液位過低警報器

Low-Liquid Alarm

To protect valuable biological samples this alarm will sound promptly to alert you when more liquid nitrogen is needed. It is best suited for the infrequently used refrigerators and is recommended for stored product protection. It is equipped for battery operation.
 

   4 在定時定期檢查液位及補充液態氮之外，提供另
       一個主動監視警示的保護功能

   4 可搭配選購的有：XT20, XT21-AI, TXT24,XT34,
       HC20, HC34, HC35, VHC35, LS750,LS3000,
       LS4800 and LS6000.