Features Signal Generator: The current signal generator has 1 analogue output channel that can output 0-20mA, 4-20mA and 0-22mA signals, very reliable. Simple Operation: High in accuracy, the signal generator with 4 digit display also has buttons to adjust output values and set parameters. Easy Calibration: Equipped with current and voltage display calibration potentiometer, so you can calibrate the current voltage display value. Wide Application: Allows for wide utilization on valve adjustment, frequency control, PLC debugging, panel debugging, LED testing, and so on. Quick to Install: Designed to have a light weight and a compact size as well, the current signal simulator is very convenient to install. Specification: Item Type: Current Signal Generator Sampling Channel: 1 analog output channel that can output 0-20mA, 4-20mA, 0-22mA signals. Channel Features: High reliability and accuracy for stable output signals. Power Supply Protection: 15-28V DC power supply with anti reverse connection design. Product Accuracy: 0.01mA adjustment accuracy and 0.01mA display accuracy of 0.01mA, can be calibrated to the full scale value of the controlled equipment. Interface: 4 digit digital tube with high brightness, can switch among actual current, percentage and Hz. Adjustment: Has 3 durable touch buttons to adjust output values and set parameters. Application Range: -10~60℃ working temperature, with working humidity less than 80%.  Package List:1 x Current Signal Generator Package List 1 x Current Signal Generator