EXTECH Refractometer: Battery Acid Specific Gravity/Ethylene
The EXTECH RF40 is an analog handheld refractometer designed for measuring battery acid specific gravity and ethylene glycol concentration. It features automatic temperature compensation and offers an accuracy of…
SKU 3G-OTH-377143
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Product Description
The EXTECH RF40 is an analog handheld refractometer designed for measuring battery acid specific gravity and ethylene glycol concentration. It features automatic temperature compensation and offers an accuracy of +/-5°F PG freeze point with a resolution of +/-0.2% for ethylene glycol testing.
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3G Electric supplies EXTECH analog handheld refractometers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.











