<div dir="auto">David:</div><div dir="auto"><br></div><div dir="auto"><div style="font-size:inherit"><a href="https://www.misco.com/refractometer-applications/battery-refractometer/" style="font-size:inherit">https://www.misco.com/refractometer-applications/battery-refractometer/</a></div><div dir="auto"><br></div><div dir="auto">I use a narrow plastic pipette/dropper. I just suck the sample back out of the sample well after reading and squirt it back in the cell it came from. I don’t clean out the well. I figure if there is a trace amount of sample left over it will be diluted by a large factor compared to the volume of the next sample. </div><div dir="auto"><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><br>William Miller<br>Miller Solar.com<br>805-438-5600<br><a href="http://www.millersolar.com">www.millersolar.com</a><br></div></div></div><div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Mon, Jun 1, 2026 at 2:04 PM David Palumbo via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">




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Wrenches,</div>
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Looking for advice on digital electrolyte refractometers for testing lead acid specific gravity.</div>
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I have never used a digital refractometer. Only the old school refractometers that are not that easy to read accurately.</div>
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Digital units vary tremendously in price. And I'm wondering how difficult it is to clean/neutralize the chamber where the electrolyte drops go? I need to test multiple cells and get accurate readings on every cell.</div>
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Has anybody here used one of these, and can you share advice on this topic?</div>
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David Palumbo</div>
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Hyde Park, VT </div>
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