4-in-1 Automotive Fluid Refractometer

Check critical vehicle fluids with one compact tool. This automotive fluid refractometer quickly measures multiple concentrations and freezing points, so you can spot issues early and maintain your vehicle with more confidence.

Use it to test antifreeze based on ethylene glycol or propylene glycol, battery acid specific gravity, windshield washer fluid based on ethanol or isopropyl alcohol, and diesel exhaust fluid urea concentration. Automatic temperature compensation helps you get dependable readings in changing conditions.

Why You'll Want It

✅ Save time by measuring four vehicle fluids with one portable instrument.

✅ Avoid cold-weather surprises by checking antifreeze from -50 to 0 ℃.

✅ Diagnose battery condition faster with a 1.10 to 1.40 kg/l acid range.

✅ Drive with better visibility by testing washer fluid from -40 to 0 ℃.

✅ Confirm proper DEF strength with a 30% to 35% urea range.

✅ Carry and store it easily thanks to the lightweight 0.12 design.

Model RHA-701ATC measures 21*8*5CM and includes a cleaning cloth, screwdriver, user manual, and pipettes for convenient testing.

Compact size makes routine checks easier.

Multiple scales let you test different fluids.

Clear markings support quick reading.

Portable form fits easily in your toolkit.

Included accessories help you start testing sooner.

Automatic temperature compensation supports consistent checks.

Get quick fluid checks in one tool and maintain your vehicle with confidence.