“Specimens need to be kept below -80 or -196 °C”
The freezer can be monitored by a TT260 Chart recorder temperature range: -110 to -200 °C. The TT260 with 7 days rotation can be equipped with battery back-up and alarm contacts. Available for panel or wall mounting
Alternatively, the Dataloggers: T-TEC 6-3PA or T-TEC 7-3PA (display) with a temperature range of +20 to -200 °C if download to a PC is the preferred way to read and store the results.