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Extech, RF40, Portable Battery Coolant/Glycol Refractometer with ATC, °F
RF40 Includes Only:
Features:
This portable battery coolant/glycol Refractometer is easy to operate refract meters provide accurate and repeatable measurements on easy-to-read scales. The RF40 measures the freezing point of automotive coolants (propylene glycol and ethylene glycol) and indicates the specific gravity of battery acid and provides a quick reference of battery charge condition.
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