Refractometers :
- Model REF-101, Portable Refractometer with 0 to 10% Brix measuring range
- Model REF-104, Portable Refractometer with 28 to 62% Brix measuring range
- Model VBR62, Handheld Refractometer with 28~62% Brix measuring range, 0.2% resolution
- Model VSA1, Handheld Refractometer with 0~100‰ / 1.000~1.070 Salinity measuring range and 1‰ / 0.005 resolution
- Model SBR0032, Handheld Refractometer with 0~32% Brix measuring range, 0.2% resolution