Adjustable Current Signal Generator 4~20mA DC12/24V Current Signal Generating

Feature: \n 1. Knob operation, adjust output response fast, no delay.\n2. The power port has polarity protection and will not damage components when the power is reversed.\n3. Can be used for signal source, valve regulation, output meter test, LED test, analog transmitter.\n4. To test whether the output is normal, you can use a multimeter to short the \""4-20mA output\"" terminal.\n5. Easy to use and convenient to connect wire with good performance. \n\nSpecification: \nItem Type:Current Signal Generator\nPower Supply: DC 12V or 24V\nCurrent: 4-20mA\nTotal Power: <1W\nOutput Load Impedance: 0-350 Ohms (DC12V); 0-800 Ohms (DC 24V)\nPCB Board Size: 50 x 50mm / 1.97 x 1.97in \n\nPackage List: \n 1 x 4~20mA Signal Generator Module1 x Users Manual English \n \n\n1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties.\n2. duties,taxes,and charges are not included in the item price or shipping fee.\n3. The du: