Salinity Refractometer - Economy Whirl Pak Bags Elastic waist

Elastic waist

Their compact 2¼ × 3½ in

Features button click for count confirmation and recessed "no-accident" reset

temp comp range -5 to 50°C

Lifa® moves moisture away from your skin and makes sure you stay dry while you work hard and sweat

Salinity Refractometer - Economy Whirl Pak Bags Elastic waistProduct Code: SR5E Here's an automatic, temperature compensated salinity refractometer. It has automatic temperature correction from 50 86 F (10 30 C) and a dual scale reading 0 100 ppt and 1. 0000 1. 070 specific gravity. Each refractometer is tested to ensure an accurate instrument, even at this low price. Includes Hard Shelled Case.