["brand new and high quality\r\n\r\nFeatures:\r\nNo-source two-wire 4-20mA current loop, wiring for 2, 3, 4 wire system\r\n9 programmable output (can simulate the actual environment of dynamic testing, each section can be set up for t running for time /A current /b current).\r\nDigital rotary encoder adjustment (the use of potentiometer, easily affected by temperature and humidity, the resistance value will change).\r\nCan be connected to the positive and negative (two-wire system, no matter how wiring, can work, will not burn meter).\r\nHigh precision, good linearity (Output accuracy：±0.5％；Display accuracy：0.01)\r\nCoarse and fine adjustment modes can be set for quick and accurate adjustment\r\nOutput range can be set: 4-20mA (control device) / 3-21mA (debug signal)\r\nDisplay mode: Actual current/100.0%/50.0Hz, LCD (with backlight).\r\nLinear output, calibratable\r\nCan be set to automatically store output values: automatic / manual\r\n2-9 quick adjustment output points can be set\r\nImported chips, ultra-low power consumption, no heat, more stable output.\r\nThe for shell is beautiful and easy to install.\r\n\r\nSystem operation：\r\nParameter Settings:（Rotate one grid clockwise is \"+\" Rotate one grid counter-clockwise is \"-\", Press the knob. is\"Confirm\"）\r\n1. Press and hold the knob for 2 seconds to enter the parameter setting, Display parameter number \"F001\", Then press \"Confirm \", to Set the value of parameter \"F001\", =0 is coarse tuning; =1 Fine tuning; Then press \"Confirm\" to save its value.\r\n2. When the parameter number \"FXXX\" is displayed, \"+\" \"-\" Rotation modification parameter number; Enter the password first \"+ - - +\", To enter the F002 parameter; Enter the password first \"+ - + -\", To enter the F100 parameter; Enter the password first \"- + - +\", To enter the F200 parameter.\r\n\r\nSpecification:\r\nPower supply voltage: 15V-30V\r\nOutput range: 4-20mA/3-21mA\r\nDisplay mode: Real Current / 0-100.0%/ 0-50.0Hz\r\nSampling resistance: Less than 500 ohms\r\nOutput accuracy: ±0.5％\r\nDisplay accuracy: 0.01\r\nfor Shell material: ABS\r\nDimensions: 79.5x42.2x24mm/3.13x1.66x0.94inch\r\nColor: Black\r\nQuantity: 1 Pc\r\nNote: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n 3.If you need PDF version of the manual, please contact us.\r\n\r\nPackage includes:\r\n1 x Current Loop Signal Generator\r\n1 x User Manual (English)"]