Refractometer issues/calibration

kevensquint

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Hi, I just want to be certain that I'm using the proper calibration solution for a ATC refractometer.(Pic included)
The reason is my refractometer with the drops of this solution only adjusts up to 1.025 max, then the blue slide starts to decrease. I cannot get the indicated 1.026 of this solution.
Assuming my current refractometer is toast, is the Pinpoint salinity moniter or a new refractometer a better choice for accurately measuring S.G ? Thanks

Screenshot_20170220-114403.png
 

Brew12

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Hi, I just want to be certain that I'm using the proper calibration solution for a ATC refractometer.(Pic included)
The reason is my refractometer with the drops of this solution only adjusts up to 1.025 max, then the blue slide starts to decrease. I cannot get the indicated 1.026 of this solution.
Assuming my current refractometer is toast, is the Pinpoint salinity moniter or a new refractometer a better choice for accurately measuring S.G ? Thanks

Screenshot_20170220-114403.png
I would never go without a refractometer. Salinity monitors are great but I would want an additional way to check their accuracy.
 

Randy Holmes-Farley

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I prefer conductivity to refractometers, and I've used and like the Pinpoint Salinity meter.

The standard is the way to confirm their accuracy. :)
 
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kevensquint

kevensquint

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The other elements in the seawater will not affect the results of a salinity meter?
 
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