Systems Tech Photo Contact Type Digital Tachometer 60-50000 RPM,-890

Power Source: ?Battery Powered
Display Type: 5-Digit, 10-Mm-High Red LED Display
Battery Type: ?4 AA
Type of Product: Digital Tachometer
Surface Speed: 6-5000 m/min
Model No: HTM-890
Used For: Automotive, Industrial Machinery, Manufacturing, Maintenance, Laboratory, Aviation, Marine Applications, and so on
Rotational rate/speed: 60-50000 RPM
Product Type: Photo Contact Type
Additional Details: Easy-to-use RPM, memory recall, low battery indicator