{"product_id":"apera-indsen-2071m-i-ts-ai4593","title":"Apera IndSen 2071M-I-TS Iodide Ion\/Temperature Electrode (AI4593)","description":"\u003cdiv class=\"bts-r-page\" id=\"bts-ai4593-description\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;width:100%;max-width:1400px;margin:0 auto;color:#26332C;font-size:1rem;line-height:1.75;\"\u003e\n\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(20px,4vw,48px);border:1px solid #B7D0BF;background:#F1F7F3;border-radius:14px;\"\u003e\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;gap:clamp(24px,4vw,48px);\"\u003e\n\u003cdiv style=\"flex:1 1 340px;min-width:0;\"\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:.76rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#245B45;margin:0 0 12px;\"\u003eAPERA INSTRUMENTS \/ IndSen 2071M-I-TS \/ AI4593\u003c\/p\u003e\n\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eSelective for iodide.\u003cbr\u003eBuilt around the sample you measure.\u003c\/h2\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eThe Apera IndSen 2071M-I-TS combines an iodide-selective measuring element, reference system and temperature function for iodide-ion analysis in prepared aqueous samples and laboratory investigations. Choose this replacement electrode when your compatible meter needs a dedicated I⁻ sensor.\u003c\/p\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eThe iodide electrode is specified for 0.0635–12,690 mg\/L, sample pH 2–11 and 5–60°C. Use the stated sample limits and the correct ion method to select the sensor, then match it to the host meter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 340px;min-width:0;\"\u003e\u003cfigure style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;margin:0;min-width:0;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\" target=\"_blank\" rel=\"noopener\" aria-label=\"View larger: Apera IndSen 2071M combination-electrode family photograph; ion-selective membrane and cable configuration vary by model.\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\u0026amp;width=360 360w, https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\u0026amp;width=640 640w, https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\u0026amp;width=1000 1000w\" sizes=\"(max-width:600px) calc(100vw - 48px), 680px\" alt=\"Apera IndSen 2071M combination-electrode family photograph; ion-selective membrane and cable configuration vary by model.\" width=\"1600\" height=\"1600\" loading=\"lazy\" decoding=\"async\" style=\"display:block;width:100%;max-width:460px;height:auto;object-fit:contain;margin:0 auto;\"\u003e\u003c\/a\u003e\u003cfigcaption style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:.86rem;line-height:1.65;color:#5D6C63;margin-top:12px;\"\u003eApera IndSen 2071M combination-electrode family photograph; ion-selective membrane and cable configuration vary by model. Tap or click the image for a larger view.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003cdetails class=\"bts-r-selector\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;border:1px solid #FF931A;border-radius:10px;padding:0;margin:24px 0;background:#fff;\"\u003e\u003csummary style=\"display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px;background:#FF931A;color:#172b4d;cursor:pointer;border-radius:9px;font-weight:600;line-height:1.5;\"\u003e\u003cspan style=\"display:block;flex:1;min-width:0;\"\u003e\u003cspan style=\"display:block;font-size:clamp(17px,2.6vw,21px);font-weight:700;line-height:1.35;\"\u003eChoose your IndSen ion electrode\u003c\/span\u003e\u003cspan class=\"bts-r-closed\" style=\"display:block;font-size:.88rem;font-weight:400;line-height:1.55;margin-top:5px;\"\u003eClick or tap to compare your options\u003c\/span\u003e\u003cspan class=\"bts-r-open\" style=\"font-size:.88rem;font-weight:400;line-height:1.55;margin-top:5px;\"\u003eCompare below — click or tap here to close\u003c\/span\u003e\u003c\/span\u003e\u003cspan aria-hidden=\"true\" class=\"bts-r-toggle\" style=\"display:flex;align-items:center;justify-content:center;flex:0 0 38px;width:38px;height:38px;border:1px solid rgba(23,43,77,.35);border-radius:50%;background:#fff;font-size:27px;font-weight:400;line-height:1;\"\u003e\u003c\/span\u003e\u003c\/summary\u003e\u003cdiv class=\"bts-r-selector-inner\" style=\"padding:20px;\"\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eMatch the target ion first. Membrane chemistry and sample pH\/temperature limits vary across these combination electrodes. Host-meter connection and temperature support must also match.