Multifunction

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The multi-function instruments combine important features of different Testo instruments, thus providing extensive and precise measurement results for a whole range of measurement parameters.


The different instruments record, for example, the parameter CO2, relative humidity, dew point and ambient temperature in order to evaluate the Indoor Air Quality. In addition to this, pressure, volume, air flow, Lux and many more parameters can be measured.

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Testo - Flow Straightener

Flow Straightener - creates a correction of the swirl into a parallel flow from air conditioning outlets.
£69.00 (ex VAT)

Testo - Flow Straightener set

Funnel set (x2): 200x200 mm / 330x330 mm (0563 4170) plus Testo Flow Straightener (0554 4172)
£199.00 (ex VAT)

Testo 315-3 - CO/CO2 monitor

incl. USB mains unit and cable
£595.00 (ex VAT)

Testo 435-1 - Multi-function Instrument for VAC & IAQ

Battery and calibration protocol included
£329.00 (ex VAT)

Testo 435-2 - Multi-function Instrument for VAC & IAQ

With readings memory, PC software and USB data transfer cable, includes battery and calibration protocol
£399.00 (ex VAT)

Testo 435-3 - Multi-function Instrument for VAC & IAQ

With built-in differential pressure measurement for A/C, ventilation and Indoor Air Quality, battery and calibration protocol included
£499.00 (ex VAT)

Testo 435-4 - Multi-function Instrument for VAC & IAQ

With built-in differential pressure measurement for air conditioning, ventilation and Indoor Air Quality, with data memory, PC software and USB data transfer cable, includes battery and calibration protocol
£599.00 (ex VAT)

Testo 480 - High-end VAC measuring instrument

Including "EasyClimate" PC software, power supply, USB cable and calibration protocol
£846.00 (ex VAT)