Insulation resistance testing is extremely important as most of electrical maintenance and testing involves evaluating insulation integrity. Factors that cause deterioration to insulation resistance over the years are harsh installation environments, especially those with temperature extremes or chemical contamination. Consequently, the safety and power reliability can also suffer. Therefore, it becomes important to identify this deterioration as quickly as possible to take the necessary corrective measures Thus, this insulation resistance tester is used to measure the leakage current. It can be used as a quality control measure, an installation requirement to help ensure specifications, as a preventive maintenance task, and a troubleshooting tool. Just have a look at its amazing features. Insulation Resistance tester that is used for phase testing and voltage testing. Easily readable 3 ½ Digit Liquid Crystal Display. Bright lid backlight. Data Hold feature to save important measurements. It has an exclusive 3 in 1 auto ranging feature for insulation resistance, phase testing and voltage testing. Comes with a carrying case, test leads and a manual. This Insulation Resistance Tester by HTC has all the features expected in such a device. It is a versatile and dynamic tool that is a must have for those in the industry. So, if you are one of those who is seeking to get this great product, get this tester here at a heavily discounted price right now