New DT2234C Digital Laser Rev Counter Meter Non-contact Tachometer Rev Counter
Resolution: 0.1 RPM (rev/min) (2.5~999.9 RPM); 1 RPM (r/min) (above 1000 RPM). Test Range: 2.5~99,999RPM (r/min). Easy and convenient to use. All rights for the final explanation reserved by Carpartsource.