Thermometer is always-on and runs for years powered from light in lab or plant. Efficient and cost-saving solar panels make unit environmentally attractive. Monitor ambient temperature or temperatures of liquids, air/gas, and semisolids. View from across the room on a large LCD. Perfect thermometer for measuring temperatures of solutions in tanks, water baths, incubators, and refrigerators. Sensor and cable perform accurately even when under water. It’s ideal for food inspection, petroleum tests, quality control, biomedical studies, R/D analysis, and wastewater tests.