Product Description The AR-800A computerized optometer is an instrument that can quickly and accurately measure the diopter of eyes with a small 2.2mm pupil and a new LCD color screen design. The embedded microprocessing and fast image processing ...
...,cleaning fluid,battery fluid,antifreezing fluid and industrial fluid etc. And they can also test the proportion of the water-soluble solution. They can be easily used and their price is competitive.The data can be