PRA-1/PRA-2

Photometric RPM Adaptors

PRA-1

PRA-2

Read RPM with the following Sun products: PRA-1: Photometric RPM Adaptor, a small, selfpowered optical RPM meter for almost every revolving objects. It is fully compatible with other equipment but can also read and display RPM itself. PRA-2: Photometric RPM Adaptor, this optical sensor generates signals which can be translated into RPM\'s by equipment provided with an special processing board (ASA-200).