Every Hot Rod should have a tachometer, and if yours didn't come with one you've got a ton of options. With a Benjamin as the budget, we decided to test seven models from Summit Racing to see how ...

The SpeedTalker DN (UI) DeviceNet shaft-speed tachometer converts pulse-train frequencies from a wide range of single-ended or differential, single-channel, or quadrature sensors into rpm units.

The circuit shown in the figure below will have a display reading of “1999” for an input frequency of 33.33Hz (equivalent to 1999 rpm). The 0.0477µF capacitor (C1) should have a ...

Abbott Enterprises has now made a available its band of light Bolt tachometer. This device will let the user determine an engine's exact rpm at a glance Abbott Enterprises has now made a available its ...

The 2022 Nissan Frontier was unveiled last week and on first impressions, it appears to be far superior to the outgoing model. However, there is one oddity that has caught the attention of some social ...

If you are to have any success with a performance car, you need information—the more the better. Much of this information is locked away under the hood, just waiting to be let out. And a good set of ...

If you need a portable, handheld tachometer, take a look at the HT-4100 from Ono Sokki Technology. This completely ergonomic device weighs less than 4 oz, so it slips right into your pocket. Setup is ...

It’s the latest in instrumentation for the well-appointed shop — an acoustically coupled fast Fourier transform tachometer. Sounds expensive, but it’s really just using a smartphone spectrum analyzer ...

Have you tried buying a '68-'70 instrument cluster with the 140-mph speedometer and 8,000-rpm tach recently? More than likely, your wallet hurts just thinking about it. Today's treasured 140/8,000 ...