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The tachometer is very simple and easy to use. Comes with several adhesive backed reflector strips to place on the rotating part. Repeatability is excellent, Quality will be determined as tool is used again and again, withstanding the use and rigor of day to day activity.
Verified purchase: Yes | Condition: New
It's OK. It's a bit erratic and holds too many values in memory and your forced to scroll thru them. Would not buy for work, but for a home gamer using on non critical tasks it gets the job done.
Verified purchase: Yes | Condition: New
At first use, nothing worked. I changed the battery two more times even though all threebatteries indicated 9 volts on my multimeter. Eventually I saw the laser flicker, then it stayed on but dim, and finally it was on steady and bright. I now suspect that the electrical contacts for the 'TEST' button were not making a good connection. Depressing this button many many times must have cleaned the contacts. I tested the meter on a motor rated at 1720 rpms. With no load the meter gave 1793 rpms. This is about the 1800 rpms that it should be with no load. I tested the meter on a motor rated at 3450 rpms With no load the meter gave 3596 rpms. Again the reading was near the 3600 rpms that it should be. My original purpose for buying this meter was to measure the rpms of my electric lawnmower. I attached some of the reflective tape to the shaft, ran the mower, and the meter gave about 4100 rpms. Without a blade (less load) it would be higher. After taking the measurement, pressing and holding the 'MEM' button gives the highest rpm detected by the meter. Pressing and holding the 'MEM' button a second time gives the lowest rpm detected by the meter. And pressing and holding the 'MEM' button a third time gives the last rpm detected by the meter. I have a lot of faith in the readings from this meter and highly recommend it.Read full review
Verified purchase: Yes | Condition: New
I purchased the tach so that I could calibrate an existing one on my boat after installing a new alternator. The digital tach helped a lot in accomplishing that. The only issue was that it took a while for the digital tach to settle down as it would wander a bit before stabilizing (only thing that kept me from giving 5 stars). Not a big deal only a slight annoyance. Overall, I am pleased with its performance.
Verified purchase: Yes | Condition: New
I use this to confirm the turntable speed on my Edison and Victor record players. It can be a bit persnickety trying to catch 78 or 80 RPM, that's relatively slow, but does very well overall.
Verified purchase: Yes | Condition: New