Features • Fast Response Adjustment: The intuitive knob allows for quick and output adjustments, ensuring no delay in your current signal generation • Enhanced Safety Features: Equipped with polarity protection on the power port, this module prevents damage to components from reversed connections • Versatile Application Use: Ideal for various applications including signal sourcing, valve regulation, output meter testing, LED testing, and analog transmitter setups • Simple Output Testing: Easily verify output functionality by connecting a multimeter to the "4-20mA output" terminal for straightforward diagnostics • User-Friendly Design: Conveniently connect wires with excellent performance, making installation and hassle- for all users Features: 1、Knob , adjust output response fast, no delay. 2、The power port has polarity protection and will not damage components when the power is reversed. 3、Can be used for signal source, valve regulation, output meter test, LED test, analog transmitter. 4、To test whether the output is normal, you can use a multimeter to short the "4-20mA output" terminal. 5、Easy to use and convenient to connect wire with good performance. Specification: Item Type:Current Signal Generator Power Supply: DC 12V or 24V Current: 4-20mA Total Power: between1W Output Load Impedance: 0-350 Ohms (DC12V); 0-800 Ohms (DC 24V) PCB Board Size: 50 x 50mm / 1.97 x 1.97in Package List: 1 x 4~20mA Signal Generator Module 1 x Users Manual English Package List 1 x 4~20mA Signal Generator Module 1 x Users Manual English