Product Description
Cryo-Sentry Low-Level Alarms provide protection for valuable materials which are stored in infrequently used LN2 refrigerators.
Features
- Audible and visible alarms indicate need for replenishment of LN2 at approximately 25% of capacity level,
 - Remote alarm contacts permit connection to in-house alarm systems, The remote alert circuit is activated immediately once a Low Battery, Low LN2 or Sensor Fault is detected.
 - The remote alert will remain active even if the battery power is depleted,
 - Audible alarm mute switch,
 - Visible alarm continues until LN2 is replenished,
 - Safe, low voltage operation from or 4 AA size batteries or 115V wall transformer. Duration of battery-powered operation can vary from six months to one year depending on the usage. An audible and visual alert will be activated once battery power is low.
 
Specifications
| 
 Compatible Units  | 
 P/N  | 
| 
 HC20, HC34  | 
 R034-8C15  | 
| 
 HC35  | 
 R037-8C15  | 
| 
 VHC35  | 
 R063-8C30  | 
| 
 LS750  | 
 R036-8C30  | 
| 
 LS3000  | 
 RS30-8C40  | 
| 
 LS4800  | 
 R05K-8C26  | 
| 
 LS6000  | 
 RS60-8C26  | 
| 
 XT21, XT21-AI, TXT24  | 
 R021-8C15  | 
| 
 XT20, XT34  | 
 R033-8C15  | 
Indications
| Green light flashing every 30 seconds. | Liquid level OK | 
| Yellow light flashing once per second. | Checking Level | 
| Red light flashing once per second with matching audible beep. | Low Battery | 
| Red light flashing twice per second with matching audible beep. | Liquid level low | 
| Red light flashing three times per second with matching audible beep. | Open Sensor | 
Compatibility
| 
 P/N  | 
 Compatibility  | 
 Also Known As  | 
| 
 R034-8C15  | 
 HC34  | 
 Jencons 238-063  | 
| 
 R037-8C15  | 
 HC35  | 
 Jencons 238-065  | 
| 
 R036-8C30  | 
 VHC35, LS750  | 
 Jencons 238-066  | 
| 
 R033-8C15  | 
 XT20, XT34  | 
 Jencons 238-062  | 
| 
 R030-8C40  | 
 LS3000  | 
 Jencons 238-298  | 
| 
 R05K-8C26  | 
 LS4800  | 
 Jencons 238-056  | 
| 
 RS60-8C26  | 
 LS6000  | 
 Jencons 238-106  | 
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