12V LED Digital Tester for Motor Engine Oil Quality Analysis Gas Diesel Fluid Detector

Features: Comes with calibration function detection accuracy is higher. misuse of all kinds of unqualified and fake lubricating oil. Oil quality inspection to ensure oil safety. Detection of diesel engine oil gasoline engine oil by testing oil acid carbon deposition and moisture other impurities. equipment is small and easy to carry. Specifications: Material: ABS Color: Red/Black for optional Testing system: oil quality Supply: 2x 3V CR2032 button battery（include） Package weight: 75g Package size: 12*5*5cm / 4.72*1.97*1.97in Operation instructions: 1. engine type GAS or DSL(diesel).Turn on key down. Wait for 5 seconds and then drip oil to test when green light is flashing on instrument and red light is flashing. Finally press test key to start test 2. Add a few drops of lubricating oil to be tested to sensor of instrument. Do not miss test . 3.Press test test key and release it quickly. 10 lights will flash in sequence. last light indicates quality of lubricant. 4.No. 1-7 Any LED flashes green indicating good oil quality. No.8 or No.9 led flickers yellow and oil quality is average. No. 10 LED is flashing red slowly. It is recommended to change lubricating oil. No. 10 LED flashes red rapidly it is recommended to test engine. Package list: 1 X Engine Oil Quality Detector