YIERYI 58~90% Brix 38~43 Be Baume Honey Refractometer ATC Portable Honey Refractometer Beekeeping Tester
- Adjustable manual focusing
- Equipped with scale measurement which provides direct reading
- Heavy-duty and lightweight with its aluminum construction
- Use ambient light only which means battery or power source is not required
- With Built-in ATC (Automatic Temperature Compensation) from 10~30 degree Celsius.
- Durable and bulit to last long
- Extremely easy-to-use and calibrate
