AC 80-260V 100A Electric Monitoring And Communication Module,TTL Port Power Energy Voltmeter, with CT and USB Cable This is an electric monitoring test module with a current transformer and USB adapter. The module can be used to test power, energy, voltage as well as current, and then display on a PC or other terminals. Designed with one for key reset button, you can reset energy data by simply pressing one button. Moreover, it can store data when power off, and store the accumulated energy data before power off, so it is very convenient to use it. It can be widely used with power distribution box, distribution cabinet, voltage regulators, teaching aids and household small distribution box. Features: AC 80-260V voltage test range, 80-260V working voltage, maximum current can reach to 100A Electrical parameter measurement function including voltage, current, active power and energy measurement Designed to test high power equipment and you can observe the accumulative process intuitively for the low-power(within 100W)load test Equipped with TTL serial data communication interface, you can read and set the relevant parameters via the serial port The for key on the panel can be used to reset energy, convenient to users Specifications: Working Voltage: 80~260VAC Test Voltage: 80~260VAC Rated Power: 100A/22000W Working Frequency: 45-65Hz Measurement Accuracy: 1.0 Board Size: 7.332.3cm / 2.871.180.9" If you need software, please use this link to download it by yourself, you can also contact our service staff or leave us a message, we will send it to you. Package Includes: 1Multimeter Module 1USB Adapter 1Current Transformer