DIGITAL REFRACTOMETER (PORTABLE)

1. Waterproof
2. Automatic temperature compensation (ATC)
3. Temperature display
4. High/Low range limit alerts
5. Auto shut-off and a low battery indicator
6. Built – in Brix % and nD scales
7. Powered by Battery or AC

Also Look for 

1. HAND REFRACTOMETER
2. ALCOHOL METER
3. HONEY MOISTURE METER   
4. AUTOMATIC REFRACTOMETER