The RPS-409A-IS is an intrinsically safe analog ultrasonic sensor. It is a self-contained sensor in a 30mm PVC barrel housing. It is powered by 16-30VDC with reverse polarity protection.
RPS-326 and 326-X
The RPS-326 is a low frequency, sealed
transducer sensor best suited for applications
where harsh or hazardous environments are a
problem. The transducer head is constructed
of 316 grade stainless steel
Ultrasonic Sensor Overview Catalog
Brief information about ultrasonic sensors : RPS-40, RPS-150, RPS-400, RPS-401, RPS-426, RPS-409A, RPS-412A, RPS-450, RPS-4000, M-1000,
SPC-701,
SPC-704