Testo 440 dP Air velocity and IAQ measuring instrument is a Precise, honorable measurement of all let breathe velocity and IAQ parameters previously just one measuring instrument: the multifunction measuring instrument features an integrated differential pressure sensor and intuitive operation in addition to thus structured measurement menus. Adjusting heavens conditioning and airing systems, monitoring vibes vibes or completion comfort level measurements thanks to versatile options for combining as soon as high-vibes, digital probes, you are ideally equipped to carry out your measuring task (entertain order probes separately).
Key Features: Testo 440 dP Air velocity and IAQ measuring instrument
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Intuitive: clearly structured measurement menus for volume flow, K-factor, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂
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Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)
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Clear and reliable: large graphic display with parallel display of 3 readings as well as internal data storage and USB port for data export
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Includes a differential pressure sensor: for Pitot tube measurement and monitoring filters
Specifications: Testo 440 dP Air velocity and IAQ measuring instrument
| Temperature - NTC |
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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
|
| Differential pressure (internal sensor) - Piezoresistive |
|
Measuring range
|
-150 to +150 hPa
|
|
Accuracy
|
±0.05 hPa (0 to 1.00 hPa)
±0.2 hPa + 1.5 % of mv
(1.01 to +150 hPa)
|
|
Resolution
|
0.01 hPa
|
| General technical data |
|
Weight
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250 g
|
|
Dimensions
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154 x 65 x 32 mm
|
|
Operating temperature
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-20 to +50 °C
|
|
Product colour
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black/orange
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|
Connectable probes
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1 x digital probe with cable or 1 x Temperature NTC TUC, 1 x digital Bluetooth probe or testo Smart Probe, 1 x differential pressure (internal), 1 x Temperature TC Type K
|
|
Battery type
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3 AA mignon 1.5 V
|
|
Battery life
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12 h (typically vane measurement)
|
|
Interface
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Bluetooth®; USB
|
|
Storage temperature
|
-20 to +50 °C
|
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