The testo 608-H1 thermo-hygrometer measures humidity, temperature and dew point non-stop. The 608-H2 alarm hygrometer with LED alarm functions for accurate signals when limits are exceeded.

• Dew point calculation
• Maximum/minimum display
• Humidity sensor not affected by condensation
• LED alarm if limits are exceeded - for 620-1660 only
• Accuracy ±1,0 digit @ +25 °C

Td = Dew Point

Weight: 168 g