The testo 605-H1 thermohygrometer enables reliable measurement of humidity and air temperature and calculation of the dew point. It has a permanently mounted probe shaft which means it is excellent when it comes to carrying out check measurements in ventilation ducts.

The compact testo&nbsp;605i temperature and humidity measuring instrument with bendable probe head features professional measuring technology in an intelligent format: it can be used in conjunction with a smartphone/tablet and the testo&nbsp;Smart App to reliably measure air temperature and humidity in rooms and ducts.

For refrigeration engineers: The kit contains two testo&nbsp;549i high-pressure gauges, two testo&nbsp;605i thermohygrometers and two testo&nbsp;115i clamp thermometers. Used in conjunction with your smartphone/tablet, the kit is ideal for servicing, troubleshooting and installing air conditioning and refrigeration systems. The testo&nbsp;Smart App makes your work easier and more efficient: over 90 stored refrigerants, automatic calculation of superheating/subcooling, target superheat and cooling/heating power, emailing of measurement data reports as PDF or Excel files.

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Ultimate kit for all-round engineers in the field of heating, air conditioning, refrigeration and ventilation: The kit contains all the testo Smart Probes and is ideal for carrying out functional checks or for plant maintenance, in conjunction with your smartphone/tablet. The testo Smart App enables you to work more easily and efficiently: Automatically calculate numerous parameters such as superheating/subcooling, target superheat, cooling/heating power or differential temperature. Measurement data reports can be emailed directly as a PDF or Excel file.

For air-conditioning engineers: Compact kit containing four measuring instruments for your most important measuring tasks in, on and involving air conditioning systems. The testo&nbsp;Smart App enables you to work more easily and efficiently: Use intuitive measurement menus for volume flow measurement, for automatic calculation of the dew point and wet bulb temperature or for detecting areas susceptible to mould according to the traffic light principle. Measurement data reports can be emailed directly as a PDF or Excel file.

Early identification of mould risk: Used in conjunction with your smartphone/tablet, the testo&nbsp;Smart Probes mould kit is ideal for detecting areas susceptible to mould at an early stage. Use the testo&nbsp;Smart Probes testo&nbsp;605i and testo&nbsp;805i to measure ambient temperature, relative humidity and surface temperature. Thanks to the testo&nbsp;Smart App, you can work more easily and efficiently: Evaluate the results of the mould indication according to the traffic light principle (green, yellow, red), save measurement data as a PDF or Excel file at the touch of a button. Measurement data reports can be emailed directly - these contain photos of the affected areas for better illustration.

This certificate documents the ISO calibration of your measuring instrument/probe. Calibration is carried out at the measuring point 75.3 %RH at +25 °C.

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ISO calibration certificate for humidity - with 1 measuring point

ISO calibration certificate for humidity - with 1 measuring point

General technical data

General technical data