The Testo 104 is a waterproof folding thermometer designed for handy, practical temperature measurements in demanding environments. Its robust metal folding joint and long, stable measurement probe make it ideally suited for core temperature measurement in food safety and industrial applications. The thermometer features IP65 protection, allowing it to be used under all conditions and easily cleaned under running water.

The non-slip rubber-coated surface ensures secure handling even with wet hands or gloves. A large, illuminated display provides easy and error-free viewing of measurement data under poor lighting conditions. The temperature range spans -58 to 527°F, with high accuracy of ±0.9°F in the critical -22 to 212°F range.

Operating on two AAA batteries with a 100-hour battery life, the Testo 104 is built for extended field use. Its folding design makes it compact and portable, fitting easily into a pocket when not in use. The combination of IP65 waterproofing, rugged construction, and precision measurement makes it a reliable companion for quality control and safety inspections.