Features:

* Easy used and comfortable hand-held refractometer
* Fast, high accurate and easy measuring is possible anywhere
* Focus is adjustable and can be controlled manually
* Equipped with built-in calibration knob
* Guaranteed high quality and accurate testing results
* Provides dual-scale for direct reading
* Equipped with built-in ATC compensation Range(Automatic temperature compensation) from 10° C-30° C or 50° C to 86° F to correct temperature discrepancies during use
* Approved by strict quality and safety standards
* Durable, heavy-duty and lightweight with its aluminum construction
* Made with the highest and finest quality of aluminum& rubber
* Cushioned with soft&comfortable non-slip rubber
* Comprehensive operations manual, complete with protective carrying case, pipettes and calibration screwdriver are provided for user's convenience and comfortability