The Autonics LR5N Rate Meter is one of several process meters that are available from Automation Systems & Controls. This Rate Meter is a self powered unit which has a replaceable lithium battery. The LR5N can display RPM, RPS or frequency. The Rate Meter has a flexible input range of 30-240 vac or non contact, NPN, or PNP. This compact unit W48 x H24 is small in size but is big on features.
These Autonics Rate Meters are ideal low cost solution for measurement of machinery speed or counting using a time base.