Key Features:
– Provides accurate salinity readings in Specific
Gravity (d 20/20) and Parts-per-thousand (PPT)
– Automatic Temperature Compensation (ATS)
– Easy-focus adjustable Eyepiece
– For Brackish and Marine aquarium
– Easy to calibrate
– 31cm x 15.5cm x 14cm

How to use:
Step 1. Using the Dropper, place a few drops of the water sample to be tested onto the Prism.
Step 2. Close the Daylight Diffuser Cover and hold daylight plate in the direction of a light source to check reading. Take the reading of he salinity at the ‘refracted line’ on the graduated scale.