The Megger MFT1721 Multifunction Tester is a reliable and efficient tool for testing and measuring various electrical properties. With its digital features, this tester provides accurate and precise results for calibration purposes. This product, with a calibration validity of 12 months, is ideal for professionals in the field of electrical testing and inspection. The Megger brand is known for its quality and durability, making this multifunction tester a valuable asset for any industrial or business setting.