DIGITEN 4 Digital High Visibility Red LED Tachometer RPM Speed Meter Hall Proximity Switch Magnet Sensor NPN Sensor Mounting Holder for Lathe Conveyor Belt Review

Good fitting instructions was easy to assemble. I got lucky with the polarity of the magnet so it worked the first time. Tape the magnet onto the shaft to ensure it doesn't jump at higher speeds.

The seller claims that this tachometer has a detection distance of 10mm, but when I received the part the specs say 2-3mm. The seller called me back and said although he says 2-3mm it will work at 10mm. At the moment I did not refute because I had not tried it at that time, waiting for the arrival of the 12V DC 300mA converter. Got the voltage converter today and went to the store to hopefully see what it recognizes at 10mm. At this point I still don't know how the part is faulty!

Mounting bracket is missing from the package. When I received the replacement the bracket was also missing, to be honest the rating would have been 2 stars because I didn't receive what is shown (2X) but the seller is 1. Responded to messages quickly and quickly replacement sent. 2. They answered truthfully (I think) that their batch was accidentally packaged without a staple. And fix the situation. I haven't been able to use it yet because I have to do braces. But the tests I've been able to…