UNI-T UT715 Calibrator is a professional calibration instrument designed for testing and simulating current loops (4–20 mA), voltage signals, and process control instruments used in industrial automation. It provides high-accuracy signal sourcing and measurement, supporting functions such as loop current generation, mA measurement, and HART communication support. The device is commonly used for calibrating transmitters, sensors, PLC inputs, and control systems. Built for field and laboratory use, the UT715 features a clear display, easy operation, and reliable performance, making it ideal for technicians working in instrumentation and process control. In short, it is a versatile and precise loop calibrator for industrial maintenance and calibration tasks.