{"product_id":"apera-usb-power-adapter-for-tn500-and-tn420-turbidity-meters-ai2519","title":"Apera USB Power Adapter for TN500 and TN420 Turbidity Meters (AI2519)","description":"\u003cdiv class=\"bts-current-page\" style=\"font-family:'Open Sans',sans-serif;box-sizing:border-box;max-width:1400px;margin:auto;width:100%;font-weight:300;line-height:1.75;color:#26332C;\"\u003e\n\u003cstyle\u003e.bts-current-page *{box-sizing:border-box}.bts-current-page img{max-width:100%}.bts-current-page a:focus-visible,.bts-current-page summary:focus-visible{outline:3px solid #245B45;outline-offset:3px}.bts-chooser[open]\u003esummary{border-bottom:1px solid #FF931A}@media(max-width:480px){.bts-related-card{gap:12px!important;padding:14px!important}.bts-related-card img{width:72px!important;height:72px!important;flex-basis:72px!important}}\u003c\/style\u003e\n\u003csection style=\"padding:clamp(22px,4vw,46px);border:1px solid #B7D0BF;background:#F1F7F3;border-radius:14px;\"\u003e\u003cdiv style=\"display:flex;flex-wrap:wrap;align-items:center;gap:28px;\"\u003e\n\u003cdiv style=\"flex:1 1 300px;min-width:0;\"\u003e\n\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eAPERA INSTRUMENTS \/ USB Power Adapter \/ AI2519\u003c\/p\u003e\n\u003ch2 style=\"font-size:clamp(23px,3.5vw,32px);line-height:1.25;color:#245B45;font-weight:600;margin:0 0 18px;\"\u003ePower your turbidity meter.\u003cbr\u003eChoose the specified adapter.\u003c\/h2\u003e\n\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eReplace or add the USB power adapter specified by Apera for TN500 and TN420 turbidity meters. The AI2519 adapter provides DC 5 V, 1.0 A output from a 100–240 V AC input.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure style=\"flex:1 1 300px;min-width:0;margin:0;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ai2519-square-20261019.webp?v=1792441777\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ai2519-square-20261019.webp?v=1792441777\" alt=\"Apera USB Power Adapter for TN500 and TN420 Turbidity Meters (AI2519)\" width=\"1600\" height=\"1600\" loading=\"lazy\" sizes=\"(max-width:600px) calc(100vw - 48px), 560px\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ai2519-square-20261019.webp?v=1792441777\u0026amp;width=360 360w, https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ai2519-square-20261019.webp?v=1792441777\u0026amp;width=640 640w, https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ai2519-square-20261019.webp?v=1792441777\u0026amp;width=1000 1000w\" style=\"width:100%;height:auto;max-width:520px;object-fit:contain;\"\u003e\u003c\/a\u003e\u003cfigcaption style=\"font-size:.85rem;line-height:1.6;\"\u003eUSB Power Adapter · 1 adapter.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003cdetails class=\"bts-chooser\" style=\"border:1px solid #FF931A;border-radius:10px;margin:24px 0;overflow:hidden;\"\u003e\u003csummary style=\"padding:20px;background:#FF931A;color:#172b4d;cursor:pointer;font-size:1.15rem;font-weight:600;\"\u003eChoose your compatible turbidity meter\u003c\/summary\u003e\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:16px;padding:20px;\"\u003e\n\u003ca class=\"bts-related-card\" href=\"https:\/\/bluetigerscientific.com\/products\/apera-instruments-tn500-portable-white-light-turbidity-meter-with-glp-data-logger-epa-180-1-compliant\" style=\"display:flex;align-items:center;gap:16px;flex:1 1 280px;min-width:0;padding:18px;border:1px solid #DCE6DF;border-radius:10px;color:#26332C;text-decoration:none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/tn500__1.webp?v=1745362533\u0026amp;width=180\" alt=\"Apera TN500 Portable White-Light Turbidity Meter with Data Logging\" width=\"90\" height=\"90\" loading=\"lazy\" style=\"width:90px;height:90px;object-fit:contain;flex:0 0 90px;\"\u003e\u003cspan style=\"min-width:0;\"\u003e\u003cstrong style=\"display:block;color:#245B45;line-height:1.4;\"\u003eApera TN500 Portable White-Light Turbidity Meter with Data Logging\u003c\/strong\u003e\u003cspan style=\"display:block;line-height:1.65;margin:8px 0;\"\u003eCheck your meter configuration and charging instructions before ordering accessories.