Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Is it an ATC refractometer?
Even so, if you do not calibrate it with a 35 ppt seawater standard at 60 deg F, I would not assume it is accurate at 60 degrees.
Randy can you explain this a little more. I always get confused over this too. On my refractometer which is atc it reads 35 ppt all the time but sometimes it is 1.026 and sometimes it is 1.027.
I did buy a salinity monitor from pinpoint. How accurate are those. The monitor reads 52.4, 53, and sometimes 54 on the various standard solutions that I have purchased from pinpoint itself.
Should I always read only in ppt because that is constant and does not change with temp. To take the temperature affect out which reading will give me consistent results.
So how can one measure right salinity at all temps. Its hard to have water at 70 degrees at all times. Bucket is 65, then after heating 78. The tank itself is 78. So see the variations in temps. If lights are on temp is 80. It is all over the place.
Tell us how to measure accurate salinity at any given time of day.