Flir CM57 Flexible Clamp Meter with Bluetooth is a digital clamp meter designed with a flexible coil for convenient and ergonomic current measurements in tight spaces and also sends wireless data to a mobile device with the FLIR Tools Mobile App installed. The Flir CM57 is designed with a 18?Ç¥ flexible clamp for larger measurement targets, can test multiple conductors up to 3000A, has a clear screen built-in for solo use, a dual LED worklight, and is ruggedly built to withstand up to a 3 meter drop. The Flir CM57 can measure 3-phase systems when combined with two additional units and trends can be analyzed in the App.