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EXTECH Refractometer: Battery Acid Specific Gravity/Ethylene Glycol/Propylene Glycol, Auto - Analog Handheld Refractometers
EXTECHAnalog Handheld Refractometers

EXTECH Refractometer: Battery Acid Specific Gravity/Ethylene Glycol/Propylene Glycol, Auto

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

Also listed as: RF 40 · RF-40

Brand
EXTECH
Item
Refractometer: Battery Acid Specific Gravity/Ethylene Glycol/Propylene Glycol, Auto
Category
Analog Handheld Refractometers
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

EXTECH
Manufacturer Part Number
RF40
Type
Glycol/Propylene Glycol, Auto, Analog
Accuracy
+/-5°F PG Freeze Point
Resolution
+/-0.2%
Test Parameters
Ethylene Glycol
Automatic Temperature Compensation Included
Automatic

Technical Documents

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EXTECH Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Frequently Asked Questions

What is the EXTECH RF40 refractometer used for?

The EXTECH RF40 is an analog handheld refractometer used to measure battery acid specific gravity and ethylene glycol concentration in coolants. It is commonly applied in automotive maintenance, industrial fluid analysis, and freeze-point testing for propylene glycol systems.

What are the specifications of the EXTECH RF40?

The EXTECH RF40 offers an accuracy of +/-5°F PG freeze point and a resolution of +/-0.2% for ethylene glycol testing. It includes automatic temperature compensation and is designed for analog measurement of battery acid specific gravity and ethylene glycol concentration.

Where to buy the EXTECH RF40 worldwide?

The EXTECH RF40 is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to use the EXTECH RF40 refractometer?

To use the EXTECH RF40, place a few drops of the sample on the prism, close the cover, and hold the refractometer toward a light source. Read the scale where the shadow line intersects. Rinse with distilled water after each use and calibrate with a standard solution periodically.

Used in

Common applications for EXTECH
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Environmental monitoring — EXTECH RH490 data logging hygro-thermometer for temperature and humidity logging
Lighting inspection — EXTECH LT300-NIST light meter for illuminance measurement in workspaces

EXTECH Products

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
VEE GEE Refractometer: Battery Acid Specific Gravity/Ethylene Glycol/Propylene Glycol, +/-0.01, Auto (MPN 43062)
VEE GEE
VEE GEE Refractometer: Battery Acid Specific Gravity/Ethylene Glycol/Propylene Glycol, +/-0.01, Auto (MPN 43062)
VEE GEE Refractometer: Battery Acid Specific Gravity/Ethylene Glycol/Propylene Glycol, +/-2.0°F (MPN CTX-2)
VEE GEE
VEE GEE Refractometer: Battery Acid Specific Gravity/Ethylene Glycol/Propylene Glycol, +/-2.0°F (MPN CTX-2)
GENERAL Refractometer: +/-0.2% Accuracy, Manual, Analog, 6 1/4 in Overall Dp, 5 7/8 in Overall Wd (MPN REF401)
GENERAL
GENERAL Refractometer: +/-0.2% Accuracy, Manual, Analog, 6 1/4 in Overall Dp, 5 7/8 in Overall Wd (MPN REF401)
TRIPLETT Refractometer: Battery Acid Specific Gravity/Ethylene Glycol/Propylene Glycol, Auto, Analog (MPN RFT55)
TRIPLETT
TRIPLETT Refractometer: Battery Acid Specific Gravity/Ethylene Glycol/Propylene Glycol, Auto, Analog (MPN RFT55)
TEST PRODUCTS INTL. Refractometer: Battery Fluid/DEF/Ethylene Glycol/Propylene Glycol, Analog (MPN 395)
TEST PRODUCTS INTL.
TEST PRODUCTS INTL. Refractometer: Battery Fluid/DEF/Ethylene Glycol/Propylene Glycol, Analog (MPN 395)
TRIPLETT Refractometer: Battery Acid Specific Gravity/Ethylene Glycol/Propylene Glycol, Auto, Analog (MPN RFT50)
TRIPLETT
TRIPLETT Refractometer: Battery Acid Specific Gravity/Ethylene Glycol/Propylene Glycol, Auto, Analog (MPN RFT50)

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