This is 30-35% -50-0 4 in 1 Car Automotive Refractometer, Antifreeze Tester Freezing Point Refractometro Battery Fluid Urea Glass Water Coolant Meter. It is Quick and easier to measure just 2 or 3 drops and wait for a few seconds, then get an accurate reading. The antifreeze tester has the same accuracy as an expensive one but is more affordable. Fewer samples than a traditional Hydrometer.

It has a 4 IN 1 Function that is it Measures specific gravity of rechargeable battery acid 1.100~1.400kg/L, and freezing point of automobile antifreeze based on ethylene glycol or propylene glycol: 58 to 32/-50 to 0 , windshield wash Fluid (SRF1): -40 to 32/ -40 to 0 , Adblue the Urea Concentration in automobile diesel exhaust fluid (DEF) :30% to 35% . 4 in 1 Car Automotive Refractometer Antifreeze Tester Refractometro Battery Fluid Urea Glass Water Coolant Meter is Portable & Durable this antifreeze tester is made of non-staining aluminum and ABS rubber, durable and resistant to abrasion.

Features:

1. The antifreeze refractometer can measure the automobile glass water, Adblue, Antifreeze and battery liquid.
2. Automatic temperature compensation (ATC) easy to get the measurement data.
3. Antifreeze refractometer can adjustable visual eyepiece to let you see the clearly scale
4. Portable and handheld antifreeze car coolant tester is easy to calibration and easy to use
5. Use ambient light only which means battery or power source is not required

Specifications:

1. Special Feature : High Accuracy
2. Material: aluminum and ABS rubeer
3. ATC range: -10~30 (50~86 )
4. Connectivity Technology : USB
5. Type : Refractometer
6. Measurement Accuracy : 0.01sg
7. Measurement Accuracy : 0.01sg
8. Use for : Freezing Point Refractometro

Package Includes:

1 x 30-35% -50-0 4 in 1 Car Automotive Refractometer Antifreeze Tester Freezing Point Refractometro Battery Fluid Urea Glass Water Coolant Meter