\u003c\/p\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:16px;\"\u003e\n\u003cdiv class=\"bts-r-model-card\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;gap:16px;align-items:center;flex:1 1 270px;min-width:0;padding:18px;border:1px solid #DCE6DF;border-radius:10px;background:#fff;color:#26332C;text-decoration:none;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\u0026amp;width=180\" alt=\"IndSen 2071M-NH-TS product reference\" width=\"90\" height=\"90\" loading=\"lazy\" style=\"width:90px;height:90px;object-fit:contain;flex:0 0 90px;\"\u003e\u003cspan style=\"display:block;min-width:0;\"\u003e\u003cstrong style=\"display:block;color:#245B45;font-size:1.08rem;line-height:1.4;\"\u003eIndSen 2071M-NH-TS\u003c\/strong\u003e\u003cspan style=\"display:block;font-size:.9rem;line-height:1.6;margin-top:5px;\"\u003eAmmonium (NH₄⁺) · 0.18–9000 mg\/L · Ultra-firm PVC\u003c\/span\u003e\u003cspan style=\"display:inline-block;margin-top:10px;color:#245B45;font-weight:600;font-size:.88rem;\"\u003eConfiguration comparison\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bts-r-model-card\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;gap:16px;align-items:center;flex:1 1 270px;min-width:0;padding:18px;border:1px solid #DCE6DF;border-radius:10px;background:#fff;color:#26332C;text-decoration:none;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\u0026amp;width=180\" alt=\"IndSen 2071M-NO-TS product reference\" width=\"90\" height=\"90\" loading=\"lazy\" style=\"width:90px;height:90px;object-fit:contain;flex:0 0 90px;\"\u003e\u003cspan style=\"display:block;min-width:0;\"\u003e\u003cstrong style=\"display:block;color:#245B45;font-size:1.08rem;line-height:1.4;\"\u003eIndSen 2071M-NO-TS\u003c\/strong\u003e\u003cspan style=\"display:block;font-size:.9rem;line-height:1.6;margin-top:5px;\"\u003eNitrate (NO₃⁻) · 0.62–62,000 mg\/L · Ultra-firm PVC\u003c\/span\u003e\u003cspan style=\"display:inline-block;margin-top:10px;color:#245B45;font-weight:600;font-size:.88rem;\"\u003eConfiguration comparison\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bts-r-model-card\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;gap:16px;align-items:center;flex:1 1 270px;min-width:0;padding:18px;border:1px solid #DCE6DF;border-radius:10px;background:#fff;color:#26332C;text-decoration:none;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\u0026amp;width=180\" alt=\"IndSen 2071M-CA-TS product reference\" width=\"90\" height=\"90\" loading=\"lazy\" style=\"width:90px;height:90px;object-fit:contain;flex:0 0 90px;\"\u003e\u003cspan style=\"display:block;min-width:0;\"\u003e\u003cstrong style=\"display:block;color:#245B45;font-size:1.08rem;line-height:1.4;\"\u003eIndSen 2071M-CA-TS\u003c\/strong\u003e\u003cspan style=\"display:block;font-size:.9rem;line-height:1.6;margin-top:5px;\"\u003eCalcium (Ca²⁺) · 0.20–4008 mg\/L · Ultra-firm PVC\u003c\/span\u003e\u003cspan style=\"display:inline-block;margin-top:10px;color:#245B45;font-weight:600;font-size:.88rem;\"\u003eConfiguration comparison\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bts-r-model-card\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;gap:16px;align-items:center;flex:1 1 270px;min-width:0;padding:18px;border:1px solid #DCE6DF;border-radius:10px;background:#fff;color:#26332C;text-decoration:none;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\u0026amp;width=180\" alt=\"IndSen 2071M-K-TS product reference\" width=\"90\" height=\"90\" loading=\"lazy\" style=\"width:90px;height:90px;object-fit:contain;flex:0 0 90px;\"\u003e\u003cspan style=\"display:block;min-width:0;\"\u003e\u003cstrong style=\"display:block;color:#245B45;font-size:1.08rem;line-height:1.4;\"\u003eIndSen 2071M-K-TS\u003c\/strong\u003e\u003cspan style=\"display:block;font-size:.9rem;line-height:1.6;margin-top:5px;\"\u003ePotassium (K⁺) · 10⁻⁶–1 mol\/L · Ultra-firm PVC\u003c\/span\u003e\u003cspan style=\"display:inline-block;margin-top:10px;color:#245B45;font-weight:600;font-size:.88rem;\"\u003eConfiguration comparison\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bts-r-model-card\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;gap:16px;align-items:center;flex:1 1 270px;min-width:0;padding:18px;border:1px solid #DCE6DF;border-radius:10px;background:#fff;color:#26332C;text-decoration:none;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\u0026amp;width=180\" alt=\"IndSen 2071M-F-TS product reference\" width=\"90\" height=\"90\" loading=\"lazy\" style=\"width:90px;height:90px;object-fit:contain;flex:0 0 90px;\"\u003e\u003cspan style=\"display:block;min-width:0;\"\u003e\u003cstrong style=\"display:block;color:#245B45;font-size:1.08rem;line-height:1.4;\"\u003eIndSen 