Pocket Digital Refractometer - Brix: 0 to 88% – Sper Scientific Direct

SPER SCIENTIFIC 300058 Waterproof Digital Refractometer Instruction Manual

Sper Scientific Pocket Digital Refractometer - Salinity

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Sper Scientific Direct

Pocket Digital Refractometer - Brix 0 to 65% – Sper Scientific Direct

Digital 0-55% Brix Refractometer – NISupply

Sper high-precision Digital Lab Refractometers measure concentrations in brix, salinity, refractive index and clinical parameters with full scale

Lab Digital Refractometer - Brix 45 to 88%

Water Quality – Page 4 – Sper Scientific Direct

Lab Digital Refractometer - Programmable – Sper Scientific Direct