Ultracongelador vertically under/above counter Equitec EVF 37091/86. Temperature range of –60ºC to -86ºC. Accuracy of 0.1 ºC. Volume 91 L. Two shelves. Audible and visual alarms, with battery back-up for: maximum and minimum temperatures, failure of probe or power failure. Control with battery support NiCd, and charger, it supports more than 48 hours (72 h optional). Internal Data logger for temperature recording. USB output to download data storage. System settings and alarms protected by a password. Main switch (on/off) protected with a key.