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A Refractometer is the Best Method for
Testing Ethylene Glycol & Propylene Glycol
Antifreeze, Engine Coolant, and Heat-Transfer Fluids The MISCO Glycol & Battery Tester is a fast and easy-to-use refractometer designed for testing the freeze point of propylene glycol and ethylene glycol antifreeze solutions. Refractometers represent the most accurate conventional testing method available for determining freeze point and concentration of engine coolants and antifreeze solutions. Don't be misled by hydrometers or freeze-point test strips, which are not accurate enough to be useful.
The bright easy to read scale provides direct readings of propylene glycol freeze point as low as -60°F and ethylene glycol as low as -84°F. Automatic temperature compensation provides immediate, accurate, direct readings without the need to measure temperature or apply a correction. The MISCO Glycol & Battery Tester is also the most accurate means of determining state-of-charge or specific gravity readings for electrolyte in lead-acid batteries. See It From Our ViewPoint.
ONLY MISCO Refractometers come equipped with the patented ViewPoint Illuminator. ViewPoint is a light source with a self-contained power supply that provides extra illumination for the scale inside the instrument, improving the contrast and accuracy of the reading. The refractometer may be used with or without the ViewPoint. The long-lasting power supply has a TEN YEAR shelf life. | 
| Auto Temperature Compensation
Automatic-temperature-compensation eliminates the need for measuring temperatures and applying a correction factor, when taking readings. Both the range and response time of the temperature compensation are unsurpassed by any other instruments in the industry. Instruments without temperature compensation simply can't measure up.
Tuned Optics
All MISCO Refractometers are calibrated at two points on the scale. Two-point calibration make this the most accurate hand-held refractometer available because calibration is tuned over the entire span of the scale. Beware of refractometers that don't allow for two-point adjustments. Certified calibration traceable to NIST is available. Scale Available in Degrees Celsius
The 7064VP+ refractometer is functionally identical to the 7084VP+ refractometer but the internal scale displays glycol freezepoints in degrees Celsius instead of degrees Fahrenheit.
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| Fluid |
Unit of Measure |
Range |
Resolution |
Precision |
| Ethylene Glycol |
Freeze Point (°F) |
+32 to -84 °F |
5 °F |
+/- 2 °F |
| Propylene Glycol |
Freeze Point (°F) |
+32 to -60 °F |
5 °F |
+/- 2 °F |
| Battery Acid |
Specific Gravity |
1.095 to 1.400 |
0.005 |
+/- 0.005 |
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