div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader043fdocumentsnetreader043viewer20220403105f36c2b69406f716123eac25html5page1jpg target=_blank img data-url=documenthalo-bt-ph-manual-hanna-the-probe-the-blue-led-halo-will-begin-to-flash-in-halfhtmlpage=1 data-page=1 class=trans-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsnetreader043viewer20220403105f36c2b69406f716123eac25html5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader043fdocumentsnetreader043viewer20220403105f36c2b69406f716123eac25html5page2jpg target=_blank img data-url=documenthalo-bt-ph-manual-hanna-the-probe-the-blue-led-halo-will-begin-to-flash-in-halfhtmlpage=2 data-page=2 class=trans-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsnetreader043viewer20220403105f36c2b69406f716123eac25html5thumbnails2jpg width=140 height=200 adivdiv