Testo Temperature and Relative Humidity Datalogger provides you with a fast on-site overview of current readings, the last values saved, max and min values and the number of times limits were exceeded.

Features:

• Large display can be read from long distances
• Safe memory for secure data, even if battery dies
• Includes display, alarm indication and 16,000 value memory
• Includes Windows based software and interface
• Long time stability on sensor: >1% a year