{"product_id":"apera-indsen-2071m-br-ts-ai4586","title":"Apera IndSen 2071M-BR-TS Bromide Ion\/Temperature Electrode (AI4586)","description":"\u003cdiv class=\"bts-r-page\" id=\"bts-ai4586-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-BR-TS \/ AI4586\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 bromide.\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-BR-TS combines a bromide-selective measuring element, reference system and temperature function for bromide-ion analysis in aqueous laboratory samples and process-water methods. Choose this replacement electrode when your compatible meter needs a dedicated Br⁻ 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 bromide electrode is specified for 0.40–7990 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: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-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;\"\u003eCurrent configuration\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-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;\"\u003eConfiguration comparison\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-BR-TS combination bromide 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-BR-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;\"\u003eAI4586\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-AI4586\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 bromide 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;\"\u003eBromide\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;\"\u003e0.40–7990 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 bromide standards. Maintain the specified pH and temperature window and control interfering ions. Measures bromide ions, not bromine disinfectant residual, free bromine or total bromine.\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-BR-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-BR-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 bromide ions (Br⁻) 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 bromide 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 0.40–7990 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 Br⁻. 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 bromide ions, not bromine disinfectant residual, free bromine or total bromine.\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 bromide 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-BR-TS AI4586 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":53026158706986,"sku":"BTS-AI4586","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_3d89045e-927b-49f1-8ff5-f753536bddb7.webp?v=1792431055","url":"https:\/\/bluetigerscientific.com\/products\/apera-indsen-2071m-br-ts-ai4586","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}