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Brand | LEERCHUNAG |
Rating | 4.7 (7 ratings) |
Price | $15.99 |
Category | Aquarium Hydrometers |
LEERCHUANG Salinity Refractometer 4 in 1 Portable Seawater and Marine Tester for Aquarium Fishkeeping with Automatic Temperature Compensation(ATC) LEERCHUANG is a professional brand in supplying various kinds of measuring instruments, and refractometer series is one of our main production lines. It is portable, simple, fast and no battery required, easier and more accurate for measuring the freezing point of ethylene glycol or propylene glycol based antifreeze. With our refractometer you keep your car up to date and prepare your vehicle for the freezing cold winter. To calibrate: Add 2 to 3 drops of fresh water or distilled water, then turn the calibration adjustment screw until the blue line is at zero. How to use: Place 2 to 3 drops of the test sample on the main prism, close the daylight plate and look through the eyepiece to read the Brix value. Package content: 1 x refractometer 1 x Calibration Screwdriver 1* pipette 1 x user manual 1 x Cleaning Cloth 1 x case