2071M-F-TS\u003c\/strong\u003e\u003cspan style=\"display:block;font-size:.9rem;line-height:1.6;margin-top:5px;\"\u003eFluoride (F⁻) · 0.019–1900 mg\/L · Crystalline\u003c\/span\u003e\u003cspan style=\"display:inline-block;margin-top:10px;color:#245B45;font-weight:600;font-size:.88rem;\"\u003eConfiguration comparison\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bts-r-model-card\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;gap:16px;align-items:center;flex:1 1 270px;min-width:0;padding:18px;border:1px solid #DCE6DF;border-radius:10px;background:#fff;color:#26332C;text-decoration:none;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\u0026amp;width=180\" alt=\"IndSen 2071M-CL-TS product reference\" width=\"90\" height=\"90\" loading=\"lazy\" style=\"width:90px;height:90px;object-fit:contain;flex:0 0 90px;\"\u003e\u003cspan style=\"display:block;min-width:0;\"\u003e\u003cstrong style=\"display:block;color:#245B45;font-size:1.08rem;line-height:1.4;\"\u003eIndSen 2071M-CL-TS\u003c\/strong\u003e\u003cspan style=\"display:block;font-size:.9rem;line-height:1.6;margin-top:5px;\"\u003eChloride (Cl⁻) · 1.775–3550 mg\/L · Solid-state\u003c\/span\u003e\u003cspan style=\"display:inline-block;margin-top:10px;color:#245B45;font-weight:600;font-size:.88rem;\"\u003eConfiguration comparison\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bts-r-model-card\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;gap:16px;align-items:center;flex:1 1 270px;min-width:0;padding:18px;border:1px solid #DCE6DF;border-radius:10px;background:#fff;color:#26332C;text-decoration:none;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\u0026amp;width=180\" alt=\"IndSen 2071M-CU-TS product reference\" width=\"90\" height=\"90\" loading=\"lazy\" style=\"width:90px;height:90px;object-fit:contain;flex:0 0 90px;\"\u003e\u003cspan style=\"display:block;min-width:0;\"\u003e\u003cstrong style=\"display:block;color:#245B45;font-size:1.08rem;line-height:1.4;\"\u003eIndSen 2071M-CU-TS\u003c\/strong\u003e\u003cspan style=\"display:block;font-size:.9rem;line-height:1.6;margin-top:5px;\"\u003eCopper (Cu²⁺) · 0.032–6355 mg\/L · Solid-state\u003c\/span\u003e\u003cspan style=\"display:inline-block;margin-top:10px;color:#245B45;font-weight:600;font-size:.88rem;\"\u003eConfiguration comparison\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bts-r-model-card\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;gap:16px;align-items:center;flex:1 1 270px;min-width:0;padding:18px;border:1px solid #DCE6DF;border-radius:10px;background:#fff;color:#26332C;text-decoration:none;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\u0026amp;width=180\" alt=\"IndSen 2071M-BR-TS product reference\" width=\"90\" height=\"90\" loading=\"lazy\" style=\"width:90px;height:90px;object-fit:contain;flex:0 0 90px;\"\u003e\u003cspan style=\"display:block;min-width:0;\"\u003e\u003cstrong style=\"display:block;color:#245B45;font-size:1.08rem;line-height:1.4;\"\u003eIndSen 2071M-BR-TS\u003c\/strong\u003e\u003cspan style=\"display:block;font-size:.9rem;line-height:1.6;margin-top:5px;\"\u003eBromide (Br⁻) · 0.40–7990 mg\/L · Solid-state\u003c\/span\u003e\u003cspan style=\"display:inline-block;margin-top:10px;color:#245B45;font-weight:600;font-size:.88rem;\"\u003eConfiguration comparison\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bts-r-model-card\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;gap:16px;align-items:center;flex:1 1 270px;min-width:0;padding:18px;border:2px solid #FF931A;border-radius:10px;background:#FFF9F0;color:#26332C;text-decoration:none;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019.webp?v=1792430445\u0026amp;width=180\" alt=\"IndSen 2071M-I-TS product reference\" width=\"90\" height=\"90\" loading=\"lazy\" style=\"width:90px;height:90px;object-fit:contain;flex:0 0 90px;\"\u003e\u003cspan style=\"display:block;min-width:0;\"\u003e\u003cstrong style=\"display:block;color:#245B45;font-size:1.08rem;line-height:1.4;\"\u003eIndSen 2071M-I-TS\u003c\/strong\u003e\u003cspan style=\"display:block;font-size:.9rem;line-height:1.6;margin-top:5px;\"\u003eIodide (I⁻) · 0.0635–12,690 mg\/L · Solid-state\u003c\/span\u003e\u003cspan style=\"display:inline-block;margin-top:10px;color:#245B45;font-weight:600;font-size:.88rem;\"\u003eCurrent configuration\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eLinked cards open current store listings. Other cards compare configurations; they do not imply current storefront availability.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(28px,5vw,56px) 0;border-bottom:1px solid #B7D0BF;\"\u003e\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eKnow what you are ordering.