Testo proudly presents the world’s first portable exhaust gas analyzer for diesel ship engines: the testo 350 MARITIME! The groundbreaking exhaust gas analyzer measures emissions at diesel ship engines in compliance with MARPOL Annex VI and NOx Technical Code 2008.

You can keep a close eye on indoor air quality with the testo 445 climate measuring instrument: the allrounder can measure up to 6 parameters (with the appropriate probe), which can help you make a professional assessment of indoor air quality. The climate measuring instrument therefore supports you in adjusting and checking ventilation and air conditioning systems.

The testo 645 humidity/temperature measuring instrument automatically indicates the measurement parameters of relative humidity, absolute humidity, dew point, degree of humidity, enthalpy and temperature at the touch of a button.

Use the standard humidity and temperature probe (with an appropriate measuring instrument) to assess the indoor air climate and check the ambient conditions.

The standard humidity/temperature probe means you can check the indoor air climate quickly and reliably.

Standard humidity/temperature probe (Ø 21 mm) 

Standard ambient air probe up to +70°C

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Temperature - NTC	Measuring range -20 to +70 °C
	Accuracy ±0.5 °C (Remaining Range) ±0.4 °C (-10 to +50 °C)
	Reaction time 12 s

Humidity - Capacitive	Measuring range 0 to +100 %RH
Humidity - Capacitive	Accuracy long-term stability: ±1 %RH / year ±0.03 %RH/K (k=1) *The sensor accuracy corresponds to the system accuracy. ±2 %RH at +25 °C (+2 to +98 %RH)

Standard humidity/temperature probe (Ø 21 mm)

Standard humidity/temperature probe (Ø 21 mm)

Temperature - NTC

Temperature - NTC

Humidity - Capacitive

Humidity - Capacitive

General technical data

General technical data