Compact A2108 Tachometer, Best Accuracy ±0.5 % Contact, Optical LED 60000rpm

Tachometer probe for use with Multimeter.

Non-contact rotational speed measurement via any suitable multimeter
Up to 1m optical range
Two speed ranges for improved resolution
Analogue output of 6V for 6000 or 60000rpm, via 4mm plugs
Green LED 'on target' indicator
Auto power-off to prolong battery life

Read the instruction leaflet carefully prior to use. The safety requirements, for Class II lasers, are detailed in BS EN 60 825:1992 which replaces BS17192:1989.