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Air velocity and IAQ measuring instrument including differential pressure sensor (testo 440 dP)

Brand
5 out of 5

Intuitive: clearly structured measurement menus for volume flow, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂

Wireless: Bluetooth® probes for extra convenience

Clear overview: large graphic display with parallel display of 3 readings

Safe and reliable: internal data storage and USB port for data export

 

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Description

Air velocity and IAQ measuring instrument including differential pressure sensor (testo 440 dP)

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: the multifunction measuring instrument features intuitive operation with clearly structured measurement menus.

Scope

testo 440 air velocity and IAQ measuring instrument, 3 x AA batteries, USB cable and calibration protocol.

Technical Data

Technical Data
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

Datasheet

testo-440_IN

Instruction Manual

testo-440-Instruction-Manual

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Air velocity and IAQ measuring instrument including differential pressure sensor (testo 440 dP)
Air velocity and IAQ measuring instrument including differential pressure sensor (testo 440 dP)
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