The Megger DET14C is the most advanced insulation and continuity tester on the market. It features a unique combination of features that make it ideal for testing electrical equipment in a variety of applications. High voltage insulation testing: The DET14C can test insulation resistance up to 1000V, making it ideal for testing high-voltage equipment. Continuity testing: The DET14C can also perform continuity testing, making it a versatile tool for testing electrical circuits. Large display: The DET14C features a large, easy-to-read display that makes it easy to view test results. Rugged construction: The DET14C is built to withstand the rigors of field use, making it a reliable tool for any electrician.