{"product_id":"replacement-do-membrane-caps-for-hi-76407-series-polargraphic-dissolved-oxygen-probes-5-pk-hanna-instruments-hi76407a-p","title":"Replacement DO Membrane Caps for HI 76407-series Polargraphic Dissolved Oxygen Probes, 5\/PK, Hanna Instruments, HI76407A\/P","description":"\u003cp\u003e\u003cstrong\u003eHanna Instruments® Replacement DO Membrane Caps for HI 76407-series Polargraphic Dissolved Oxygen Probes, 5\/PK, Hanna Instruments, HI76407A\/P\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePre-assembled, ready-to-use, screw-on replacement membrane caps for Polarographic HI 76407 (\u003cspan style=\"text-decoration:\" underline\u003e\u003cspan style=\"color:\"\u003e\u003cspan\u003e91-6403-03\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e) and HI764073 (\u003cspan style=\"text-decoration:\" underline\u003e\u003cspan style=\"color:\"\u003e\u003cspan\u003e90-6400-84\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e) Dissolved Oxygen Probes\u003c\/li\u003e \u003cli\u003eCaps are constructed of durable ABS plastic with polytetrafluoroethylene (PTFE) oxygen permeable membranes\u003c\/li\u003e \u003cli\u003eMembranes separate probe's cathode and anode from the water being measured\u003c\/li\u003e \u003cli\u003eOxygen diffuses across the membrane and interacts with the polarographic system to produce current proportional to oxygen concentration\u003c\/li\u003e \u003cli\u003eSupplied in a kit of 5 membrane caps\u003c\/li\u003e \u003cli\u003eRefilling electrolyte solution must be purchased separately HI7041S (\u003cspan style=\"text-decoration:\" underline\u003e\u003cspan style=\"color:\"\u003e\u003cspan\u003e90-6400-81\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"PK (1)","offer_id":51110928875835,"sku":"90-6400-82-PK","price":104.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/2041\/6571\/files\/90-6400-82_1faef399-1039-488a-b72e-fd95c88f4c30.png?v=1784704781","url":"https:\/\/preiser.com\/products\/replacement-do-membrane-caps-for-hi-76407-series-polargraphic-dissolved-oxygen-probes-5-pk-hanna-instruments-hi76407a-p","provider":"Preiser Scientific","version":"1.0","type":"link"}