The Diagnostic RTD/Milliamp Calibrator Model 311-PLUS by PIE is a precision instrument designed for accurate calibration and troubleshooting of resistance temperature detectors (RTDs and milliamp signals. Equipped with patented RTD wire detection technology, this calibrator ensures reliable identification of wiring faults, enhancing diagnostic efficiency and reducing downtime in industrial environments. Its robust construction and advanced features make it an essential tool for professionals requiring dependable measurement and calibration solutions. This model offers a comprehensive range of functions, including simulation and measurement of RTD sensors and 4-20 mA current loops, providing versatility for various calibration tasks. The user-friendly interface allows for straightforward operation, while the high accuracy and stability guarantee consistent performance under demanding conditions. The 311-PLUS supports a wide variety of RTD types and configurations, making it adaptable to diverse industrial applications. Designed with quality and reliability as priorities, the PIE 311-PLUS calibrator meets rigorous industry standards and is backed by thorough testing and support. Its patented wire detection feature not only simplifies troubleshooting but also helps prevent costly errors, ensuring operational integrity. This calibrator represents a sound investment for maintenance and calibration professionals seeking precision, durability, and enhanced diagnostic capabilities in their instrumentation toolkit.