New! Portable digital "PEN-PRO" refractometer. Easy to use, dip or touch the sample surface. Range 0.0 to 85.0% Brix, Accuracy ±0.2% Brix

New! Portable digital "Pen-Wrestling" refractometer. Preferred method of testing to meet NFHS weight certification guidelines. Range: Urine S.G. 1.0000 to 1.0600; Resolution: Urine S.G. 0.0001; Accuracy: Urine S.G. ±0.001

New! Portable digital "PEN-HARVAST" refractometer. Easy to use, dip or touch the sample surface. Can be stuck directly into fruit! Range 0.0 to 33.0% Brix, Accuracy ± 0.2% Brix

New! Portable Digital Refractometer, water resistant, ATC, wide measurement range (0.0 to 85.0% Brix). Ideal for Sugar, Chemicals, Industrial Fluids, Antifreeze, Cutting oils. Accuracy ±0.2%

New! Portable Digital Refractometer, water resistant, ATC, wide measurement range (1.000 to 1.060 urine S.G.). Accuracy ±0.001

New! Portable Digital Refractometer, water resistant, ATC, wide measurement range. Measure Concentration of Ethylene Glycol, Accuracy ±0.4% , Range 0.0 to 90.0% (V/V)