【About Adblue AUS32/DEF Refratometer】The DEF Refractometer is a portable precision optical instrument used for measuring the diesel exhaust fluid concentration.
【Easy to Operate】Only 3 steps to know your DEF condition in a quick and easy way: calibrate the refractometer to 0, then place a liquid sample to be tested on the main prism and close the light plate, finally check the readings through the eyepiece under light source.
【Automatic Temperature Compensation (ATC)】An automatic temperature compensation range from 10~30℃ will make result more accurate. As long as the ambient temperature of prism does not change, the sample size is so small that it will quickly come to the same temperature as the refractometer. If ambient temperature changes significantly then you will need to rezero the refractometer with water.
【Optical Theory of the Refratometer】Drip 2-3 drops of liquid sample on the prism, you can get accurate readings. The light passing through it is bent, and the more concentrated the liquid the more the light will bend.
【Durable and easy to use & carry 】The main part of Urea Concentration Refractometer is made of aluminum alloy, light but durable; a carrying case is included to protect your refractometer from dirt and damage; no battery is needed.
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