\u003c\/h2\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eOne IndSen 2071M-I-TS combination iodide ion\/temperature electrode. Meter, calibration standards and sample-conditioning reagents are purchased separately.\u003c\/p\u003e\n\u003cdiv aria-label=\"Ordering detail table\" role=\"region\" tabindex=\"0\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;overflow-x:auto;width:100%;max-width:100%;\"\u003e\u003ctable style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;width:100%;border-collapse:collapse;font-size:1rem;border:1px solid #e0e0e0;table-layout:fixed;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\" style=\"background:#f5f5f5;text-align:left;padding:12px;font-size:1rem;font-weight:700;border:1px solid #e0e0e0;width:50%;overflow-wrap:anywhere;\"\u003eOrdering detail\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"background:#f5f5f5;text-align:left;padding:12px;font-size:1rem;font-weight:700;border:1px solid #e0e0e0;width:50%;overflow-wrap:anywhere;\"\u003eConfiguration\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003cth scope=\"row\" style=\"padding:12px;text-align:left;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;font-weight:600;overflow-wrap:anywhere;\"\u003eProduct\u003c\/th\u003e\n\u003ctd style=\"padding:12px;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;overflow-wrap:anywhere;\"\u003eIndSen 2071M-I-TS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003cth scope=\"row\" style=\"padding:12px;text-align:left;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;font-weight:600;overflow-wrap:anywhere;\"\u003eManufacturer part number\u003c\/th\u003e\n\u003ctd style=\"padding:12px;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;overflow-wrap:anywhere;\"\u003eAI4593\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003cth scope=\"row\" style=\"padding:12px;text-align:left;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;font-weight:600;overflow-wrap:anywhere;\"\u003eBlue Tiger SKU\u003c\/th\u003e\n\u003ctd style=\"padding:12px;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;overflow-wrap:anywhere;\"\u003eBTS-AI4593\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003cth scope=\"row\" style=\"padding:12px;text-align:left;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;font-weight:600;overflow-wrap:anywhere;\"\u003eOrder unit\u003c\/th\u003e\n\u003ctd style=\"padding:12px;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;overflow-wrap:anywhere;\"\u003eOne replacement electrode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(28px,5vw,56px) 0;border-bottom:1px solid #B7D0BF;\"\u003e\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;gap:clamp(24px,4vw,48px);\"\u003e\n\u003cdiv style=\"flex:1 1 320px;min-width:0;\"\u003e\n\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eUnderstand the\u003cbr\u003esolid-state sensing membrane.\u003c\/h2\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eThis iodide version uses a solid-state membrane. The manufacturer classification separates PVC, solid-state and crystalline sensors because different ions call for different sensing materials. PVC durability and storage claims should not be transferred to every membrane type.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 320px;min-width:0;\"\u003e\u003cfigure style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;margin:0;min-width:0;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-membranes-figure-20261019.webp?v=1792430108\" target=\"_blank\" rel=\"noopener\" aria-label=\"View larger: Apera manufacturer classification of ion-selective electrode membrane technologies.\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-membranes-figure-20261019.webp?v=1792430108\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-membranes-figure-20261019.webp?v=1792430108\u0026amp;width=360 360w, https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-membranes-figure-20261019.webp?v=1792430108\u0026amp;width=640 640w, https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-membranes-figure-20261019.webp?v=1792430108\u0026amp;width=1000 1000w\" sizes=\"(max-width:600px) calc(100vw - 48px), 680px\" alt=\"Apera manufacturer classification of ion-selective electrode membrane technologies.\" width=\"1521\" height=\"663\" loading=\"lazy\" decoding=\"async\" style=\"display:block;width:100%;max-width:560px;height:auto;object-fit:contain;margin:0 auto;\"\u003e\u003c\/a\u003e\u003cfigcaption style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:.86rem;line-height:1.65;color:#5D6C63;margin-top:12px;\"\u003eApera manufacturer classification of ion-selective electrode membrane technologies. Tap or click the image for a larger view.