Model Number and : This rotation tester, model number Rotation tester, is meticulously crafted in , ensuring high standards of quality and reliability for metalworking and . and Usage: Specifically designed for metalworking enthusiasts, this tool aids in the efficient testing of heating circulation pumps and AC detection, making it an indispensable tool for home and professional use. Type Classification: Equipped to handle multiple functions, this tool serves as an AC detector (TYPE 1), is suitable for circulating pumps (TYPE 2), and includes a handy detection key ring (TYPE 3), making it a versatile addition to any toolkit. Safety and Certification: While this tool does not come with a formal certification, it is constructed with user safety in mind, containing no high-concern chemicals and designed to and reliable for everyday use. Convenient Design: The compact and portable design of this multifunctional tool includes features like a solenoid valve coil detection, which simplifies troubleshooting and maintenance of various systems, enhancing its utility and efficiency. Description/Features: Essential Seasonal Tool: Begin the heating season with confidence using this circulation pump rotation tester. It's crucial for verifying pump operations and detecting blockages after downtime. Multi-Functional: Beyond testing circulation pumps, this device can assess the functionality of oil burner solenoid valves, making it a versatile asset for various heating system checks. Clear Indicators: Equipped with a built-in indicator, the tester displays the magnetic field and rotation direction of most circulation pumps, facilitating quick and effective diagnostics. User-Friendly: The tester features a red and white screw that rotates in alignment with the pump, simplifying the verification of the pump's rotational direction. Compact and Portable: Designed to be small enough to carry on a key-ring, this tester is a must-have tool for any plumber or heating contractor, enabling on-the-go assessments of pump operations. Specifications: Product Name: Rotation Tester & AC Detector for Circulating Pumps Material: plastic Color: Black Package Contents: 1 * Rotation Tester & AC Detector for Circulating Pumps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.