div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader043vdocumentsusreader043viewer20220403105f36c2b69406f716123eac25html5page1jpg target=_blank img data-url=halo-bt-ph-manual-hanna-the-probe-the-blue-led-halo-will-begin-to-flash-in-halfhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: HALO BT pH Manual - Hanna InstrumentsshophannasingaporecommediapdfHALO-BT-pH-Manualpdf · the probe The blue LED halo will begin to flash in half second intervals indicating loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsusreader043viewer20220403105f36c2b69406f716123eac25html5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader043vdocumentsusreader043viewer20220403105f36c2b69406f716123eac25html5page2jpg target=_blank img data-url=halo-bt-ph-manual-hanna-the-probe-the-blue-led-halo-will-begin-to-flash-in-halfhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: HALO BT pH Manual - Hanna InstrumentsshophannasingaporecommediapdfHALO-BT-pH-Manualpdf · the probe The blue LED halo will begin to flash in half second intervals indicating loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsusreader043viewer20220403105f36c2b69406f716123eac25html5thumbnails2jpg width=140 height=200 adivdiv