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(28px,5vw,56px) 0;border-bottom:1px solid #B7D0BF;\"\u003e\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;gap:clamp(24px,4vw,48px);\"\u003e\n\u003cdiv style=\"flex:1 1 320px;min-width:0;\"\u003e\u003cfigure style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;margin:0;min-width:0;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-architecture-figure-20261019.webp?v=1792430080\" target=\"_blank\" rel=\"noopener\" aria-label=\"View larger: Apera IndSen family construction diagram. The analog 2071M is shown on the right; digital and separate measuring versions are not included.\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-architecture-figure-20261019.webp?v=1792430080\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-architecture-figure-20261019.webp?v=1792430080\u0026amp;width=360 360w, https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-architecture-figure-20261019.webp?v=1792430080\u0026amp;width=640 640w, https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-architecture-figure-20261019.webp?v=1792430080\u0026amp;width=1000 1000w\" sizes=\"(max-width:600px) calc(100vw - 48px), 680px\" alt=\"Apera IndSen family construction diagram. The analog 2071M is shown on the right; digital and separate measuring versions are not included.\" width=\"1441\" height=\"1800\" loading=\"lazy\" decoding=\"async\" style=\"display:block;width:100%;max-width:560px;height:auto;object-fit:contain;margin:0 auto;\"\u003e\u003c\/a\u003e\u003cfigcaption style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:.86rem;line-height:1.65;color:#5D6C63;margin-top:12px;\"\u003eApera IndSen family construction diagram. The analog 2071M is shown on the right; digital and separate measuring versions are not included. Tap or click the image for a larger view.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 320px;min-width:0;\"\u003e\n\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eMeasuring element, reference\u003cbr\u003eand temperature function.\u003c\/h2\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eThe handbook diagram distinguishes IndSen 2071M analog combination electrodes from 2071S digital models and 1121M measuring electrodes. The analog 2071M branch is the relevant family here; the other architectures are shown for comparison.\u003c\/p\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eMatch the exact electrode connection and temperature support to the meter. A shared body shape or plug appearance is not sufficient to establish interchangeability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(28px,5vw,56px) 0;border-bottom:1px solid #B7D0BF;\"\u003e\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;gap:clamp(24px,4vw,48px);\"\u003e\n\u003cdiv style=\"flex:1 1 320px;min-width:0;\"\u003e\n\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eCalibrate for the sample.\u003cbr\u003eControl what affects stability.\u003c\/h2\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eCalibrate with suitable ion standards, then prepare standards and samples using the same method. The 400-series ion mode supports one- to three-point manual calibration; select appropriate points for the samples you expect.\u003c\/p\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eIonic strength, interfering ions, temperature, sample pH and deposits can affect the reading. Apera’s handbook checklist shows why electrode selection and sample preparation belong in the same workflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 320px;min-width:0;\"\u003e\u003cfigure style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;margin:0;min-width:0;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-stability-figure-20261019.webp?v=1792430094\" target=\"_blank\" rel=\"noopener\" aria-label=\"View larger: Manufacturer handbook checklist of factors affecting ISE measurement stability.\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-stability-figure-20261019.webp?v=1792430094\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-stability-figure-20261019.webp?v=1792430094\u0026amp;width=360 360w, https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-stability-figure-20261019.webp?v=1792430094\u0026amp;width=640 640w, https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ise-stability-figure-20261019.webp?v=1792430094\u0026amp;width=1000 1000w\" sizes=\"(max-width:600px) calc(100vw - 48px), 680px\" alt=\"Manufacturer handbook checklist of factors affecting ISE measurement stability.