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Testo 440 Air Velocity and IAQ Tester

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05604401
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Testo 440 Air Velocity and IAQ Tester

The Testo 440 Air Velocity and IAQ Tester is a versatile and adaptable tester designed for use with Testo's probes including Testo Bluetooth Smart Probes/ Data Loggers. When used with these probes, the Testo 440 Air Velocity and IAQ Tester is able to measure and monitor a range of air quality parameters including:

  • Air velocity
  • Volume flow
  • Degree of turbulence
  • Cooling/ heating output
  • CO levels
  • CO levels
  • Air temperature
  • Humidity

The Testo 440 Air Velocity and IAQ Tester can also detect mould. Via various combinations of probes, the Testo 440 Air Velocity and IAQ Tester can be used to measure ducts, air/ ceiling outlets, fume cupboards, air conditioning and ventilation systems. Please see the following video for a brief introduction to the Testo 440 Air Velocity and IAQ Tester. 

Intuitive air velocity and IAQ: the testo 440 | Be sure. Testo

Up to three probes, a Bluetooth probe, wired probe and type-K temperature probe, can be connected to the Testo 440 Air Velocity and IAQ Tester simultaneously. Each probe is automatically recognised by the Test 440, removing the need to adjust parameters each time one is connected. Furthermore, when using Testo Bluetooth Smart Probes, the user can commence and halt measurements by pressing the button on the handle, allowing him/her to conduct tests at a distance from the Testo 440 Air Velocity and IAQ Tester. It is possible to attach the Testo 440 Air Velocity and IAQ Tester to a metal surface using its magnets, thereby enabling this remote method of measuring.

This instrument also includes an intuitive interface with clearly structured measurement menus designed to guide the user through each test, as well as long-term measurements such as CO and CO monitoring. The user needs only enter the measurement period and intervals when programming the Testo 440 Air Velocity and IAQ Tester to conduct unsupervised long-term monitoring. Additionally, the volume flow of a duct is automatically calculated once the dimensions and cross-section of the duct have been entered.

This multifunctional air quality tester is ideal for monitoring air quality and performing comfort level measurements. Its ability to accommodate wireless Bluetooth® probes allows the Testo 440 Air Velocity and IAQ Tester to carry out measurements without excessive cable clutter. Furthermore, the Testo 440 Air Velocity and IAQ Tester’s downtime is reduced as only the measurement probes need to be sent for calibration, allowing the Testo 440 Air Velocity and IAQ Tester to remain in continuous use.

Results are indicated on the Testo 440 Air Velocity and IAQ Tester’s large graphic display. Just as the user is able to attach three probes to the Testo 440, he/she is able to view three measurements in parallel via the display.

Up to 7500 measurement protocols can be saved to the Testo 440 Air Velocity and IAQ Tester’s internal memory; these can be exported to a PC via a USB connection for analysis in a CSV file. Alternatively, data can be sent to print via a Testo Bluetooth/ IRDA printer, allowing the user to produce reports on site.

The Testo 440 Air Velocity and IAQ Tester is an adaptable, accurate and affordable indoor air quality and air velocity tester.

Testo 440 Air Velocity and IAQ Tester Key Features

  • Versatile and adaptable tester designed for use with the Testo Bluetooth Smart Probes/ Data Logger
  • Use with various probes to measure a variety of air quality parameters
  • Air velocity
  • Volume flow
  • Degree of turbulence
  • Cooling/ heating output
  • CO levels
  • CO levels
  • Air temperature
  • Humidity
  • Detect mould
  • Measure ducts, air/ ceiling outlets, fume cupboards, air conditioning and ventilation systems
  • Up to three probes can be attached: 1x Bluetooth probe, 1x wired probe, 1x type-K temperature probe
  • Automatic recognition of the connected probe: no need to adjust parameters each time a probe is connected
  • Measurements can be stopped and started by pressing the button on the Bluetooth probe
  • Magnets for attaching the Testo 440 to magnetic surfaces
  • Intuitive interface with clearly structured measurement menus
  • Long term monitoring: enter the measurement period and intervals
  • Automatic calculation of volume flow: enter the dimensions and geometry of the duct’s cross-section
  • Ideal for monitoring air quality and performing comfort level measurements
  • Perform measurements without cable clutter using wireless probes
  • Only the probes need to be sent for calibration maximising the Testo 440’s uptime
  • Large graphic display
  • View up to three measurements in parallel
  • Save up to 7500 measurement protocols to the internal memory
  • Export data to a PC via a USB connection
  • Process data on a PC in a CSV file
  • Print data on-site using a Testo Bluetooth/ IRDA Printer
  • An adaptable, accurate and affordable indoor air quality and air velocity tester

Measurement Capabilities When Used with Testo Probes

Please see the following video for a brief introduction to the Testo probes that are compatible with Testo 440 Air Velocity and IAQ Tester.   

The Testo probe system for maximum measurement convenience | Be sure. Testo

  • Hot wire and vane probes (Ø16mm) for measuring ducts
  • Hot wire and vane probes with universal handles can be extended up to 2m using the telescopic extension thereby enabling measurement of large ducts
  • Large vane probes (Ø100mm) for measuring air/ ceiling outlets
  • Ø100mm vane probes can be fitted with an extendable telescope with a 90° angle to measure air/ ceiling outlets without using a ladder
  • Test the incoming/ outgoing air at plate outlets, ventilation grilles and swirl outlets by using the vane probes with measurement funnels and flow straighteners
  • Use with a turbulence probe to measure air velocity to a high accuracy
  • Automatically calculates draught risk and degree of turbulence in accordance with EN ISO 7730/ ASHRAE 55
  • Fume cupboard probe for measuring air velocity in fume cupboards
  • Measure laminar flow measurements in cleanrooms using the high-precision vane probe (Ø 100mm) with a low start-up speed 0.1m/s
  • Measure the humidity of cleanrooms using a high-precision temperature/ humidity probe

Measuring Volume Flow in Ducts

Volume flow measurement in ducts with the testo 440 | Be sure. Testo

Measuring Volume Flow at Outlets

Volume flow measurement at outlets with the testo 440 | Be sure. Testo

Measuring Indoor Air Quality and Comfort Levels 

Measuring indoor air quality and comfort level using the testo 440 | Be sure. Testo

What’s Included?

  • Testo 440 Air Velocity and IAQ Tester
  • 3x AA Batteries
  • USB Cable
  • Calibration Protocol

Testo 440 Air Velocity and IAQ Tester Technical Specifications 

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
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 AA mignon 1.5 V
Battery life 12 h (typically vane measurement)
Interface Bluetooth®; USB
Storage temperature -20 to +50 °C
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Additional Information
SKU 05604401
Manufacturer Part Code 0560 4401
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