Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month
its the first time that i by tachometer and it was very exciting experience for me. i could finally check the speed of my wireless drill speed and my provisional drill turning speed.
i have setup the professional drill to 1000RPM and the meter show me 1007rpm which i am sure that its accurate. i have also measure my wireless drill ( makitta) that should have turn in 1500rpm and i got a read of 1020rpm max!! and i have two of them and they both gave me the same measure. so i guess that my drill is getting old...
i try to measure on a 4 cm wheel and it was not easy. The smallest wheel that I could make a read was 3.5cm smaller then that you need to use some creativity.
they supply some reflector tape with that ( maybe 1 meter) . it could be nice if they would sell it also in separate in DX. i don't know where it could be bought elsewhere. it uses 9v battery!! and it was quite hard hooking it up. That connector is in a bad quality.
the way it works is quite strange - only when you press the "test" button it gives you the read. sometimes you would like to have your fingers free and its quite hard to navigate like that.
Do the job quite nice. Fits the price. I can recommend it.
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