None Tach/Hour Meter HM-R035

Digital Back-light Multi-function Tach/Hour meter HM-R035 works on any 2 or 4 stroke gas engine, up to 8 cylinders. It has a powerful timing system and RPM measuring system. Timing System: accumulates total running hours TOT, records partial running time JOB, maintenance timer can be set freely to 0-200-hours SVC. RPM Measuring System: measuring current engine RPM, recording and viewing engine maximum RPM, and setting overspeed warning function. Refresh rate can be set 0.5S or 1S.