1, passive two-wire 4-20MA current loop, the wiring is fully compatible with 2, 3, 4 wire system<br> 2,0.01 precision, liquid crystal display, encoder knob, terminal block is not or negative<br> 3, can set the coarse and fine adjustment mode, the number of turns can be set<br> 4, can set the output range: 4-20MA (control equipment) / 3-21MA (debug signal)<br> 5, can be set display mode: actual current / 100.0 / 50.0HZ<br> <br> 6, linear output, can be calibrated<br> 7, can be set to automatically the output value<br> 8, programmable automatic output 1-9 segment<br> 9, can set 2-9 points to quickly adjust the output, the knob directly calls these currents<br> Technical indicators:<br> 1.1Power supply voltage:15V---30V;<br> 1.2Output range:4-20mA/3-21mA;<br> 1.3Display mode: Real Current / 0-100.0/ 0-50.0Hz;<br> 1.4Sampling resistance:Less than 500 ohms;<br> 1.5Output accuracy:0.5;Display accuracy:0.01<br> Colour:grey<br> Material:plastic<br> <br> Contents:<br> 1 x Signal generator<br> <br> Only the above content, other are not included.<br> Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.