\" width=\"1521\" height=\"621\" loading=\"lazy\" decoding=\"async\" style=\"display:block;width:100%;max-width:560px;height:auto;object-fit:contain;margin:0 auto;\"\u003e\u003c\/a\u003e\u003cfigcaption style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:.86rem;line-height:1.65;color:#5D6C63;margin-top:12px;\"\u003eManufacturer handbook checklist of factors affecting ISE measurement stability. Tap or click the image for a larger view.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(28px,5vw,56px) 0;border-bottom:1px solid #B7D0BF;\"\u003e\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eCheck the sample window.\u003c\/h2\u003e\n\u003cdiv aria-label=\"Specification table\" role=\"region\" tabindex=\"0\" style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;overflow-x:auto;width:100%;max-width:100%;\"\u003e\u003ctable style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;width:100%;border-collapse:collapse;font-size:1rem;border:1px solid #e0e0e0;table-layout:fixed;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\" style=\"background:#f5f5f5;text-align:left;padding:12px;font-size:1rem;font-weight:700;border:1px solid #e0e0e0;width:50%;overflow-wrap:anywhere;\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\" style=\"background:#f5f5f5;text-align:left;padding:12px;font-size:1rem;font-weight:700;border:1px solid #e0e0e0;width:50%;overflow-wrap:anywhere;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003cth scope=\"row\" style=\"padding:12px;text-align:left;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;font-weight:600;overflow-wrap:anywhere;\"\u003eTarget ion\u003c\/th\u003e\n\u003ctd style=\"padding:12px;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;overflow-wrap:anywhere;\"\u003eIodide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003cth scope=\"row\" style=\"padding:12px;text-align:left;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;font-weight:600;overflow-wrap:anywhere;\"\u003eElectrode range\u003c\/th\u003e\n\u003ctd style=\"padding:12px;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;overflow-wrap:anywhere;\"\u003e0.0635–12,690 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003cth scope=\"row\" style=\"padding:12px;text-align:left;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;font-weight:600;overflow-wrap:anywhere;\"\u003eSample pH\u003c\/th\u003e\n\u003ctd style=\"padding:12px;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;overflow-wrap:anywhere;\"\u003e2–11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003cth scope=\"row\" style=\"padding:12px;text-align:left;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;font-weight:600;overflow-wrap:anywhere;\"\u003eElectrode temperature\u003c\/th\u003e\n\u003ctd style=\"padding:12px;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;overflow-wrap:anywhere;\"\u003e5–60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003cth scope=\"row\" style=\"padding:12px;text-align:left;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;font-weight:600;overflow-wrap:anywhere;\"\u003eMembrane\u003c\/th\u003e\n\u003ctd style=\"padding:12px;font-size:1rem;line-height:1.6;vertical-align:top;border:1px solid #e0e0e0;width:50%;overflow-wrap:anywhere;\"\u003eSolid-state\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eCondition and calibrate with the correct iodide standards. Maintain the specified pH and temperature window and control interfering ions. Measures iodide ions, not total iodine, iodate or iodine disinfectant residual.\u003c\/p\u003e\u003c\/section\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(28px,5vw,56px) 0;border-bottom:1px solid #B7D0BF;\"\u003e\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eCondition, rinse\u003cbr\u003eand store by electrode type.\u003c\/h2\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eFollow the instructions for this ion-selective electrode when conditioning, cleaning and storing it. Use appropriate standards to check response after maintenance. The measuring membrane and reference junction need contact with the prepared sample during measurement.\u003c\/p\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eThe PVC family uses solid-electrolyte technology; this does not remove the need for conditioning and calibration. Use model-specific care instructions rather than applying a general pH-probe soaking routine to every ISE.\u003c\/p\u003e\u003c\/section\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(28px,5vw,56px) 0;border-bottom:1px solid #B7D0BF;\"\u003e\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eMatch the meter\u003cbr\u003eand connection.