📈 Highly Efficient REED Instruments R7050 Compact Tachometer: Boost Performance with Precision Monitoring Review

I bought it to work with boat engines. It has good range, accuracy and is easy to use. You will need a contrast stripe on the crank pulley, but white tape is included. A good product to throw in the hold and still work (but doesn't look as pretty).

I've been using the treadmill to calibrate on various console boards for the past few days. This is 100% consistent with using belt length/revolutions/time to measure belt speed in feet per second and then miles per hour. It looks well designed and durable. The battery compartment is a little tight, but it's not critical. Highly recommended.

I was looking for rotating objects and bought five tachometers. This is the most expensive thing I've bought. I like the fast reading and the backlit display. But I'm disappointed that about five percent of the readings are completely wrong. I'm sure I'm wrong because when I plot the topside RPM droop readings, some of the readings are off the smooth curve by hundreds of rpm.