The PLT-5000 pocket-laser tachometer uses a class 1 laser as the light source and can be used for both contact and non-contact measuring. For non-contact use, the laser beam provides an effective ...
Does your drill go as fast as the manufacturer says it will? Well, you’d need a tachometer to figure that out. They’re not that expensive to buy, but as [Elite Worm] shows, they’re not that expensive ...
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