electro-optical level switch / for liquids / for industrial refrigeration

The function of a Liquid Level Switch is to detect and monitor liquid
level in a vessel.
Applications
Henry Technologies? Liquid Level Switches are designed for use in a variety
of refrigeration and industrial applications. The E-Series Liquid Level
Switches are designed to be used with the Herny Technologies? LI-50 Series
Sight Glass. The Sight Glasses and Liquid Level Switches can be installed
on Liquid Receivers, Suction Line Accumulators, compressor crankcases, or
a variety of other applications, to detect and monitor fluid levels.
Henry Technologies? Liquid Level Switches do not come in contact with the
fluid being monitored. However, the LI-50 Series Sight Glasses are suitable
for use with ammonia, HFC and HCFC refrigerants and their associated oils,
as well as other industrial fluids non-corrosive to steel and glass.
Main Features
Patented optical sensor technology*
Installed on existing Sight Glasses
1/2 conduit connection for wiring
High and Low Voltage models
Serviceable without refrigerant loss
Replacement parts available