Brochure

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The testo440 probe system:
you'll never want to work any other way again.
CO probe
head
High-precision 100 mm vane
probe head incl. temperature
sensor
16 mm vane probe head
incl. temperature sensor
Hot wire probe head
incl. temperature and
humidity sensor
Telescope for testo440
air velocity probes
100 mm vane probe head
incl. temperature sensor
High-precision
humidity probe
head
Humidity probe
head
testo440
Probe handle
CO
2
probe head incl.
humidity and tem-
perature sensor
Adapter for testo440
air velocity probes
Completely versatile: a universal handle for all air velocity & IAQ probes. This saves space and reduces the weight, enabling
you to perform accurate measurements in any application. With the testo440, you have all air conditioning and ventilation
measurements systematically under control.
A testo440 handle can be connected to a probe head or the adapter for the telescope and
probe heads easily and reliably in just a few seconds.
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