Manufactured by Testec, the TT-CC 990 is a versatile clamp meter adapter designed for both AC and DC current measurement, with a reading range from 10 mA to 40 A. Featuring a rogowski coil and functioning as both a current loop and current clamp adapter, it provides accurate current conversions. Commonly used in electrical troubleshooting and system monitoring, it is ideal for engineers and technicians needing precision in current analysis.