Testo 400 Comfort Kit (0563 0409)
Testo 400 Air Flow Kit (0563 0407)
Testo 400 IAQ KIT (0563 0408)
Testo 440 Indoor Comfort ComboKit with Bluetooth (0563 4408)
Testo 440 dP - Air flow ComboKit 2 with Bluetooth and delta P (0563 4410)
Testo 440 dP - Air flow ComboKit 1 with Bluetooth and delta P (0563 4409)
Testo 400 - Universal Air Flow and IAQ Instrument (0560 0400)
Testo 440 - Airflow ComboKit 2 with Bluetooth (0563 4407)
Testo 440 - Airflow ComboKit 1 with Bluetooth (0563 4406)
Testo 440 - CO2 kit with Bluetooth (0563 4405)
Testo Turbulence probe (digital) - wired