Robinair 75240 Coolant and Battery Refractometer
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<b>[Product Information]</b><br>
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<li>Used for measuring the freezing point of either propylene or ethylene glycol based cooling systems</li>
<li>Can also be used for checking the strength of electrolyte solution batteries</li>
<li>Precision instrument features high-quality optics with ultra smooth focusing</li>
<li>Scale range: 32 Degree F to -60 Degree F</li>
<li>Used on transportation vehicles such as cars tractors tanks ships</li>
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