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4: Digital display gives exact RPM with on guessing or errors. 0.1 RPM (2.5 ~ 999.9 RPM). 1 RPM (over 1,000 RPM). Testing Range: 2.5 ~ 99,999 RPM (rate / min). Test Range Selection: Automatic. We are committed to finding the best solution through open communication and believe we can resolve any concerns you may have.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.