The Single Channel Data Logger, Model VZ-70, is a microcontroller-based digital process indicator with integrated data logging functionality. This compact and reliable instrument features a user-friendly interface with three front-panel keys for configuration. The four-digit red LED display shows real-time process values, while a Micro-SD card slot enables easy data storage and retrieval. The VZ-70 is designed to capture and log process data, making it ideal for monitoring and recording process parameters over time in various industrial applications.