Function features * Portable design, small size, light weight, and easy to carry , so that one person can operate. * High brightness laser transmitter can realize fault location. * 3 mega-pixel high-definition cameracan easily focus detection point of failure and take photos of tower identification and faulty equipment. * Convert the abnormal ultrasonic signalsdetected by the instrument to audible sine signal and intuitive waveform, from which inspection personnel can clearly identify the discharge intensity. * Embedded GPS receiver automatically stores the coordinate data and provides GPS navigation, which convenient for query and save detection path. * With the function of testing temperature and humidity to test environmental temperature and humidity in real time. * With data storage capability to realize data playback. * The display is color touchscreen which is convenient for detection personnel to test and use. * High sensitivity and directivity can accurately locate the line fault. * Light weight, easy to carry, easy to operate make the test be carried out in a vehicle with a speed of 30km / h. * Ultrasonic test can be applied to a noisy environment, which can not be influenced by surrounding sound. * No-contact test whose effective testing distance is up to 30 meters makes test safe and reliable. * Live test does not affect the power grid’s normal operation. * The use of “HC-ADMIN ” patrol background software can easily conduct data management and evaluation.