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You are here: Home > Battery Testers & System Analyzers > Refractometer Battery Testers

Refractometers

A Hand Refractometer is a portable, precision optical instrument used for measuring the freeze point of engine coolant and the operation state of battery charging liquid and read actual specific gravity of electrolyte in a battery cell for an accurate measurement of battery state of charge.

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Refractometer - Battery Charge  Propylene & Ethylene Glycol  F & C
070-80053-00 Mahle Refractometer - Battery Charge Propylene & Ethylene Glycol F & C
Price $225.25

Refractometer - Battery Charge  Propylene & Ethylene Glycol  F & C
395 TPI Handheld Refractometer Propylene Glycol Ethylene Glycol Battery fluid
395 TPI Handheld Refractometer Propylene Glycol Ethylene Glycol Battery fluid
Price $69.40

TPI 395 Handheld Refractometer - Use the 395 to determine the freezing point of fluids including those used in hydronic heating systems. The 395 Handheld Refractometer is designed to give an accurate reading regarding the freezing point of fluids used in hydronic heating systems. It is quick and easy to use. Place a drop of fluid on the prism, close the plastic lid, and look through the eye piece: where the blue and white colors meet indicates the freezing point of the coolants or the state of change for batteries.
397 TPI Pen Style pH Meter 0.10-14.00pH
397 TPI Pen Style pH Meter 0.10-14.00pH
Price $78.10

TPI 397 Pen Style pH Meter with 0.10-14.00pH Range - The TPI 397 Accurate pH Tester Pen has features waterproof design to protect the meter, low power consumption to extend the battery life, auto-off function turns power off automatically after 10 minutes, Automatic Temperature Compensation (ATC) for accurate readings, replaceable glass test tip electrode that screws on for a solid connection compatible with the pH-902A Changeable electrode and the pH-901A Fixed electrode.
75240 Robinair Coolant and Battery Refractometer (Fahrenheit) 32° F to -60° F
75240 Robinair Coolant and Battery Refractometer (Fahrenheit) 32° F to -60° F
Price $58.28

The 75240 Robinair Coolant and Battery Refractometer (Fahrenheit Scale) can be used for measuring the freezing point of either propylene or ethylene glycol based cooling systems. It can also be used for checking the strength of electrolyte solution batteries. This precision instrument features high-quality optics with ultra smooth focusing.
TLREF CPS Antifreeze / Battery / Cleaning Fluids Refractometer Tester
TLREF CPS Antifreeze / Battery / Cleaning Fluids Refractometer Tester
Price $91.94

This instrument is designed for testing the concentration of battery fluids, antifreeze liquids and cleaning fluids. The percentage indicator indicates the point of freezing for both propylene glycol and ethylene glycol. It can also be used for checking the strength of electrolyte solution batteries.
   
 
If the specific gravity measures between 1.100 and 1.220, the battery must be recharged. If the specific gravity is below 1.225 or a variation of .20 or greater specific gravity between battery cells indicates a need for battery equalization charging or indicates a weak cell. If the specific gravity is between 1.225 and 1.265, the battery is ok to test. If the hydrometer has a temperature correction chart, be sure to adjust the reading for the battery’s temperature. Variance of specific gravity between cells is not significant on discharged batteries (batteries with specific gravities below 1.225). However, if there is a variance of 50 points (0.050) in a battery whose specific gravity is 1225 or more, that battery is defective.
Century Tool & Equipment
4013 S. Old Hwy 94
St. Peters MO 63304
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