{"product_id":"apera-tn400-s2-sample-vials-3-pack","title":"Apera TN400-S2 Sample Vials with Caps, Pack of 3 (AI4202)","description":"\u003cdiv 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;\" id=\"bts-ai4202-description\"\u003e\n\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:clamp(20px,4vw,40px);background:#F1F7F3;border:1px solid #B7D0BF;border-radius:12px;\"\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;flex-wrap:wrap;align-items:center;gap:clamp(24px,4vw,48px);\"\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;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 \/ AI4202\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;\"\u003eKeep replacement sample vials ready for your TN400.\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;\"\u003eTN400-S2 supplies three replacement sample vials with caps for Apera turbidity testing. Use them to hold samples for measurement, not as prefilled calibration standards. Confirm the exact meter before ordering for any model other than TN400.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;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\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ai4202-1.webp?v=1792365145\" alt=\"Three Apera TN400-S2 sample vials with black caps, front view\" width=\"300\" height=\"200\" loading=\"eager\" style=\"display:block;width:100%;max-width:300px;height:auto;object-fit:contain;margin:0 auto;box-sizing:border-box;\"\u003e\u003cfigcaption style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:.82rem;line-height:1.55;color:#5D6C63;text-align:center;margin-top:10px;\"\u003eManufacturer photograph of the three-vial TN400-S2 pack.\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;\"\u003eWhy choose this accessory?\u003c\/h2\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;flex-wrap:wrap;gap:16px;\"\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;flex:1 1 240px;min-width:0;padding:24px;background:#fff;border:1px solid #DCE6DF;border-radius:10px;\"\u003e\n\u003ch3 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1.07rem;font-weight:600;color:#245B45;margin:0 0 12px;\"\u003eThree vials with caps\u003c\/h3\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;\"\u003eReplace worn sample containers or keep additional vials available for your sampling workflow. The manufacturer supplies this accessory as a three-pack.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;flex:1 1 240px;min-width:0;padding:24px;background:#fff;border:1px solid #DCE6DF;border-radius:10px;\"\u003e\n\u003ch3 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1.07rem;font-weight:600;color:#245B45;margin:0 0 12px;\"\u003eIdentify each vial\u003c\/h3\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 manufacturer photographs show numbered caps. Keep each cap with its corresponding vial and follow the meter manual for vial selection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;flex:1 1 240px;min-width:0;padding:24px;background:#fff;border:1px solid #DCE6DF;border-radius:10px;\"\u003e\n\u003ch3 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1.07rem;font-weight:600;color:#245B45;margin:0 0 12px;\"\u003ePrepare the optical surface\u003c\/h3\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;\"\u003eA clean, dry vial exterior matters in turbidity measurement. Avoid fingerprints, smudges and scratches on the optical surface.\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=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;flex-wrap:wrap;align-items:center;gap:clamp(24px,4vw,48px);\"\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;flex:1 1 340px;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;\"\u003eSee the actual product and connection context.\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;\"\u003eAlternate manufacturer view showing the numbered vial caps.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;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\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ai4202-2.webp?v=1792365145\" alt=\"Apera TN400-S2 three-vial set, angled view of numbered caps\" width=\"300\" height=\"200\" loading=\"eager\" style=\"display:block;width:100%;max-width:300px;height:auto;object-fit:contain;margin:0 auto;box-sizing:border-box;\"\u003e\u003cfigcaption style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:.82rem;line-height:1.55;color:#5D6C63;text-align:center;margin-top:10px;\"\u003eAlternate manufacturer view showing the numbered vial caps.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003cdetails id=\"bts-ai4202-guide\" style=\"margin-top:28px;border:1px solid #FF931A;border-radius:10px;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;box-sizing:border-box;font-size:1rem;line-height:1.4;font-weight:600;cursor:pointer;background:#FF931A;padding:18px;border-radius:9px;\"\u003eWhich existing setup does this accessory support?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:18px;\"\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;\"\u003eCURRENT ITEM: AI4202\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;\"\u003eThese are documented parent-meter workflows, not meters supplied with this accessory. Match the part number and required calibration or vial procedure.