Check the listing for details. Dm-1006s Insulation Tester. Condition: Used. Listed at 150.00 USD. The DM-1006S Insulation Tester is a high-quality multimeter designed for testing electrical insulation levels in various applications. With advanced technology and precision measurements, this device provides accurate results for measuring the insulation resistance of electrical systems. It is a reliable tool for professionals in the electrical industry who need to ensure the safety and functionality of their systems. The DM-1006S Insulation Tester is a valuable asset for those looking to maintain and troubleshoot electrical equipment with confidence. * works as intended ( slight indent by the power button as shown in pictures)