bhenry Posted March 7, 2009 Share Posted March 7, 2009 Hello everyone Just got my new refractometer in the mail from drsf&s. It is the model rhs-10atc, I also got the calibration fluid with it. When I was trying to calibrate it I turned the calibration screw all the way in and could not get it to the zero line. Am I doing something wrong. Link to comment
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