{"product_id":"thermo-fisher-scientific-1811el-pure-water-monitor","title":"Thermo Fisher Scientific 1811EL Pure Water Monitor","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"599\"\u003eThe Thermo Scientific 1811EL Pure Water Monitor is used for continuous online monitoring of sodium concentration in ultra-pure water systems. Commonly installed in power generation facilities, semiconductor manufacturing plants, chemical processing systems, and boiler feedwater applications requiring high-purity water analysis. Maintenance teams, water treatment technicians, plant engineers, and system integrators purchase this pure water monitor for routine process monitoring, preventive maintenance, and reliable online sodium analysis. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"601\" data-end=\"618\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"620\" data-end=\"1018\"\u003eThe Thermo Scientific 1811EL Pure Water Monitor is designed for continuous measurement of trace sodium in high-purity water to protect critical process equipment and maintain water quality. It is commonly used for boiler feedwater monitoring, steam cycle chemistry, reverse osmosis systems, ion exchange breakthrough detection, and ultra-pure water production. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1020\" data-end=\"1049\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1051\" data-end=\"2046\"\u003e• Manufacturer: Thermo Fisher Scientific\u003cbr data-start=\"1091\" data-end=\"1094\"\u003e• Brand: Thermo Scientific\u003cbr data-start=\"1120\" data-end=\"1123\"\u003e• Part Number: 1811EL\u003cbr data-start=\"1144\" data-end=\"1147\"\u003e• Product Type: Pure Water Monitor\u003cbr data-start=\"1181\" data-end=\"1184\"\u003e• Series: Orion™ 1800 Series\u003cbr data-start=\"1212\" data-end=\"1215\"\u003e• Measurement Parameter: Sodium (Na⁺)\u003cbr data-start=\"1252\" data-end=\"1255\"\u003e• Measurement Range: 0.01 ppb to 1000 ppb sodium (higher ranges available upon request)\u003cbr data-start=\"1342\" data-end=\"1345\"\u003e• Accuracy: ±0.01 ppb or ±2.5% of reading (whichever is greater)\u003cbr data-start=\"1409\" data-end=\"1412\" data-is-only-node=\"\"\u003e• Response Time: 50% of final reading within 2 minutes\u003cbr data-start=\"1466\" data-end=\"1469\"\u003e• Display Units: ppb, ppm, mV, Temperature\u003cbr data-start=\"1511\" data-end=\"1514\"\u003e• Sample Temperature: 5 to 40 °C (41 to 104 °F)\u003cbr data-start=\"1561\" data-end=\"1564\"\u003e• Sample Pressure: 8 to 100 psi (0.6 to 6.9 bar)\u003cbr data-start=\"1612\" data-end=\"1615\"\u003e• Sample Flow Rate: 40 mL\/min minimum\u003cbr data-start=\"1652\" data-end=\"1655\"\u003e• Analog Outputs: 0–20 mA or 4–20 mA, Linear or Logarithmic\u003cbr data-start=\"1714\" data-end=\"1717\"\u003e• Power Requirements: 100\/110\/115\/220\/240 VAC, 50\/60 Hz\u003cbr data-start=\"1772\" data-end=\"1775\"\u003e• Typical Applications: Boiler feedwater, steam analysis, reverse osmosis systems, ion exchange monitoring, semiconductor ultrapure water, and power plant water chemistry\u003cbr data-start=\"1945\" data-end=\"1948\"\u003e• Country of Manufacture: Not specified by the manufacturer. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2048\" data-end=\"2072\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2074\" data-end=\"2284\"\u003e• Thermo Scientific Orion 2111LL Low-Level Sodium Analyzer\u003cbr data-start=\"2132\" data-end=\"2135\"\u003e• Thermo Scientific Orion 2111XP Sodium Analyzer\u003cbr data-start=\"2183\" data-end=\"2186\"\u003e• Thermo Scientific Orion 2100 Series Process Water Analyzer\u003c\/p\u003e","brand":"THERMO","offers":[{"title":"New","offer_id":51713969783086,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_03ac847f-2587-4028-8eef-26f28b532b35.jpg?v=1770412602","url":"https:\/\/plgautomation.com\/products\/thermo-fisher-scientific-1811el-pure-water-monitor","provider":"PLG Automation ","version":"1.0","type":"link"}