1. Precision Current Simulator Generate accurate 4 20mA or 3 21mA signals for calibrating and testing industrial instruments. 0.01 display accuracy and an encoder knob for precise adjustments. Compatible with 2, 3, and 4 wire systems, delivering reliable performance across diverse applications. 2. Output Settings Coarse and fine adjustment modes with adjustable turn count for precise control. Choose between 4 20mA for equipment control or 3 21mA for signal debugging. Display options show actual current, percentage values, or frequency readings for clear monitoring. 3. Advanced Calibration Features Linear output calibration with automatic storage of output values. Programmable automatic curve output with 1 9 segment cycles to enhance testing. Quickly adjust 2 9 points using the knob to access specific currents, streamlining workflow and efficiency. 4. Robust Design and Specifications ABS housing in gray, measuring 79.5 x 42.2 x 24 mm. Operates on a 15V 30V power supply. Sampling resistance less than 500 ohms; output accuracy of ±0.5%. Applications Calibrating and validating current loop instrumentation in automation and process control. Testing control loop inputs and sensor interfaces during development or maintenance. Debugging signal paths and verifying instrument responses in field service or lab environments.