Battery Coolant Refractometer, Defenseguard, Mfr#: DE128211

Features

• m easures the freezing point of automotive coolants in their current concentration as well as battery charge
• Both ethylene glycol and propylene glycol antifreezes can be measured, on separate scales
• Battery charge is measured on a third scale using just a few drops of battery electrolyte solution (battery acid)
• The specific gravity of the battery acid is displayed together with a reading of RECHARGE, FAIR, or GOOD
• Place a drop or two of a sample on the prism and read the results
• portable refractometers work in ambient light with no battery or other power source necessary
• A refractometer measures the extent to which light is bent (refracted) through a liquid sample
• They are commonly used to help identify or confirm the identity of a sample, assess the purity of a sample, or determine the concentration of a solute in a solution
• They can be used in labs, on production lines, in the field or anywhere
• Simply place a drop or two of a sample on the prism and read the results immediately
• With reasonable care, their reliability, precision, and optical performance will last forever
• Rubber coated hand grip and construction, which insulate the test solution from inaccuracies caused by the user's body heat.
• Covered eye piece and bright, clearly defined scale, with large easy-to-read measurements.
• All the accessories for immediate use, including calibration tools and solutions, full instructions, transfer pipettes and protective cases.
• Dimension - 6.5 x 1.5 x 1.5 in.
• Item Weight - 0.19 lbs.