\u003c\/span\u003e\u003cspan style=\"font-weight:600;\"\u003eView product →\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca class=\"bts-related-card\" href=\"https:\/\/bluetigerscientific.com\/products\/apera-instruments-tn420-portable-white-light-turbidity-meter-epa-180-1-compliant\" style=\"display:flex;align-items:center;gap:16px;flex:1 1 280px;min-width:0;padding:18px;border:1px solid #DCE6DF;border-radius:10px;color:#26332C;text-decoration:none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/tn420_1.webp?v=1745615864\u0026amp;width=180\" alt=\"Apera TN420 Portable White-Light Turbidity Meter\" width=\"90\" height=\"90\" loading=\"lazy\" style=\"width:90px;height:90px;object-fit:contain;flex:0 0 90px;\"\u003e\u003cspan style=\"min-width:0;\"\u003e\u003cstrong style=\"display:block;color:#245B45;line-height:1.4;\"\u003eApera TN420 Portable White-Light Turbidity Meter\u003c\/strong\u003e\u003cspan style=\"display:block;line-height:1.65;margin:8px 0;\"\u003eCheck your meter configuration and charging instructions before ordering accessories.\u003c\/span\u003e\u003cspan style=\"font-weight:600;\"\u003eView product →\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003csection style=\"padding:clamp(24px,4vw,42px) 0;border-bottom:1px solid #DCE6DF;\"\u003e\u003ch2 style=\"font-size:clamp(23px,3.5vw,32px);line-height:1.25;color:#245B45;font-weight:600;margin:0 0 18px;\"\u003eWhy choose this adapter?\u003c\/h2\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:16px;\"\u003e\n\u003cdiv style=\"flex:1 1 230px;padding:22px;border:1px solid #DCE6DF;border-radius:10px;\"\u003e\n\u003ch3 style=\"color:#245B45;font-size:1.1rem;\"\u003eNamed meter compatibility\u003c\/h3\u003e\n\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eManufacturer-specified for the TN500 and TN420 turbidity meters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 230px;padding:22px;border:1px solid #DCE6DF;border-radius:10px;\"\u003e\n\u003ch3 style=\"color:#245B45;font-size:1.1rem;\"\u003eWide AC input range\u003c\/h3\u003e\n\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eRated input: 100–240 V AC, 50\/60 Hz, 0.4 A. Check the local outlet and plug arrangement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 230px;padding:22px;border:1px solid #DCE6DF;border-radius:10px;\"\u003e\n\u003ch3 style=\"color:#245B45;font-size:1.1rem;\"\u003eUSB power output\u003c\/h3\u003e\n\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eDC 5 V, 1.0 A output. A USB connection supplies power; data transfer requires the appropriate cable and supported meter workflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection style=\"padding:clamp(24px,4vw,42px) 0;border-bottom:1px solid #DCE6DF;\"\u003e\u003ch2 style=\"font-size:clamp(23px,3.5vw,32px);line-height:1.25;color:#245B45;font-weight:600;margin:0 0 18px;\"\u003eUse the correct method.\u003c\/h2\u003e\n\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eCheck that your meter is a TN500 or TN420 and inspect the required USB cable before ordering. Connect using the cable specified for your meter and follow its charging\/power instructions. The cable is listed separately by Apera and is not claimed as an included item here.\u003c\/p\u003e\n\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eReview \u003ca style=\"color:#245B45;text-decoration:underline;font-weight:600;\" href=\"https:\/\/bluetigerscientific.com\/products\/apera-instruments-tn500-portable-white-light-turbidity-meter-with-glp-data-logger-epa-180-1-compliant\"\u003eApera TN500 Portable White-Light Turbidity Meter with Data Logging\u003c\/a\u003e or \u003ca style=\"color:#245B45;text-decoration:underline;font-weight:600;\" href=\"https:\/\/bluetigerscientific.com\/products\/apera-instruments-tn420-portable-white-light-turbidity-meter-epa-180-1-compliant\"\u003eApera TN420 Portable White-Light Turbidity Meter\u003c\/a\u003e for the supported system configuration.\u003c\/p\u003e\u003c\/section\u003e\u003csection style=\"padding:clamp(24px,4vw,42px) 0;border-bottom:1px solid #DCE6DF;\"\u003e\u003ch2 style=\"font-size:clamp(23px,3.5vw,32px);line-height:1.25;color:#245B45;font-weight:600;margin:0 0 18px;\"\u003eWhat you are ordering.\u003c\/h2\u003e\n\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003e1 adapter USB power adapter. The meter, battery and USB cable are separate items.\u003c\/p\u003e\u003c\/section\u003e\u003csection style=\"padding:clamp(24px,4vw,42px) 0;border-bottom:1px solid #DCE6DF;\"\u003e\u003ch2 style=\"font-size:clamp(23px,3.5vw,32px);line-height:1.25;color:#245B45;font-weight:600;margin:0 0 18px;\"\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdetails class=\"bts-faq\" style=\"border:1px solid #DCE6DF;border-radius:8px;margin:10px 0;\"\u003e\u003csummary style=\"padding:16px;cursor:pointer;font-weight:600;line-height:1.5;\"\u003eWhich meters is AI2519 specified for?