Tachometer, hour, and head temperature meter.

Tach, Hour, and Cylinder Head Temperature all in one Meter! This LED Digital Multifunction has a powerful Temp system, RPM measuring system,timing system, as well as some other unique features:Temp Measuring System Including: measuring current temperature, MAX Temp and setting - over temperature warning function, temperature unit display can be set by user.RPM Measuring System Including: measuring current engine RPM, recording and viewing engine  MAX RPM, and setting overspeed warning function, RPM refresh rate 0.5S ,etc. Timing System Including: accumulating total running hours TOT, recording partial running time JOB, maintenance timer can be set freely to 0-1000 hours SVC, etc.Water Resistant. Please take care not to let any part of the sensor touch the cooling fins when installing the sensor.