\u003c\/h2\u003e\n\u003cfigure style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;margin:0;min-width:0;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-connector-guide-figure-20261019.webp?v=1792430175\" target=\"_blank\" rel=\"noopener\" aria-label=\"View larger: Apera catalog connector reference. Match the exact sensor, signal and temperature requirements; connector appearance alone is not a compatibility guarantee.\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-connector-guide-figure-20261019.webp?v=1792430175\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-connector-guide-figure-20261019.webp?v=1792430175\u0026amp;width=360 360w, https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-connector-guide-figure-20261019.webp?v=1792430175\u0026amp;width=640 640w, https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-connector-guide-figure-20261019.webp?v=1792430175\u0026amp;width=1000 1000w\" sizes=\"(max-width:600px) calc(100vw - 48px), 680px\" alt=\"Apera catalog connector reference. Match the exact sensor, signal and temperature requirements; connector appearance alone is not a compatibility guarantee.\" width=\"1515\" height=\"630\" loading=\"lazy\" decoding=\"async\" style=\"display:block;width:100%;max-width:900px;height:auto;object-fit:contain;margin:0 auto;\"\u003e\u003c\/a\u003e\u003cfigcaption style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:.86rem;line-height:1.65;color:#5D6C63;margin-top:12px;\"\u003eApera catalog connector reference. Match the exact sensor, signal and temperature requirements; connector appearance alone is not a compatibility guarantee. Tap or click the image for a larger view.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eCompare the current \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/apera-instruments-ion400-k-portable-potassium-ion-meter-kit\" style=\"color:#245B45;font-weight:600;text-decoration:underline;\"\u003eION400-K\u003c\/a\u003e, \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/apera-instruments-pion400-k-portable-ph-potassium-ion-meter-kit\" style=\"color:#245B45;font-weight:600;text-decoration:underline;\"\u003ePION400-K\u003c\/a\u003e, \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/apera-instruments-ion400-nh-portable-ammonium-ion-tan-meter-kit\" style=\"color:#245B45;font-weight:600;text-decoration:underline;\"\u003eION400-NH\u003c\/a\u003e and \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/apera-instruments-pion400-nh-portable-ph-ammonium-ion-tan-meter-kit\" style=\"color:#245B45;font-weight:600;text-decoration:underline;\"\u003ePION400-NH\u003c\/a\u003e platforms, then confirm this electrode’s target ion and supported connection.\u003c\/p\u003e\u003c\/section\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(28px,5vw,56px) 0;border-bottom:1px solid #B7D0BF;\"\u003e\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eCompare related products.\u003c\/h2\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003e\u003ca href=\"https:\/\/bluetigerscientific.com\/products\/apera-instruments-ion400-k-portable-potassium-ion-meter-kit\" style=\"color:#245B45;font-weight:600;text-decoration:underline;\"\u003eION400-K meter kit — ion-only platform\u003c\/a\u003e \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/apera-instruments-pion400-k-portable-ph-potassium-ion-meter-kit\" style=\"color:#245B45;font-weight:600;text-decoration:underline;\"\u003ePION400-K meter kit — pH\/ion platform\u003c\/a\u003e \u003ca href=\"https:\/\/bluetigerscientific.com\/products\/apera-602-flexible-electrode-holder-ai2810\" style=\"color:#245B45;font-weight:600;text-decoration:underline;\"\u003e602 flexible electrode holder — separate support\u003c\/a\u003e\u003c\/p\u003e\u003c\/section\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:28px 0;\"\u003e\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eIndSen 2071M-I-TS buyer questions\u003c\/h2\u003e\n\u003cdetails class=\"bts-r-faq\" style=\"border:1px solid #e0e0e0;border-radius:6px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-size:1rem;line-height:1.3;font-weight:600;padding:16px;cursor:pointer;\"\u003eWhat does the IndSen 2071M-I-TS measure?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eThis combination ion-selective electrode measures iodide ions (I⁻) in a suitably prepared aqueous sample. It requires a compatible ion meter.