Digital Multimeter Automotive AC/DC Volt Amp Dwell Meter RPM Tester + Tach Clamp

Dwell Angle:0-120.0°,0-90.0°,0-72.0°,0-60.0°,0-45.0°. The ignition frequency of the engine ignition system must be between 10 Hz and 400Hz. Dwell : 0 - 120.0° ±(1.5%of rdg＋8 digits) 3 CYL. Dwell Angle0-120.0°,0-90.0°,0-72.0°,0-60.0°,0-45.0°.