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Tire gauges

11/01/2012 @ 10:20am

Until the recent advent of digital devices, tire pressure gauges consisted of various analog gauges – either the tried-and-true pencil gauges or the easier-to-read dial devices. Digital gauges, however, have now swept the market.

These tools not only come in a wide variety but also deliver pressure readings instantly, use liquid crystal displays (LCD), and measure down to 1/10 pound per square inch (psi).

But this digital technology comes at a price that's often twice that of traditional gauges. So it raises the question: Are they worth the extra money?

That is best answered by someone who has spent years plying a tire gauge out in the field changing and repairing farm tires. That would be tire expert, Don Kubly of Gempler's.

Kubly's practical advice on tire repair appears in this magazine as well as on the “Top Shops Tips” segments during the Successful Farming Machinery Show on RFD-TV Thursdays at 8 p.m., Fridays at 10 a.m., and Sundays at 9 p.m. (all times Central). Kubly is also Gempler's tire guru. He puts his vast field experience to good use by providing technical product support (800/874-4755) for customers.

Kubly says both pencil and dial gauges provide solid readings as do digital devices if those gauges were made by a reliable manufacturer and they haven't been damaged or abused.

“But digital gauges often provide readings down to.5 psi increments while being accurate down to ±0.3 psi with the professional-grade gauges,” Kubly says.

The most obvious advantage to a digital gauge is that it is easier to read than a pencil device. The reading is instantaneous, and most digital gauges are set to keep the reading on their screens for 10 to 15 seconds. “Some displays are backlit for reading in low- or no-light situations,” Kubly says.

There is a huge span when it comes to features and the cost of digital gauges.

Entry-Level Gauges

At the entry level are $10 to $17 gauges that fit snugly in your hand as well as your pocket. These gauges operate on a standard watch-type battery that often lasts up to five years. Depending on the model you buy, these devices provide readings from 0-100 psi, which makes them ideal to cover most all farm applications.

The Digital Pocket Tire Gauge from Gempler's is accurate to within ±1 psi, and it sells for $17.50 (gemplers.com).

The Accutire MS-4350B is accurate down to ±.5 psi and has a backlit LCD that allows you to record recommended tire pressures for reference. It sells for $13 (accutiregauge.com).

Professional-Level Gauges

The professional-grade gauge shown above offers accuracy down to ±0.5 psi. The shape of this type of gauge, which fits readily in the palm of your hand, provides for a larger LCD. The rubber boot surrounding the gauge helps to protect the LCD (its most vulnerable part). When outfitted with a flexible hose or ridge stem with single or dual chuck, such gauges are ideal for working around the largest machinery and dualed-up vehicles, Kubly says. “But they are more expensive.”

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