The Pen Hard Start Tester, developed by Lituo Testing Instruments Co., Ltd., is a high-precision device designed to evaluate the start-up performance of intermittent-use electrical appliances. As a trusted China manufacturer, supplier, and factory, Lituo Testing Instruments Co., Ltd. ensures that this innovative tester delivers reliable and accurate results, helping manufacturers maintain product quality and safety standards. The Pen Hard Start Tester is ideal for testing motors and compressors in air conditioners, refrigerators, and other household appliances, detecting starting torque and performance issues quickly. With user-friendly operation, durable build, and precise measurement capabilities, this tester is an essential tool for quality control and product development. Choose Lituo Testing Instruments Co., Ltd., your professional partner in China, for superior testing solutions that meet international standards and support your manufacturing success.