Testo 440 - Air velocity and IAQ measuring instrument

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Product Description

Intuitive: Clearly structured measurement menus for volume flow, degree of turbulence, heating/cooling output, mold detection, and long-term measurement, such as CO2 (With add on probes not included)
Wireless: Optional Bluetooth probes for extra convenience when measuring, and less cable clutter in your instrument's case (probes sold separately)
Clear Overview: Large graphic display with parallel display of 3 readings
Reliable: Internal memory for data storage and USB port for data export

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument the testo 440. This multifunction measuring instrument is intuitive and easy to use, thanks to its clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality, and carrying out comfort level measurements are all possible without the hassle of juggling different devices and tools. Enjoy the versatility of using your choice of high quality digital probes with just one measuring instrument.

Temperature - NTC
Measuring range	-40° to 302 °F / -40 to +150 °C
Accuracy	±0.7 °F (-40° to -13.2 °F) / ±0.4 °C (-40 to -25.1 °C) ±0.5 °F (-13° to 166.8 °F) / ±0.3 °C (-25 to +74.9 °C) ±0.7 °F (167° to 211.8 °F) / ±0.4 °C (+75 to +99.9 °C) ±0.5 % of mv (Remaining Range)
Resolution	0.1 °F / 0.1 °C

Temperature - NTC

Measuring range

-40° to 302 °F / -40 to +150 °C

Accuracy

±0.7 °F (-40° to -13.2 °F) / ±0.4 °C (-40 to -25.1 °C)

±0.5 °F (-13° to 166.8 °F) / ±0.3 °C (-25 to +74.9 °C)

±0.7 °F (167° to 211.8 °F) / ±0.4 °C (+75 to +99.9 °C)

±0.5 % of mv (Remaining Range)

Resolution

0.1 °F / 0.1 °C

Temperature - Type K TC
Measuring range	-328.0° to 2498.0 °F / -200 to +1370 °C
Accuracy	±(0.5 °F + 0.3 % of mv) / ±(0.3 °C + 0.3 % of mv)
Resolution	0.1 °F / 0.1 °C

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General technical data
Weight	8.8 oz. / 250 g
Dimensions	6.1 x 2.6 x 1.3 in. / 154 x 65 x 32 mm
Operating temperature	-4.0° to 122.0 °F / -20 to +50 °C
Product colour	black/orange
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
Battery type	3 x AA 1.5 V
Battery life	12 h (typically vane measurement)