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