WORKING PARAMETERS: 0-20mA current signal generator, 1-channel analog output, uses a 15-28VDC power supply with anti-reverse connection design. EXCELLENT CHIP: The signal generator adopts an excellent chip, offering high reliability, high accuracy, good stability, and low temperature drift. MULTIPLE APPLICATIONS: Used as a signal generator, valve adjustment, frequency control, PLC and panel debugging, LED testing, and analog transmitter output. 4-DIGIT DISPLAY: The current generator features a 4-digit tube display with high brightness, allowing switching to show actual current, percentage, and Hz. EASY OPERATION: This signal generator uses button operation, supporting adjustment of output values and parameter settings for convenience and practicality. Item Type: Signal Generator Sampling Channel: 1 analog output channel, output 0-20mA Channel Function: Imported chips selected for high reliability, high accuracy, and stable output signal Power Supply Protection: 15-28VDC power supply, anti-reverse connection design Product Accuracy: Adjustment accuracy of 0.01mA, display accuracy of 0.01mA, calibratable (suitable for the full-scale value of the controlled equipment) Man-Machine Interface: 4-digit digital tube, high brightness, switchable display of actual current, percentage, Hz Adjustment Method: 3 long-life touch buttons for adjusting output values and setting parameters Working Temperature: -10-60℃ Working Humidity: Less than 80%