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Testo 440 – Air Velocity And IAQ Measuring Instrument.

Availability:

3 in stock


  • 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 when measuring and less cable clutter in the measuring case (please order probes separately)
  • Clear overview: large graphic display with parallel display of 3 readings
  • Safe and reliable: internal data storage and USB port for data export

33,999.00  48,599.00 

3 in stock

*

Product Description

Use the testo 440 air velocity and IAQ measuring instrument in combination with high-quality probes to measure and store all air velocity and IAQ parameters (please order probes separately). Up to 3 probes can be connected simultaneously: a Bluetooth probe, a wired probe and a temperature probe with type K thermocouple connector. Automatic probe detection and clearly structured measurement menus guarantee simple operation and will make your day-to-day work easier.

Technical data

Temperature - NTC

Measuring range

-40 to +150 °C

Accuracy

±0.4 °C (-40 to -25.1 °C)
±0.4 °C (+75 to +99.9 °C)
±0.5 % of mv (Remaining Range)
±0.3 °C (-25 to +74.9 °C)

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

Applications

Convenience and maximum flexibility for duct and outlet measurements

With our large range of air velocity probes (please order separately), you can carry out simple and convenient measurements even at locations that are difficult to access in ventilation ducts or at air outlets:
you will even find it easy to carry out measurements in particularly large ducts. This is because the extendable telescope on the hot wire and vane probe (Ø 16 mm) with universal handle can be further extended using the telescope extension – enabling you to attain a total length of 2 metres.
Carry out measurements at air/ceiling outlets effortlessly and without using a ladder. Fit your vane probe (Ø 100 mm) with the telescope with 90° angle and, if necessary, with the telescope extension (both can be ordered separately).
Greater freedom thanks to Bluetooth: the air velocity probes with Bluetooth have no inconvenient cable connection to the measuring instrument, and they transmit readings up to a distance of 20 m. Press the button on the probe to operate the measuring instrument – for example, to start and stop a series of measurements (timed mean calculation).

Long-term monitoring of indoor air quality

Poor indoor air quality due to excessive concentrations of CO2 can cause tiredness, lack of concentration and even illness. With its menu for recording readings, the testo 440 air velocity and IAQ measuring instrument is ideal for monitoring the indoor air quality. Enter the measurement time and the measuring cycle – and, for example, track the change in CO2 concentration or humidity and temperature values over the course of the day. Simply choose between probes with Bluetooth or fixed cable for CO2, CO or humidity (please order probes separately).

testo-440-0632-1552-CO2-probe-with-Bluetooth-incl-temperature-and-humidity-sensor-V1-en_master

Turbulence measurement in accordance with EN ISO 7730 / ASHRAE 55

Determine the degree of turbulence and the draught risk in the workplace: draught restricts the comfort level and is the most common cause of complaints about the indoor climate. The turbulence probe (please order separately) measures air velocity and air temperature, and automatically calculates the draught risk and the degree of turbulence in accordance with EN ISO 7730/ASHRAE 55.
For convenient measurements at varying heights, we recommend using our measuring tripod for comfort level measurement (please order separately). This makes it very easy to position turbulence probes in compliance with the standards.

testo-440-0628-0152-Turbulence-probe-fixed-cable-V1-en_master

Downloads

Datasheet : Testo 440 – Air Velocity And IAQ Measuring Instrument.

Instruction Manual : Testo 440 – Air Velocity And IAQ Measuring Instrument.

Delivery Scope

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