BOSS BPG Professional Propylene Glycol Antifreeze Refractometer PG Jorgenson and in the United States

and in the United States it is measured as specific gravity

The SEAfractometer is designed to measure Salinity of Natural Sea Water taking into account the other elements that comprise salinity in the marine water sampled

95 and up at most retailers

99% TDS Range - +/- 0

When measuring a hot sample

BOSS BPG Professional Propylene Glycol Antifreeze Refractometer PG Jorgenson and in the United StatesBOSS BPG Portable 0 to 63. 0% Concentration and 32F to 60F Freeze Point Propylene Glycol Refractometer THIS IS THE BEEFY, PROFESSIONAL GRADE REFRACTOMETER! This is the Refractometer the Professionals use! NOBODY MAKES A TOUGHER HANDHELD REFRACTOMETER THAN BOSS REFRACTOMETERS! Perfect to Glycol Jackets BOSS BPG Specs: * Dual Scale Ranges: 0. 0% to 63. 0% Concentration and 32. 0F to 60. 0F Freeze Point * Resolution: 1. 0% Concentration and 1F Freeze