I used this tachometer to find out the RPM of the chuck on my lathe. It worked fine for a couple of weeks and then refused to appear on the display. I changed the battery several times, but now it refuses to show readings. I think this is another Chinese e-waste.
π§ Streamline Your Work with Loos Co PT 1 Professional Hands-Free Device
3 Review
Breathalyzer Lydsto Lydsto HD-JJCSY01
8 Review
Handheld Digital Laser Tachometer Non-Contact RPM Meter Motor Speed Gauge Gun Measuring Range: 2
3 Review
Non-Contact Handheld Digital Tachometer for Precise Measurements
3 Review