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 16px;\"\u003e\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eApera lists TN500 and TN420 turbidity meters.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-faq\" style=\"border:1px solid #DCE6DF;border-radius:8px;margin:10px 0;\"\u003e\u003csummary style=\"padding:16px;cursor:pointer;font-weight:600;line-height:1.5;\"\u003eWhat is the output rating?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 16px;\"\u003e\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eDC 5 V, 1.0 A.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-faq\" style=\"border:1px solid #DCE6DF;border-radius:8px;margin:10px 0;\"\u003e\u003csummary style=\"padding:16px;cursor:pointer;font-weight:600;line-height:1.5;\"\u003eWhat AC input does it accept?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 16px;\"\u003e\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003e100–240 V AC, 50\/60 Hz, 0.4 A. Confirm the physical plug and outlet arrangement for your location.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-faq\" style=\"border:1px solid #DCE6DF;border-radius:8px;margin:10px 0;\"\u003e\u003csummary style=\"padding:16px;cursor:pointer;font-weight:600;line-height:1.5;\"\u003eIs a USB cable included?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 16px;\"\u003e\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eApera lists the cable separately. This page offers the adapter and does not promise an included cable.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-faq\" style=\"border:1px solid #DCE6DF;border-radius:8px;margin:10px 0;\"\u003e\u003csummary style=\"padding:16px;cursor:pointer;font-weight:600;line-height:1.5;\"\u003eDoes this adapter transfer measurement data?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 16px;\"\u003e\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eThe adapter supplies power. Data transfer depends on the supported meter, appropriate cable and software workflow.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-faq\" style=\"border:1px solid #DCE6DF;border-radius:8px;margin:10px 0;\"\u003e\u003csummary style=\"padding:16px;cursor:pointer;font-weight:600;line-height:1.5;\"\u003eCan I assume it works with another Apera meter?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 16px;\"\u003e\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eThis listing claims compatibility with TN500 and TN420 only. Confirm another meter’s requirements before selecting an adapter.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-faq\" style=\"border:1px solid #DCE6DF;border-radius:8px;margin:10px 0;\"\u003e\u003csummary style=\"padding:16px;cursor:pointer;font-weight:600;line-height:1.5;\"\u003eIs this the rechargeable battery?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 16px;\"\u003e\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eNo. It is an external USB power adapter, separate from the internal battery.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails class=\"bts-faq\" style=\"border:1px solid #DCE6DF;border-radius:8px;margin:10px 0;\"\u003e\u003csummary style=\"padding:16px;cursor:pointer;font-weight:600;line-height:1.5;\"\u003eWhat certification does Apera state?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 16px;\"\u003e\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eApera describes AI2519 as UL-certified. Its stated electrical ratings are shown in Product Specifications.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003c\/section\u003e\u003csection style=\"padding:clamp(24px,4vw,42px) 0;border-bottom:1px solid #DCE6DF;\"\u003e\u003ch2 style=\"font-size:clamp(23px,3.5vw,32px);line-height:1.25;color:#245B45;font-weight:600;margin:0 0 18px;\"\u003eSelect the right supply.\u003c\/h2\u003e\n\u003cp style=\"font-size:1rem;line-height:1.75;margin:0 0 16px;\"\u003eConfirm AI2519 and the 1 adapter configuration, then return to the price and ordering controls.\u003c\/p\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Apera Instruments","offers":[{"title":"Default Title","offer_id":53028749639978,"sku":"BTS-AI2519","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/apera-ai2519-square-20261019.webp?v=1792441777","url":"https:\/\/bluetigerscientific.com\/products\/apera-usb-power-adapter-for-tn500-and-tn420-turbidity-meters-ai2519","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}