The RKI Instruments 73-0591RK-ATEX is an intrinsically safe, explosion-proof digital thermometer designed for use in hazardous environments. It features a rugged, waterproof housing, a backlit display for easy reading in low-light conditions, and a wide temperature range of -58 to 392°F (-50 to 200°C). The 73-0591RK-ATEX is also NIST-traceable for accuracy and comes with a one-year warranty.