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Car Maintenance

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Car Maintenance

Car Maintenance

April 22, 2025

Car maintenance, automotive servicing, and fluid quality control.

Whatever your application, you can find the right refractometer to ensure accurate and reliable fluid measurement.

 

 

Measuable Liquids

Our automotive antifreeze and coolant refractometers are commonly used to measure:

  • Coolant / Antifreeze – Quickly determine the freezing point of ethylene or propylene glycol-based coolant to ensure proper engine protection.
  • Battery Fluid – Measure the specific gravity (SG) of battery electrolyte to assess battery health and performance.
  • DEF / AdBlue – Check the urea concentration to ensure compliance with emission standards.
  • Windshield Washer Fluid – Measure both the concentration and freezing point to guarantee visibility in cold weather conditions.

 

 

Product Selection Guide

This chart categorizes our models by their functionalities, temperature unit, and suitable regions.

 

Categories Temperature Unit Measurement Range Model 

Ultimate 5 in 1

Ethylene Glyco

Propylene Glycol

Battery Fluid

DEF (Adblue)

Windshield Cleaner Fluid

Celcius (℃)

Ethylene -50℃ to -25℃

Propylene -50℃ to -25℃

Battery Fluid 1.100-1.300sg

DEF 30-35%

Cleaner -40℃ to -10℃

RHAN-605

Ethylene -50℃ to 0℃

Propylene -50℃ to 0℃

Battery Fluid 1.100-1.400sg

DEF 0-40%

Cleaner -40℃ to 0℃

RHAN-504

4 in 1

Ethylene Glyco

Propylene Glycol

Battery Fluid

DEF (Adblue)

Celcius (℃)

Ethylene -50℃ to 0℃

Propylene -50℃ to 0℃

 Battery Fluid1.100-1.300sg

 DEF 0-35%

RHAN-737

Ethylene -50℃ to -10℃

Propylene -50℃ to -10℃

 Battery Fluid 1.200-1.300sg

 DEF 20-40%

RHAN-747

Fahrenheit (°F)

Ethylene -60 to 32℉

Propylene -60℉ to 32℉

 Battery Fluid 1.100-1.300sg

DEF 0-40%

RHAN-757

4 in 1

Ethylene Glyco

Propylene Glycol

Battery Fluid

Windshield Cleaner Fluid

Celcius (°F)

Ethylene -50 to 0℃

Propylene -50℃ to 0℃

 Battery Fluid 1.150-1.300sg

Cleaner -40℃ to 0℃ 

RHA-403A

Ethylene -60℃ to 0℃

Propylene -50 to 0℃

 Battery Fluid 1.100-1.400sg

Cleaner -40℃ to 0℃ 

RHA-504A

Ethylene -50℃ to 0℃

Propylene -50℃ to 0℃

Battery Fluid 1.100-1.400sg

Cleaner -40℃ to 0℃ 

RHA-503A

Fahrenheit (°F)

Ethylene -70℉ to 32℉

Propylene -60℉ to 32℉

Battery Fluid 1.100-1.400sg

Cleaner -40℉ to 32℉ 

RHA-503FA

 

 

3 in 1

Ethylene Glyco

Propylene Glycol

Battery Fluid

Both °F and 

Ethylene -50℃ to 0℃

Ethylene  -60℉ to 32℉

Propylene -50℉ to 32℉

Propylene -50℃ to 0℃

Battery Fluid 1.100-1.400sg

Ethylene -90℉ to 32℉

Ethylene -70℃ to 0℃

Propylene -70℉ to 32℉

Propylene -60℃ to 0℃

Battery Fluid 1.100-1.400sg

Celcius (℃)
Ethylene -60℃ to 0℃
Propylene -50℃ to 0℃
Battery Fluid 1.100-1.400sg

Ethylene -50℃ to 0℃

Propylene -50℃ to 0℃

Battery Fluid 1.100-1.400sg

RHA-501T

Ethylene -50℃ to 0℃

Propylene -50℃ to 0℃

Battery Fluid 1.150-1.300sg

RHA-301A

Ethylene -70℃ to 0℃

Propylene -60℃ to 0℃

Battery Fluid 1.100-1.400sg

RHA-303A

Ethylene -60℃ to 0℃

Propylene -50℃ to 0℃

Battery Fluid 1.100-1.400sg

RHA-737

Ethylene -50℃ to 0℃

Propylene -50℃ to 0℃

Battery Fluid 1.150-1.300sg

RHA-405A

Concentration 0%-100%

Freezing Point -60℃  to 0℃ 

Battery Fluid 1.000-1.400sg

RHA-800A

Fahrenheit (°F)

Ethylene -60℉ to 32℉

Propylene -50℉ to 32℉

Battery Fluid 1.150-1.300sg

RHA-300FA

Ethylene -84℉ to 32℉

Propylene -60℉ to 32℉

Battery Fluid 1.100-1.400sg

RHA-100

 

 

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