Practical Sailor's gear and boat reviews take the guesswork out of your buying decisions.

Volume 30
Number 20
October 15, 2004

Infrared Thermometers

DIY maintenance types will appreciate that these gadgets let you safely monitor engines, electrical components, and anything with varying temperatures.

Though both the Telatemp (left) and the Raytek (right) worked well, we like the former.

Boat owners who do their own maintenance like to get as much help as possible diagnosing problems. One tool we've found helpful in this area is an infrared thermometer. These handy devices allow the user to measure the temperature of just about anything by simply pointing it at the object. You don't actually have to touch the item, which is a nice feature to have when working on hot engines or electrical components.

An IR (infrared) thermometer can be used to find a dead cylinder on an operating engine—it would be cooler than all the others—or to check a pump bearing for overheating, or an HVAC duct for proper outflow…

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