Оптичен рефрактометър за антифриз 60лв

Durable and built to last long. Heavy-duty and lightweight with its aluminum construction. Uses ambient light only which means battery or power source is not required. Equipped with scale measurement which provides direct reading, easy to focus and calibrate. Accurate testing results guaranteed. Cushioned with soft & comfortable non-slip rubber. Measuring Range: Ethylene Glycol: -70°C-0°C(-90°F-32°F). Propylene Glycol: -60°C-0°C(-70°F-32°F). Battery Fluids: 1.100-1.400sg. Resolution Factor: 5°C(10°F), 5°C(10°F), 0.01sg. ATC(Automatic Temperature Compensation) Compensation Range: 10°C~30°C (50°F~86°F). Size: 16cm x 4cm x 4cm.