Automotive Refractometer 4-in-1
(coolant / electrolyte / windshield washer fluid / urea solution)
OPHR4001 PROTESTER

Specification

• Device length: 155 mm
• Box/case dimensions: 200 × 80 × 55 mm
• Set weight: approx. 1 kg
• Measured parameters: fluid concentration / freezing point, electrolyte density (SG) — according to the scales in the eyepiece

Set includes

• OPHR4001 refractometer,

• pipette – 1 pc,

• calibration screwdriver – 1 pc,

• transport case.

A compact refractometer designed for quick inspection of four essential automotive fluids. The measurement takes only a few seconds — simply apply a drop of the sample onto the prism and read the result directly from the scale in the eyepiece. The device does not require any power supply.

Applications

• Coolant (antifreeze) — concentration / freezing point assessment.

• Battery electrolyte — density check in lead-acid batteries.

• Windshield washer fluid — freeze-resistance check.

• Urea solution (AdBlue) — concentration verification.

Key features

• 4 measurement scales in one instrument.

• Fast calibration with the adjustment screw (using distilled water).

• Clear, direct reading from the scale; no power required.

• Compact size — easy to store in the glove compartment.

PROTESTER offers a full range of measuring equipment for both home and professional use. Through consistent cooperation and strong partnerships, the company ensures high-quality service and reliable products for its customers.