Features: The insulation resistance tester has the function of high voltage insulation test, which can accurately measure the insulation of electrical equipment and help users judge the safety condition of equipment. The product is equipped with a digital megohm meter, which can directly measure the insulation resistance value and provide accurate data reference. The instrument supports a number of different measuring ranges, suitable for different insulation resistance value measurement needs, convenient for users to choose the appropriate measuring ranges. The product has the characteristics of fast response, can quickly complete the measurement, improve the work efficiency. The product has built-in data recording function, which can store measurement results, and supports data export to a computer for analysis and through USB and other mean. Electrical engineer: Suitable for electrical engineers, maintenance engineers and other professionals, used for insulation testing and maintenance of power equipment. It is suitable for engineering supervisors to test and evaluate the insulation of buildings and power projects. Specifications: Material: ABS, Electronic Component Function & Ranges: As Picture Shows Voltage: 1000V Voltage: 750V Continuity: YES Data Hold: YES Timing Measurement Function: YES Numerical Comparison Function: YES Data Saving and Reading Functions: YES Beep: YES Backlit: YES Low Power Indicator: YES Automatic Off: YES Battery: 8x1.5V Batteries(NOT Included) Size: Approx. 18x14x6.5cm/7.09x5.51x2.56in Package Includes: 1x Resistance Tester note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.