Antifreeze Refractometer Optical Portable Battery Acid Ethylene Glycol 30-35% Car Urea Concentration Meter Black Handheld Antifreeze Detector Physical Battery Acid Measuring Tool

Features. Shading cover. Equipped with a light-shielding cover to protect the prism from external influences during measurement and improve measurement accuracy. Automatic temperature compensation. With automatic temperature compensation the reading is accurate even at different temperatures. The measurement process is fast and accurate. Easy to use. Place 2 - 3 drops of sample onto the prism and then look through the eyepiece for readings the scale will clearly show the measuring results. Correcting screw knob. Comes with a metal screw knob which is used to correct the meter when there is error in measuring results keep the measuring machine always accurate. Wide range of uses. The measuring tool can be used for methanol such as ethylene glycol propylene glycol antifreeze glass water electrolyte battery acid car urea and more. Specifications. Material:ABS+optical instrument. Item color:black. Temperature compensation: Yes. Measuring range: Car urea:30-35%(accuracy of 0.2%). EG:-50-0 degrees Celsius (accuracy of 5 degrees Celsius). PG:-50-0 degrees Celsius (accuracy of 5 degrees Celsius). BG: 1.10-1.40kg/L (accuracy of 0.01). CW: -40-0 degrees Celsius (accuracy of 5 degrees Celsius). Size:16*4*4cm/6.29*1.57*1.57inch(L*W*H). Net weight: 93g/3.28oz.