The Minilog is a microprocessor controlled data logger that stores data in non volatile memory. The Minilog is powered with a lithium cell which lasts up to 5 years or 1000 deployments.
Data is read from the logger by a personal computer interface using infrared light.
The Sample Period ranges from 1 second to 6 hours giving a deployment time from 2 hours to 5 years. The protruding stainless steel probe has a 30 second time constant. TX version has non-replaceable battery. 1 second to 6 hours. TX version 23 g in air,10 g in water.