Westward 3BY11 Analog Dial Tachometer

The Westward 3BY11 Analog Dial Tachometer is a handheld mechanical tachometer that delivers accurate RPM readings from rotating equipment via an analog dial display. It is designed for rotational speed measurement in industrial maintenance, manufacturing facilities, machine shops, and motor testing setups, helping technicians verify motor performance and monitor operating conditions. Identified by part number 3BY11 and reference 282867, this device supports machinery speed verification in rotating industrial equipment and motors and is routinely used by maintenance technicians, machinists, and industrial service engineers for replacement, retrofit, or diagnostics.