TCA-3 Temperature Monitoring System, model P0625-1630 is manufactured by Eppendorf AG. This product is an independent temperature monitoring system for those who require complete 24/7 reliable sample protection. This system consists of a certified RTD thermo-probe with pod measuring 6.99 cm W x 12.55 cm D x 3.24 cm H (2.75 in W x 4.94 in D x 1.28 in H) and communicates directly through any standard Ethernet connection without the need for a computer. The TCA-3 system is a truly independent temperature monitoring platform for your Ultra-Low Temperature freezer,combines a chart recorder, auto-dialer, alarm system and power monitor into one small pod. You can generate reports and review alarms within minutes.