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Fisherbrand™ Handheld Digital Automotive Refractometer

Fisherbrand™ Handheld Digital Automotive Refractometers are portable, reliable and accurate for checking the freeze point of coolant, brake fluid levels, diesel exhaust fluids and battery fluid concentrations.

$503.00 - $530.00


Sample Volume >0.2 mL
Calibration Distilled water
Display LCD
Scale Type Linear
Measurement Time 2 sec.
View More Specs

Includes: Digital refractometer, Rubber grip, prism cover, hard shell case, battery, Applicator, Manual

Products 4
Catalog Number Type For Use With (Application) Price Quantity & Availability  
Catalog Number Type For Use With (Application) Price Quantity & Availability  
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Automotive Multi-Check Refractometer Windshield wiper fluid, Coolant, Battery
Each for $515.00
Add to cart
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Automotive DEF Refractometer DEF
Each for $503.00
Add to cart
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Automotive E.P. Refractometer Coolant
Each for $530.00
Add to cart
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Automotive Brake-Check Refractometer Brake fluid
Each for $515.00
Add to cart


Fisherbrand™ Digital handheld Refractometers are designed to fit into the palm of your hands, and easy to operate. Their compact design allows them to be taken anywhere you need them to go with its IP65 ingress protection water and dust. .

Each unit is inspected in the United States by a factory qualified technician under a ridged quality control process to insure its accuracy, and performance.


  • Compact, lightweight design for easy portability
  • Automatic Temperature Compensation to prevent inaccurate readings due to temperature fulgurations.
  • Stainless steel prism well for great protection and easy cleaning
  • Easily switch between C°/ F° readings
  • IP65 rating for protection against water and dust
  • 589.3nm LED for easy readings in any low light situation, and increased accuracyPowered by a single AAA battery
  • Battery-saving mode automatically powers unit off after 1 minute of inactivity
  • Requires 4 to 5 drops sample size for micro-volume detection
  • AFM technology measures the sample 15 times, and displays the mean value
  • Large digital display, allows for easy-to-read measured values, temperature, and battery life all on the display
  • Removable grip for easy cleaning
  • Hanging strap to prevent accidentally dropping the unit
  • Single button calibration with distilled water
  • 4 rubber feet allow for the unit to sit firmly and securely on most surfaces without causing scratches to the unit or the surface it is sitting on
  • 1-Year warranty



Engine coolant freeze points and battery fluid levels are one of the most important things when maintaining a proper working vehicle. This is even more important when in areas of extremely cold temperatures. The FisherBrand™ Handheld Digital Automotive Refractometers measures vital coolant freeze point levels of Ethylene and Propylene Glycol based coolants to insure that your engine radiator won’t freeze.

Warranty and Services

1 Year



>0.2 mL
2 sec.
Digital refractometer, Rubber grip, prism cover, hard shell case, battery, Applicator, Manual
90 g
121 mm
25 mm
58 mm
0°C to 40°C
1xAAA Battery
Distilled water
0.2 lb.
25 x 58 x 121 mm
4.76 in.
2.28 in.
Product Certifications
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