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Reviewed in the United States on June 9, 2024
Had to read instruction to figure it about after that worked great
HD
Reviewed in the United States on June 23, 2024
Works great, I also purchased the manual operated contact model, which also works very well. Quite handy to have around the shop!
Ben
Reviewed in the United Kingdom on March 31, 2023
I bought this to calibrate a treadmill but it seems to not work at all, the reading has never increased above 0 with any attachment at any RPM.
Hugh Jamieson
Reviewed in the United States on February 3, 2023
The instructions do not tell you to use the small wheel for ft/min mode. Otherwise it is great!
ds650heavy
Reviewed in the United States on October 22, 2023
This unit is fairly accurate, although not intuitive, especially when it comes to determining which wheel is what. The display lets you select between several wheel sizes, one of which does not come with the kit. The power doesn't stay on long, which saves battery, but is a pain because it doesn't hold your mode when it powers itself off. Maybe there's a setting, but I have yet to find it.
Donny Hockett
Reviewed in the United States on October 28, 2022
We have irrigation gear heads running our wells and this is absolutely perfect. Reads immediately and is incredibly accurate.
Tigglebitties
Reviewed in the United States on February 9, 2020
Right out of the box I tried to test it on my cordless drill. Used the shiny tape and everything, it either wouldn't read at all, or would say my drill was running at 87,000 rpm when it was on low speed. I thought maybe light was interfering , but I went into a totally dark room and got the same- drill was either reading at 90000 or 55000 or 0 or about 1 of every ten tries, it would read correctly at 400 rpm. No worky worky, sending back. Bought this to test my CNC spindle speed, and it won't work at all.
Paul Nunes
Reviewed in the United States on August 12, 2019
The 6" wheel that came with the unit is not a true 6 inches. It is approximately 6 1/8 inches. That throws the measurement off approximately 15 to 20FPM when I am attempting to read 600FPM. If I put a true 6inch wheel on the unit it will read correctly. You need to send the correct wheel with the unit.
Dalmok
Reviewed in the United States on May 9, 2018
A newly-installed (electronic pulse driven) tachometer proved to be wildly inaccurate. This product allowed me easily to calibrate it. (1) Set the engine to a comfortable RPM above idle. (2) Check actual RPM at the crankshaft pulley. (3) Adjust the tach to match. (4) Repeat to confirm settings.
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