{"product_id":"hanna-instruments-hi11313-refillable-glass-body-ph-electrode-with-quick-connect-din-connector","title":"Hanna Instruments HI11313 Refillable Glass Body pH Electrode with Quick Connect DIN Connector","description":"\u003csection style=\"width: 100%; display: flex; justify-content: center; padding: 40px 20px; box-sizing: border-box; font-family: 'Open Sans', sans-serif; font-weight: 300;\"\u003e\n  \u003cdiv style=\"max-width: 1400px; width: 100%; display: flex; flex-direction: column; gap: 40px;\"\u003e\n\n    \u003c!-- Section 1: Electrode overview --\u003e\n    \u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; gap: 40px; border-bottom: 1px solid #e0e0e0; padding-bottom: 30px;\"\u003e\n      \u003cdiv style=\"flex: 1 1 500px; min-width: 300px;\"\u003e\n        \u003cp\u003e\n          \u003cstrong\u003eHanna’s HI11313 refillable glass pH electrode\u003c\/strong\u003e is built for reliable, general‑purpose measurements, combining high‑temperature (HT) glass, a spherical sensing bulb, glass body, single ceramic frit, and a double‑junction reference system. Filled with 3.5M KCl electrolyte, it provides stable, accurate pH readings across a wide range of laboratory applications.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- Section 2: HT glass + spherical tip --\u003e\n    \u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: flex-start; gap: 40px; border-bottom: 1px solid #e0e0e0; padding-bottom: 30px;\"\u003e\n      \u003cdiv style=\"flex: 1 1 500px; min-width: 300px;\"\u003e\n        \u003ch4 style=\"font-weight: 600; margin-bottom: 10px;\"\u003eHigh Temperature Glass Formulation\u003c\/h4\u003e\n        \u003cp\u003e\n          \u003cstrong\u003eHigh‑temperature glass improves electrode durability\u003c\/strong\u003e by resisting thermal stress that can shorten the life of standard pH bulbs. General‑purpose glass typically measures around 100 megaohms at 25 °C, while HT glass is closer to 400 megaohms at 25 °C, maintaining stability as temperatures rise. The HI11313 supports measurements from 0 to 100 °C, making it suitable for demanding sample conditions.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"flex: 1 1 500px; min-width: 300px;\"\u003e\n        \u003ch4 style=\"font-weight: 600; margin-bottom: 10px;\"\u003eSpherical Glass Tip\u003c\/h4\u003e\n        \u003cp\u003e\n          \u003cstrong\u003eThe spherical sensing bulb is ideal for general‑purpose pH testing\u003c\/strong\u003e, offering consistent contact with a wide variety of sample types. While conical tips are used for penetration and flat tips for surface measurements, the spherical design provides broad compatibility and dependable performance in routine laboratory work.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- Section 3: Glass body, junction, refillable, connector --\u003e\n    \u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: flex-start; gap: 40px; border-bottom: 1px solid #e0e0e0; padding-bottom: 30px;\"\u003e\n      \u003cdiv style=\"flex: 1 1 500px; min-width: 300px;\"\u003e\n        \u003ch4 style=\"font-weight: 600; margin-bottom: 10px;\"\u003eGlass Body Construction\u003c\/h4\u003e\n        \u003cp\u003e\n          \u003cstrong\u003eThe glass body is well‑suited for laboratory environments\u003c\/strong\u003e, offering chemical resistance and easy cleaning for consistent performance. Glass also promotes rapid heat transfer to the internal reference electrolyte, helping the reference potential stabilize quickly for steady, repeatable readings.\n        \u003c\/p\u003e\n\n        \u003ch4 style=\"font-weight: 600; margin: 20px 0 10px;\"\u003eSingle Ceramic Double Junction Reference\u003c\/h4\u003e\n        \u003cp\u003e\n          \u003cstrong\u003eThe HI11313 uses a double‑junction reference with a single ceramic frit\u003c\/strong\u003e to maintain a steady ion flow through the junction. The ceramic material integrates cleanly with the glass body and provides a typical flow rate of 15–20 µL\/hour, supporting stable readings while reducing clogging and contamination in challenging samples.\n        \u003c\/p\u003e\n\n        \u003ch4 style=\"font-weight: 600; margin: 20px 0 10px;\"\u003eRefillable Design\u003c\/h4\u003e\n        \u003cp\u003e\n          \u003cstrong\u003eThis electrode is refillable with HI7082 3.5M KCl solution\u003c\/strong\u003e, a silver‑free electrolyte suited to double‑junction designs. Without silver present, the risk of silver chloride buildup at the junction is minimized, helping prevent drift and ensuring long‑term measurement reliability.\n        \u003c\/p\u003e\n\n        \u003ch4 style=\"font-weight: 600; margin: 20px 0 10px;\"\u003eQuick Connect DIN Connector\u003c\/h4\u003e\n        \u003cp\u003e\n          \u003cstrong\u003eThe HI11313 features a Quick Connect DIN interface\u003c\/strong\u003e for fast, secure attachment to compatible Hanna meters such as the HI98190. This proprietary connector simplifies installation and removal while ensuring a stable electrical connection for accurate pH measurement.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- Section 4: Single vs double junction with image --\u003e\n    \u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; gap: 40px;\"\u003e\n      \u003cdiv style=\"flex: 1 1 500px; min-width: 300px;\"\u003e\n        \u003ch4 style=\"font-weight: 600; margin-bottom: 10px;\"\u003eSingle Junction Versus Double Junction pH Electrodes\u003c\/h4\u003e\n        \u003cp\u003e\n          \u003cstrong\u003eSingle‑junction electrodes typically use silver‑containing fill solutions\u003c\/strong\u003e such as HI7071 (3.5M KCl + AgCl). Under harsh conditions—high pressure, high temperature, or extreme pH—sample solution can migrate into the reference compartment, contaminating the electrode and causing unstable readings.\n        \u003c\/p\u003e\n        \u003cp\u003e\n          \u003cstrong\u003eDouble‑junction electrodes add an intermediate electrolyte chamber\u003c\/strong\u003e that physically separates the reference element from the sample. This design reduces contamination risk and minimizes silver chloride precipitation, helping prevent junction clogging and improving long‑term stability in samples containing Tris buffers or heavy metals.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"flex: 1 1 500px; min-width: 300px; display: flex; justify-content: center; align-items: center;\"\u003e\n        \u003cimg src=\"https:\/\/cdn2.hubspot.net\/hubfs\/2134380\/001-website\/images\/singlevsdoublejunction.jpg\" alt=\"Single Junction Versus Double Junction pH Electrodes\" style=\"max-width: 100%; height: auto; object-fit: contain; border-radius: 8px;\"\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\u003c\/section\u003e\n","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":52092335292714,"sku":"BTS-HI11313","price":224.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/hi11310_2_1__69457.1559321278.jpg?v=1784314546","url":"https:\/\/bluetigerscientific.com\/products\/hanna-instruments-hi11313-refillable-glass-body-ph-electrode-with-quick-connect-din-connector","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}