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> New princo process monitor current alarm, model S930D
New princo process monitor current alarm, model S930D
I don't know what they are but they look expensive. They apparently have two channels, sort of like TV when I was a kid, so if you don't like what's on one channel you can watch the other one a while. They have a couple of holes with screws inside that are ideal for tinkering, and they are graduated from zero to one hundred (0 - 100) Amps? Volts? PSI? Degrees? or ? There are two black "meter set" buttons that are probably...well... used to set some kind of meter. There are also a couple of "relay status" indicator lights, but I'm not sure whether lit or unlit is the desired state for these.
If nothing else, they would make great conversation pieces. Just mount one on your office wall and see how many different answers you can come up with when people ask what they are.
