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OPERATING PROCEDURE 1. With the COVER PLATE open, clean the PRISM with a soft cloth to avoid scratching the surface. 2. Aim the refractometer toward a light source and rotate the EYEPIECE to obtain the clearest focus. 3. Zero Point Calibration: A.
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Screwdriver, Carrying Case, Transfer Pipette, Manual. WARRANTY Sper Scientific warrants this product against defects in materials and workmanship for a period of one (1) year from the date of purchase, and agrees to repair or replace any defective unit without charge. If your model has since been discontinued, an equivalent Sper Scientific product will be substituted if available.
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