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-r-faq\" style=\"border:1px solid #e0e0e0;border-radius:6px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-size:1rem;line-height:1.3;font-weight:600;padding:16px;cursor:pointer;\"\u003eWhat is its iodide measuring range?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eApera specifies 0.0635–12,690 mg\/L for this ion-electrode family. Calibration, sample composition and interferences determine the practical working range.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-r-faq\" style=\"border:1px solid #e0e0e0;border-radius:6px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-size:1rem;line-height:1.3;font-weight:600;padding:16px;cursor:pointer;\"\u003eWhat temperature and pH conditions are required?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eThe specified electrode operating window is 5–60°C, with sample pH 2–11. Check both before selecting the sensor.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-r-faq\" style=\"border:1px solid #e0e0e0;border-radius:6px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-size:1rem;line-height:1.3;font-weight:600;padding:16px;cursor:pointer;\"\u003eIs a separate reference electrode needed?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eThe combination design integrates the ion-selective measuring element and reference system. A compatible meter, standards and any method-specific conditioning solutions are still needed.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-r-faq\" style=\"border:1px solid #e0e0e0;border-radius:6px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-size:1rem;line-height:1.3;font-weight:600;padding:16px;cursor:pointer;\"\u003eDoes it include temperature measurement?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eThe -TS configuration is the temperature-compensated version. Confirm the meter’s connection and temperature-sensor support before ordering; matching a plug alone is not sufficient.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-r-faq\" style=\"border:1px solid #e0e0e0;border-radius:6px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-size:1rem;line-height:1.3;font-weight:600;padding:16px;cursor:pointer;\"\u003eCan I use it to measure a different ion?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eNo. This version is selective for I⁻. Other ions require their own electrodes and calibration.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-r-faq\" style=\"border:1px solid #e0e0e0;border-radius:6px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-size:1rem;line-height:1.3;font-weight:600;padding:16px;cursor:pointer;\"\u003eDoes this measure a total concentration?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eMeasures iodide ions, not total iodine, iodate or iodine disinfectant residual.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-r-faq\" style=\"border:1px solid #e0e0e0;border-radius:6px;margin:0 0 10px;background:#fff;\"\u003e\u003csummary style=\"font-size:1rem;line-height:1.3;font-weight:600;padding:16px;cursor:pointer;\"\u003eWhat should I prepare before first use?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 4px;\"\u003e\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eObtain suitable iodide calibration standards, follow the electrode conditioning instructions, and apply the method’s pH, ionic-strength and interference controls. This listing is for the electrode, not a complete meter kit.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003c\/section\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:28px;background:#F1F7F3;border:1px solid #B7D0BF;border-radius:12px;\"\u003e\u003ch2 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:clamp(24px,4vw,34px);font-weight:600;line-height:1.2;letter-spacing:-.02em;color:#245B45;margin:0 0 20px;\"\u003eConfirm the exact configuration before ordering.\u003c\/h2\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eReview IndSen 2071M-I-TS AI4593 against your measurement method, sample limits and host connection. Return to the price and ordering controls when the configuration fits your work.\u003c\/p\u003e\n\u003ca href=\"#\" style=\"color:#245B45;font-weight:600;text-decoration:underline;\"\u003eBack to price and ordering ↑\u003c\/a\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Apera Instruments","offers":[{"title":"Default Title","offer_id":53026163753258,"sku":"BTS-AI4593","price":420.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-indsen-photo-square-final-20261019_75e004ac-28d2-45f7-a64e-05d91f25ca88.webp?v=1792431061","url":"https:\/\/bluetigerscientific.com\/products\/apera-indsen-2071m-i-ts-ai4593","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}