The OMRON ZN-CTX21 Portable Power Monitor is an essential tool for real-time electricity consumption analysis at your worksite. Part of the ZN-CT series, this device functions as a data logger with a supply voltage of 24Vdc. It features an internal memory capable of storing up to 6500 data items and includes an SD card port for extended data storage. Encased in durable ABS housing, the ZN-CTX21 is designed for easy portability and reliable performance, making it ideal for industrial applications where monitoring power usage is critical.