Mengshen Digital Tachometer, 2 in 1 Non-Contact & Contact Speed Meter Rotation Tester - Product Features
- Accuracy:+/- (0.02%) + 2 digit
- Non Contact Measurement Range:2~ 99,999 RPM
- Contact Measurement Range:2~ 20,000 RPM
- Measurement Distance:50mm ~ 600mm
- Battery:9V DC (Included)