Verify your electrosurgical instruments are free of potentially dangerous defects with Healthmark's Insulation Tester. This handheld, low voltage electrical unit identifies pinholes and bare spots in the electrode's insulation that could lead to tissue burns during procedures. Lightweight and portable, the Insulation Tester is powered by a rechargeable battery. Each unit comes with a ground wire with alligator clip, ring electrode, tri-hole electrode, brush electrode, saddle and case. Easy-to-read LED indicators display alarms and battery charge. Pair the Insulation Tester with optional accessories to test bipolar devices and wires.