LLC liquid sensors used in the telecom equipments to detect water ingress
Recently Apollo has seen large growth in sales for LLC products with customers producing telecoms equipments and wanting to make sure there is not water ingress.
Apollo has supplied about hundreds of thousands of units in the last few months to a company who have developed a lightning proof transduced pod for mobile phone masts, they use LLC level sensor to tell them if there is any moisture getting into the units. The company is a telecom equipments supplier from Greece.
Another area is telecom exchange boxes of which there are many thousands all over every country, they put LLC liquid sensors in the bottom of these to make sure they remain watertight, if the sensor detects moisture, they use the communication lines in the box to sound a remote alarm and the engineer will investigate.