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Extech RF40 Hand Held Refractometer
Extech-RF40-Hand-held-Refactometer-with-Automatic-Temperature-Compensation-EXTECH-RF40-p-The-Extech-RF40-hand-held-refractometer-optically-determines-the-freezing-point-of-ethylene-glycol-and-propylene-glycol-Additionally-battery-acid-concentration-can-be-measured-and-the-battery-charge-determined-Only-three-drops-of-the-liquid-are-needed-for-testing-Supplied-with-case-calibration-screwdriver-and-calibration-solution-p-Extech-RF40-Hand-Held-Refractometer