
Joule's Law Educational Equipment (23035 Type I). Customizable Design: Offers customized size, color, and logo printing to meet specific needs. Interactive Teaching: Designed for experimental teaching with interactive features for classrooms. Precise Measurement: Features digital display ammeters and backlight scales for accurate data recording. Efficient Experiment: Each experiment takes less than 20 seconds with quick cooling between tests. Durable Construction: Made with aluminum alloy borders and high-quality plastic components. Easy Operation: Includes solenoid valves and exhaust buttons for convenient liquid level control. Verified Physics Law: Demonstrates Joule's law by proving heat is proportional to resistance and current. Manufacturer Direct: Direct from Beijing Yanshi Zhongfa with OEM/ODM services available.