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395 Handheld Refractometer

Use the 395 to determine the freezing point of fluids including those used in hydronic heating systems.

  • Test propylene glycol, ethylene glycol and battery fluids
  • Does not degrade like litmus paper; allows for more accurate readings
  • Cushioned eye piece for easy viewing
  • Smooth focus adjustment for reliable repeat testing

£70 RRP exc. VAT

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The 395 Handheld Refractometer is designed to give an accurate reading regarding the freezing point of fluids used in hydronic heating systems. It is quick and easy to use. Place a drop of fluid on the prism, close the plastic lid, and look through the eye piece: where the blue and white colors meet indicates the freezing point of the coolants or the state of change for batteries.

Model 395 Applications:

Radiant heat line fluids for walkways, garages, closed loop systems and in-floor systems

Engine coolants Battery fluid condition Recreational vehicles

Battery condition of sump pump battery back up systems


 Model 395 Specifications
 Propylene Glycol  Range: -60°F to 20°F (-50°C to -5°C)
 Ethylene Glycol  Range: -60°F to 20°F (-50°C to -5°C)
 Battery Fluid  Range: 1.10 to 1.4 pH with recharge, fair, and good ratings
 Dimensions  6 3/8” x 1 1/4”, 7/8” tube diameter
 Weight  0.6lbs (0.286kg)

Model 395 Demonstration Video

Product Documentationpdf-icon1

Click below to view or download product documentation PDFs:

395 Manual

395 Product Sheet

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