SPER SCIENTIFIC 300050 Pocket Digital Refractometers Instruction Manual
Learn how to use the SPER SCIENTIFIC 300050 Pocket Digital Refractometers with laboratory accuracy. This user manual covers calibration, features, and precautions for models 300051, 300052, 300053, 300054, and 300055. Waterproof and with automatic temperature compensation, get instantaneous readings with this digital refractometer.