The refractometer is a new hand held refractometer developed to address the growing need to check the urea concentration in AdBlue. Specification:Measuring Range:Adblue: 30%--35%Ethylene Glycol:-50°C--25CPropylene Glycol:-50°C-25CCleaning Fluids:-40°C-10CBattery Fluids:1.100-1.300sgResolution Factor:0.5% 5°C,5°C,5°C,0.01sg(ATC) Temperature Compensation Range:10°C-30°CUsage: ConcentrationWeight: 160GRefractometer RHA-701ATC Equipped with high measurements capabilitiesDurable and built to last longheavy-duty and lightweight with its ABS plastic constructionEasy to focus and calibrateAccurate testing results guaranteedMade with the highest and finest quality of ABS plastic & rubber that makes it lightweightCushioned with soft & comfortable non-slip rubberExtremely easy-to-use Packing List1 * refractometer RHA-701ATC Notes:Product size/pictures are manually measured and taken, please forgive a little deviation.