PCE-ALK is a handheld refractometer used to determine the % volume of alcohol content (vol%) of pure alcohols and alcoholic solutions. For best results, use this refractometer with sugar-free, pigment-free alcoholic solutions.

- Measurement range: 0 to 80% (% volume of alcohol content)
- Resolution: 1 vol% (0 ... 60 vol%); 2 vol% (60 ... 80 vol%)
- Accuracy: ±1%