skip to Main Content

The 395 Handheld Refractometer is designed to give an accurate reading regarding the freezing point of fluids used in hydronic heating systems.

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

Where to Buy TPI Products

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:

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

AUTOMOTIVE:
Engine coolants Battery fluid condition Recreational vehicles

PLUMBING:
Battery condition of sump pump battery back up systems

SEALS4

Product Documentationpdf-icon1

Click below to view or download product documentation PDFs:

395 Manual

395 Product Sheet

 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

Back To Top