\u003c\/p\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;flex-wrap:wrap;gap:14px;\"\u003e\u003ca style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:block;flex:1 1 220px;min-width:0;padding:18px;background:#fff;border:1px solid #B7D0BF;border-radius:8px;text-decoration:none;color:#26332C;\" href=\"https:\/\/bluetigerscientific.com\/products\/apera-instruments-tn400-portable-turbidity-meter-iso-7027-compliant\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-tn400-hero-20261017-mfr.webp?v=1792254859\" alt=\"Apera TN400 Portable Infrared Turbidity Meter (ISO 7027)\" loading=\"eager\" width=\"105\" height=\"105\" style=\"display:block;width:105px;height:105px;object-fit:contain;margin:0 auto 12px;\"\u003e\u003ch3 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1.06rem;line-height:1.25;font-weight:600;color:#245B45;margin:0 0 8px;\"\u003eTN400\u003c\/h3\u003e\n\u003cp style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:.78rem;font-weight:600;color:#245B45;margin:0 0 8px;\"\u003eRelated workflow\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;\"\u003eParent turbidity meter. The meter and other accessories are separate from this order.\u003c\/p\u003e\n\u003cspan style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-weight:600;color:#245B45;text-decoration:underline;\"\u003eView product\u003c\/span\u003e\u003c\/a\u003e\u003c\/div\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;\"\u003eTypical applications\u003c\/h2\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;display:flex;flex-wrap:wrap;gap:16px;\"\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;flex:1 1 240px;min-width:0;padding:24px;background:#fff;border:1px solid #DCE6DF;border-radius:10px;\"\u003e\n\u003ch3 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1.07rem;font-weight:600;color:#245B45;margin:0 0 12px;\"\u003eReplacement sample containers\u003c\/h3\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;\"\u003eUse with TN400 turbidity measurements when you need replacement capped vials. This listing does not include a meter or standards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;flex:1 1 240px;min-width:0;padding:24px;background:#fff;border:1px solid #DCE6DF;border-radius:10px;\"\u003e\n\u003ch3 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1.07rem;font-weight:600;color:#245B45;margin:0 0 12px;\"\u003eCleaning between samples\u003c\/h3\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;\"\u003eFor reused sample vials, the TN400 manual directs detergent cleaning inside and outside, repeated distilled or deionized water rinses, then two rinses with the next sample before filling and closing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;flex:1 1 240px;min-width:0;padding:24px;background:#fff;border:1px solid #DCE6DF;border-radius:10px;\"\u003e\n\u003ch3 style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;font-size:1.07rem;font-weight:600;color:#245B45;margin:0 0 12px;\"\u003eConsistent sample preparation\u003c\/h3\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 TN400 procedure for gentle mixing and a 2 to 5 minute wait for bubbles to clear. This sample preparation is different from handling sealed nonzero calibration standards.\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\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;\"\u003eWhat this order supplies\u003c\/h2\u003e\n\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;width:100%;max-width:100%;min-width:0;\"\u003e\u003ctable style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;width:100%;table-layout:fixed;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;text-align:left;background:#F1F7F3;font-weight:600;border:1px solid #B7D0BF;overflow-wrap:anywhere;\"\u003eOrder detail\u003c\/th\u003e\n\u003cth style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;text-align:left;background:#F1F7F3;font-weight:600;border:1px solid #B7D0BF;overflow-wrap:anywhere;\"\u003eConfiguration\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eManufacturer catalog\u003c\/td\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eAI4202\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eBlue Tiger SKU\u003c\/td\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eBTS-AI4202\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eOrder unit\u003c\/td\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eOne pack of three sample vials with caps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eNot included\u003c\/td\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eMeter, calibration solutions, silicone oil and cleaning cloth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eModel check\u003c\/td\u003e\n\u003ctd style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:12px;border:1px solid #B7D0BF;vertical-align:top;overflow-wrap:anywhere;\"\u003eTN400-S2 three-pack, not the T500-3 six-vial set\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\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;\"\u003eUse the correct setup and care procedure.\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;\"\u003eBefore ordering, confirm TN400-S2 and your meter model. This is a three-vial accessory pack, not the six-vial set described in current parent-meter kit documentation.\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;\"\u003eFollow the meter manual for vial cleaning, cap matching, sample preparation and exterior oil treatment. Handle the cap and base to avoid fingerprints on the vial wall.\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;\"\u003eFor warranty information or return authorization, contact Blue Tiger Scientific before sending any item. Do not assume that the parent meter warranty applies to a separately purchased accessory.