ATAGO PEN-SW(W) Digital Hand-held "PEN" Salinity Refractometer

The PEN-SW(W) is suitable for measuring the concentration of salt in water. The unit of measurement is in g/100g.

Model PEN-SW(W)
Cat.No. 3756
Scale Salinity (g/100g)
Measurement Range Salinity (g/100g) : 0.0 to 28.0%
(Automatic Temperature Compensation)
Resolution Salinity (g/100g) : 0.1%
Measurement Accuracy ±0.2%
Temperature compensation range 10 to 40℃
Ambient Temperature 10 to 40℃
Liquid Sample Temperature 10 to 100℃
Power Supply 1 × Size AAA alkaline battery
Battery Life About 8,000 measurements with new alkaline batteries.
International Protection Class IP65 Dust-tight and Protected against water jets.
Prism head IP67 Dust-tight and Protected against the effects of temporary immersion in water.
Dimensions & Weight 16×3.8×1.8cm, 70g (Main Unit only)

Patent for Design Registration No. ZL200830008615.4 (China), D127363 (Taiwan)
Patent pending in all other countries around the world.


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