When using multimeter / clamp meter to measure or monitor electromechanical equipment and power system, there may be noisy, high temperature, high voltage and narrow space. With the development of this app, you can use your mobile phone or tablet to connect to the multimeter / clamp meter in a complex environment through Bluetooth, so that you can view / control the multimeter / clamp meter remotely, so that users can avoid being in a complex measurement environment. App can also process measure