\u003c\/p\u003e\u003c\/section\u003e\u003csection style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;padding:30px 0;line-height:1.2;\" id=\"bts-ai4202-faq\"\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;\"\u003eAI4202 buyer questions\u003c\/h2\u003e\n\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;background:#fff;margin:0 0 10px;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-size:1rem;font-weight:600;line-height:1.2;padding:16px;cursor:pointer;box-sizing:border-box;\"\u003eHow many vials are included?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;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;\"\u003eOne pack contains three sample vials with caps. The three-pack is the order unit, not one individual vial.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;background:#fff;margin:0 0 10px;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-size:1rem;font-weight:600;line-height:1.2;padding:16px;cursor:pointer;box-sizing:border-box;\"\u003eIs TN400-S2 intended for the TN400?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;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;\"\u003eYes. Apera identifies the TN400 on the exact product page title and lists TN400-S2 among the TN400 accessories. For another meter, confirm the exact replacement part rather than assuming universal cuvette fit.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;background:#fff;margin:0 0 10px;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-size:1rem;font-weight:600;line-height:1.2;padding:16px;cursor:pointer;box-sizing:border-box;\"\u003eAre these vials filled with turbidity standards?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;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. These are replacement sample vials, not prefilled calibration standards. Order the appropriate calibration solutions separately.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;background:#fff;margin:0 0 10px;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-size:1rem;font-weight:600;line-height:1.2;padding:16px;cursor:pointer;box-sizing:border-box;\"\u003eAre TN400-S2 and T500-3 the same pack?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;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. TN400-S2 is a three-pack. The current TN400 manual lists T500-3 as a six-vial replacement set, so do not use that pack quantity as the contents of this listing.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;background:#fff;margin:0 0 10px;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-size:1rem;font-weight:600;line-height:1.2;padding:16px;cursor:pointer;box-sizing:border-box;\"\u003eHow should I clean a reused sample vial?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;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;\"\u003eFollow the TN400 manual: clean inside and outside with detergent, rinse repeatedly with distilled or deionized water, then rinse twice with the sample before filling and closing the cap. Do not apply this interior-cleaning procedure to sealed nonzero standard vials.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;background:#fff;margin:0 0 10px;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-size:1rem;font-weight:600;line-height:1.2;padding:16px;cursor:pointer;box-sizing:border-box;\"\u003eShould the cap and vial stay together?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;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;\"\u003eYes. Keep numbered caps matched to the corresponding vials. The meter manual gives additional vial-selection guidance for low-turbidity work; follow it rather than treating every vial as interchangeable for every test.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;background:#fff;margin:0 0 10px;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-size:1rem;font-weight:600;line-height:1.2;padding:16px;cursor:pointer;box-sizing:border-box;\"\u003eDo I add silicone oil to the sample?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;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. The documented oil procedure is for the outside surface of the capped vial. Use a small drop, distribute it with a lint-free cloth and remove excess as directed by the meter manual.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #B7D0BF;border-radius:8px;background:#fff;margin:0 0 10px;\"\u003e\u003csummary style=\"font-family:Open Sans,sans-serif;font-size:1rem;font-weight:600;line-height:1.2;padding:16px;cursor:pointer;box-sizing:border-box;\"\u003eWhat should I check before taking a reading?\u003c\/summary\u003e\u003cdiv style=\"font-family:'Open Sans',sans-serif;font-weight:300;box-sizing:border-box;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;\"\u003eCheck that the vial is clean, dry on the outside and free of fingerprints or damaging scratches. Follow the meter procedure for sample mixing, bubble removal, vial positioning and closing the meter cover.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Apera Instruments","offers":[{"title":"Default Title","offer_id":53014314713386,"sku":"BTS-AI4202","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ai4202-1.webp?v=1792365145","url":"https:\/\/bluetigerscientific.com\/products\/apera-tn400-s2-sample-vials-3-pack","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}