We have retired the Hydrometer and now use only refractometer. We have used them for 4+ years now.
Our clients that do their own battery maint. Are so impressed that we have sold quite a few to that crowd too. They are safer and less intrusive: you only use a drop of electrolyte. Faster to use than a Hydrometer. Appear to be a more accurate reading VS. the Hyd…. Will check propylene and eythethlene glycol concentrations. Are 1/10 as susceptible to getting broken in a work truck or situation. 1/3 the size of a hydrometer and live in a padded case. Calibrated to distilled H2O and we have never had to re-adjust the setting. And best of all they are easy to keep clean and do not drip battery acid for days even if the hydrometer is washed out. A hands down winner in my book - $100-125 at your local plumbing wholesale. You may want to get an extra plastic flap lid, we have had a couple come apart. Dana Orzel Great Solar Works, Inc www.solarwork.com E - d...@solarwork.com V - 970.626.5253 F - 970.626.4140 C - 970.209.4076 I will be the shift in how the world uses power! - Dana Orzel
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