The Traceable® Sentry Thermometer from Control Co features a triple display that shows high/low and current temperature. The thermometer can monitor temperatures of experiments even when overnight or over the weekend, and it has a range of -58°F to 158°F or -50°C to 70°C. Resolution is 1, and accuracy is ±1°C. The one-button operation resets the high/low memories.

Control Co
(281) 482-1714; www.control3.com