3-in-1 Refractometer, tri-scale design uses for testing freezing point & concentration of either ethylene or propylene glycol-based cooling systems & testing ethylene or propylene glycol-based anti-freezing liquids. Can also measure specific gravity of battery fluid.
Application:
Monitor reliability of your battery charge & health condition
Check freezing point of your car cooling system
Be aware of the status of your car coolant
Ensure all is working properly and not causing problems like rust, prone to freezing, poor charging, poor cooling, etc

Features:
Auto Temperature Compensation (ATC), rest easy that your measurements are always accurate regardless of temperature variation
Cushioned with soft and comfortable non-slip rubberized grip, insulate test solution from body heat
Adjustable focus, clearly defined scale, large easy-to-read measurement
Approved by strict quality & safety standards
Accurate results guaranteed

Specifications
Measuring Range:Ethylene Glycol : -60~0°C (66.6%-0%)
Propylene Glycol : -50~0°C (62.4%~0%)
Battery Fluids SG : 1.100 - 1.400kg/l

Division:Ethylene Glycol : 5°C
Propylene Glycol : 5°C
Battery Fluids SG : 0.01kg/l

Accuracy:Ethylene Glycol : ±5°C
Propylene Glycol : ±5°C
Battery Fluids SG : ±0.01kg/l

ATC: 10-30°C
Weight : 91g
Length :152mm (6.0 inc

Set Includes
1 x 3-in-1 Automotive Refractometer
1 x English Instruction manual
1 x Mini screwdriver
2 x Pipettes
1 x Cleaning Cloth
1 x Protective Carrying Case