100~30000RPM Dial for Motorcycle ATV Lawn Mower 2 4 Stroke Engine Spark Plugs Engine Tach Hour Meter

This product can be used in all oline engines with spark plugs.This is simple to use and suitable for two-stroke single-cylinder, four-stroke two-cylinder, and oline engines that ignite once a week;more suitable for: chains, lawn mowers Test speed of oline engine, the range of measurement speed: 100RPM to 30,000RPM.

Due to inductive design, put the meter near the spark plug cable, it will test the data,

Method 1: Keep the meter between the spark plugs 3-5CM and then test.

Method 2: insert the pick-up wire into the hole of the meter and e the metal clip clamped on the spark plug cable.

LCD liquid crystal display/ Low Voltage/Powered by built -in battery/ inductivedesign/sate and reliable.

Hold down the MODE key for a time to chethe historical high speed data.

Timing range: 1 minute to 99999 minutes (MIN).

Speed mode setting: Pre and hold (SET) key for a time, the screen will