

• Reliable: Internal data storage and USB port for flexible data export

• Adapted to the challenges that you face: Interchangeable probe coating made of laboratory glass (Duran) for safe use in aggressive media

• Case for the testo 440 or testo 440 dP air velocity and IAQ measuring instrument

• Dimensions: 516 x 135 x 256 mm (W x H x L)

Safely stow away and transport your equipment: the robust combi-case offers storage space for your testo 440 or testo 440 dP air velocity and IAQ measuring instrument and other probes.