{"product_id":"hanna-instruments-hi73311-spare-ec-tds-electrode-for-hi98311-hi98312","title":"Hanna Instruments HI73311 Spare EC\/TDS Electrode (for HI98311 \u0026 HI98312)","description":"\u003ch2 data-start=\"0\" data-end=\"81\"\u003e\u003cstrong data-start=\"3\" data-end=\"79\"\u003eHanna Instruments HI73311 Spare EC\/TDS Electrode (for HI98311 \u0026amp; HI98312)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"82\" data-end=\"182\"\u003e\u003cstrong data-start=\"82\" data-end=\"182\"\u003eReplacement Conductivity Sensor • Amperometric Graphite • Fast Swap for Accurate EC\/TDS Readings\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"184\" data-end=\"571\"\u003eThe Hanna Instruments HI73311 is the official replacement conductivity (EC) and TDS electrode for the HI98311 and HI98312 testers. If your EC\/TDS readings have become unstable, slow to respond, or hard to calibrate, replacing the sensor is a simple way to restore reliable performance—especially for routine water quality and nutrient-strength checks.\u003c\/p\u003e\n\u003cp data-start=\"573\" data-end=\"716\"\u003eThis spare electrode features an amperometric graphite sensor, designed for consistent conductivity measurements and reliable day-to-day testing.\u003c\/p\u003e\n\u003ch3 data-start=\"723\" data-end=\"755\"\u003e\u003cstrong data-start=\"727\" data-end=\"755\"\u003eCompatible Hanna Testers\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"756\" data-end=\"814\"\u003eThe \u003cstrong data-start=\"760\" data-end=\"771\"\u003eHI73311\u003c\/strong\u003e spare EC\/TDS electrode is compatible with:\u003c\/p\u003e\n\u003cul data-start=\"815\" data-end=\"874\"\u003e\n\u003cli data-start=\"815\" data-end=\"844\"\u003e\n\u003cp data-start=\"817\" data-end=\"844\"\u003e\u003cstrong data-start=\"817\" data-end=\"828\"\u003eHI98311\u003c\/strong\u003e EC\/TDS tester\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"845\" data-end=\"874\"\u003e\n\u003cp data-start=\"847\" data-end=\"874\"\u003e\u003cstrong data-start=\"847\" data-end=\"858\"\u003eHI98312\u003c\/strong\u003e EC\/TDS tester\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"876\" data-end=\"915\"\u003e\u003cem data-start=\"876\" data-end=\"915\"\u003e(Made specifically for these models.)\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"922\" data-end=\"964\"\u003e\u003cstrong data-start=\"926\" data-end=\"964\"\u003eWhy Replace Your EC\/TDS Electrode?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"965\" data-end=\"1175\"\u003e\n\u003cstrong data-start=\"965\" data-end=\"1006\"\u003e✔ Restores accuracy and response time\u003c\/strong\u003e\u003cbr data-start=\"1006\" data-end=\"1009\"\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"965\" data-end=\"1175\"\u003eEC\/TDS sensors can wear over time, especially when used in nutrient solutions or higher-mineral water. A fresh electrode helps bring back stable, repeatable readings.\u003c\/p\u003e\n\u003ch4 data-start=\"1177\" data-end=\"1326\"\u003e\n\u003cstrong data-start=\"1177\" data-end=\"1224\"\u003e✔ Simple spare part for routine maintenance\u003c\/strong\u003e\u003cbr data-start=\"1224\" data-end=\"1227\"\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"1177\" data-end=\"1326\"\u003eKeeping a spare electrode on hand helps reduce downtime and maintain a consistent testing workflow.\u003c\/p\u003e\n\u003ch4 data-start=\"1328\" data-end=\"1452\"\u003e\n\u003cstrong data-start=\"1328\" data-end=\"1362\"\u003e✔ Amperometric graphite sensor\u003c\/strong\u003e\u003cbr data-start=\"1362\" data-end=\"1365\"\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"1328\" data-end=\"1452\"\u003eDesigned for dependable EC and TDS measurements with compatible Hanna handheld testers.\u003c\/p\u003e\n\u003ch3 data-start=\"1459\" data-end=\"1487\"\u003e\u003cstrong data-start=\"1463\" data-end=\"1487\"\u003eWhat This Product Is\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1488\" data-end=\"1634\"\u003e\n\u003cli data-start=\"1488\" data-end=\"1572\"\u003e\n\u003cp data-start=\"1490\" data-end=\"1572\"\u003e\u003cstrong data-start=\"1490\" data-end=\"1502\"\u003eProduct:\u003c\/strong\u003e Spare amperometric graphite conductivity (EC) and TDS electrode\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1573\" data-end=\"1634\"\u003e\n\u003cp data-start=\"1575\" data-end=\"1634\"\u003e\u003cstrong data-start=\"1575\" data-end=\"1583\"\u003eUse:\u003c\/strong\u003e Replacement sensor for HI98311 \u0026amp; HI98312 testers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"3071\" data-start=\"3027\"\u003e\u003cstrong data-end=\"3071\" data-start=\"3030\"\u003eTechnical Specifications (Highlights)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"width: 100%; height: 195.938px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.3267%; height: 19.5938px;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"width: 66.3383%; height: 19.5938px;\"\u003eSpare EC\/TDS electrode (amperometric graphite)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.3267%; height: 19.5938px;\"\u003eMeasurements\u003c\/td\u003e\n\u003ctd style=\"width: 66.3383%; height: 19.5938px;\"\u003eConductivity (EC) and TDS (via compatible tester)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.3267%; height: 19.5938px;\"\u003eBody Material\u003c\/td\u003e\n\u003ctd style=\"width: 66.3383%; height: 19.5938px;\"\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.3267%; height: 19.5938px;\"\u003eSensor Material\u003c\/td\u003e\n\u003ctd style=\"width: 66.3383%; height: 19.5938px;\"\u003eGraphite (amperometric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.3267%; height: 19.5938px;\"\u003eMax Pressure\u003c\/td\u003e\n\u003ctd style=\"width: 66.3383%; height: 19.5938px;\"\u003e0.1 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.3267%; height: 19.5938px;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"width: 66.3383%; height: 19.5938px;\"\u003e-5 to 50°C (23 to 122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.3267%; height: 19.5938px;\"\u003eTemperture Sensor\u003c\/td\u003e\n\u003ctd style=\"width: 66.3383%; height: 19.5938px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.3267%; height: 19.5938px;\"\u003eAmplifier\u003c\/td\u003e\n\u003ctd style=\"width: 66.3383%; height: 19.5938px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.3267%; height: 19.5938px;\"\u003eCable\u003c\/td\u003e\n\u003ctd style=\"width: 66.3383%; height: 19.5938px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 33.3267%; height: 19.5938px;\"\u003eConnector\/Fit\u003c\/td\u003e\n\u003ctd style=\"width: 66.3383%; height: 19.5938px;\"\u003eReplaceable electrode module for HI98311\/HI98312 (snap-in\/plug-in style, no cable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.3267%;\"\u003eRecommend Use\u003c\/td\u003e\n\u003ctd style=\"width: 66.3383%;\"\u003eField applications, general purpose EC\/TDS testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":39964947054635,"sku":"hy06028000024","price":169.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5010\/4875\/products\/Hanna_Instruments_HI73311_Spare_EC_TDS_Electrode_for_HI98311_HI98312.jpg?v=1768493284","url":"https:\/\/canadagrowsupplies.com\/products\/hanna-instruments-hi73311-spare-ec-tds-electrode-for-hi98311-hi98312","provider":"Canada Grow Supplies","version":"1.0","type":"link"}