HEAT INSULATION A lightweight and compact insulation and continuity tester from the manufacturer, Kyoritsu. Housed in a self enclosing case. The 3007A benefits from a backlit display and Trac-loc mode to conservce battery life on insulation and continuity tests. Features and specifications Insulation measurements Measuring range - 20M© / 200M© / 2000M©  Output voltage on open circuit - Rated test voltage+ 20% , -0%  Nominal current - 1mA DC min Output short circuit current - 1.5mA DC approx. Accuracy - ± 1.5% rdg± 5dgt ( 20M© / 200M© , ± 10% rdg± 3dgt ( 2000M© )  Continuity Measurements Measuring range - 20© / 200© / 2000©  Output voltage on open circuit - 7~ 12V DC Measuring current - 200mA DC min. Accuracy - ± 1.5% rdg± 5dgt ( 20© ) , ± 1.5% rdg± 3dgt ( 200© / 2000© )