Salinity Refractometer - Economy Whirl Pak Bags stability indicator and temperature readings

stability indicator and temperature readings in either °C or °F

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

Measuring Tape

Two exterior pen holders

Elastic waist

Salinity Refractometer - Economy Whirl Pak Bags stability indicator and temperature readingsProduct 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.