testo 605-H2 - Compact thermal hygrometer

Order-Nr.  0560 6054

The testo 605-H2 thermal hygrometer is capable of precise measurements of air humidity and air temperature, as well as wet bulb calculations. The testo 605-H2 is ideally suited for duct measurements, due to its slim form factor and ability to be read from multiple angles with a rotatable display.


Product Description

The testo 605-H2 thermal hygrometer is ideal for evaluating ambient comfort and building performance analysis. With its long term, resilient, Testo patented sensor, the testo 605-H2 thermal hygrometer can provide correct air humidity, air temperature, and wet bulb calculations for in-duct or room measurements. The rotating cap will further protect the sensor from dirt and impact, ensuring proper measurements for years.

Delivery Scope

testo 605-H2 compact thermal hygrometer, 3 AAA batteries, attachment clip, and instruction manual

Technical Data

Temperature - NTC

Measuring range

32.0° to 122.0 °F / 0 to +50 °C

-4 to +122 °F / -20 to +50 °C


±0.9 °F / ±0.5 °C


0.1 °F / 0.1 °C

Humidity - Capacitive

Measuring range

5 to 95 %rH


±3 %rH


0.1 %rH

General technical data

Operating temperature

32.0° to 122.0 °F / 0 to +50 °C

Battery type

3 x AAA

Battery life

Approx. 1000 h

Storage temperature

-4.0° to 158.0 °F / -20 to +70 °C


3 oz. (with batteries, without packaging) / 75 g (with batteries, without packaging)