13
Accessory Liquid Nitrogen Level
Monitor Operation
Intended Use
Provides a constant indication of liquid nitrogen level and
alerts you to low level conditions through audible and visual
alarms. The accessory Liquid Nitrogen Level Monitor can
be wired to a remote alarm system, to alert you to problems
when you are not in your laboratory.
General Usage
Do not use this product for anything other than its intended
usage.
Function
Safeguards your precious samples by informing you when
your vessel needs filling and alerting you to excessive liquid
nitrogen loss conditions.
Installation Procedure
1.
Remove the level monitor and LOCATOR or LOCA-
TOR Plus cover from box.
2.
Remove present cover from your LOCATOR or
LOCATOR Plus and replace with your new level
monitor and cover.
3.
Check the electrical specifications on the power
supply for electrical data and plug into appropriately
grounded receptacle.
Level Monitor Remote Alarm
1.
Disconnect the Liquid Nitrogen Level Monitor from
the power supply. Disconnect power to your alarm
system.
2.
Remove the three screws securing the Liquid Nitro-
gen Level Monitor’s cover. Pull the cover up and
out of the way. (See Figure 1.)
Accessory Liquid Nitrogen
Level Monitor Operation
Note
If the level monitor was purchased as
part of a LOCATOR or LOCATOR Plus
system, skip to step #3. If it is a retrofit
for an existing LOCATOR or LOCA-
TOR Plus, begin with step #1.
Note
Level monitor is shipped mounted di-
rectly to the appropriate LOCATOR or
LOCATOR Plus cover.
Note
The equipment is intended to be oper-
ated with an external power supply
provided by the manufacturer.
Note
The level monitor is designed for use
with Thermo Scientific Liquid Nitrogen
vessels only.