GM8905 Digital Laser Tachometer Non-Contact RPM Tach Meter Motor Speed Tester UK

Model: GM8905. ± (0.1% n + 5d) rpm,(2.5-999.9rpm). Adopt the latest microprocessor technology and laser technology. ± (1% n + 5d) rpm,(1000 ~ 99999rpm). Laser power: CLASSII2-5mW. Range: 2.5-99999rpm.

eBay