div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=adobe-photoshop-pdf-accuref-copper-i-copper-sulfate-permanent-reference-electrodehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Adobe Photoshop PDF · ACCUREF Copper I Copper Sulfate Permanent Reference Electrode FEATURES Electrodes are buried directly with native soil backfill — no need for loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentinreader035viewer20220712196056c00faf3e033ed27c79a9html5thumbnails1jpg width=140 height=200 divdiv