Posted 2/18/2012 06:55 (#2235873 - in reply to #2235849) Subject: I think you might be talking about
West Salem, Illinois
Bin Master http://binmaster.com/
It has the sonar type and also a cable system that measures a specific point. Worked at an elevator that had the cable system, worked really well, used two on the 105' peak and side wall. Saved a lot of steps! One problem is they have to be tied to a computer.
Grain bin levalert
