I am looking for a source of 55 gallon drum level alarms that emit an audible
and visual alarm when feed drums run empty.  Preferable would be something
that has the electronics mounted on the suction tube so it is a single unit.
Better still would be something that is battery operated so it can't be
defeated by unplugging the power.

McMaster-Carr, Grainger, Serfilco, HBS, Cole-Parmer or Lab Safety Supply do
not have what I'm talking about.

Peter Blokhuis
[log in to unmask]
313-525-1203

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