{"product_id":"industrial-772-211-analog-output-process-controller","title":"Industrial 772-211 Analog Output Process Controller","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:15a55551-664a-4560-bab9-75fa83c8cf1f-64\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:15a55551-664a-4560-bab9-75fa83c8cf1f-64\" data-turn-id-container=\"request-WEB:15a55551-664a-4560-bab9-75fa83c8cf1f-64\" data-testid=\"conversation-turn-128\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"21fffcf8-3b97-45b1-847a-d737b9dbf194\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"739\"\u003eThe Thornton 772-211 Analog Output Process Controller is used in industrial water analysis systems to monitor, display, and control conductivity, resistivity, pH, temperature, and other process parameters while providing analog output signals for process automation. Commonly installed in pharmaceutical water systems, semiconductor manufacturing facilities, power generation plants, ultrapure water systems, and industrial water treatment processes utilizing Thornton analytical \u003ca href=\"https:\/\/plgautomation.com\/collections\/sensors-measurement\"\u003esensors\u003c\/a\u003e. Maintenance technicians and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this controller for instrumentation upgrades, process control repairs, sensor integration, and replacement of legacy water quality controllers. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"741\" data-end=\"758\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"760\" data-end=\"1319\"\u003eThe Thornton 772-211 process controller continuously measures process variables from compatible Thornton sensors and provides dual isolated 4–20 mA analog outputs for connection to PLCs, DCS, SCADA systems, and recording devices. It is widely used in reverse osmosis systems, deionized water plants, water-for-injection (WFI) systems, boiler feedwater monitoring, clean-in-place (CIP) systems, and semiconductor ultrapure water applications where continuous process monitoring and analog signal transmission are required. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1321\" data-end=\"1350\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1352\" data-end=\"2197\"\u003e• Brand: Thornton (Mettler Toledo Thornton)\u003cbr data-start=\"1395\" data-end=\"1398\"\u003e• Part Number: 772-211\u003cbr data-start=\"1420\" data-end=\"1423\"\u003e• Product Type: Analog Output Process Controller\u003cbr data-start=\"1471\" data-end=\"1474\"\u003e• Series: 770PC\u003cbr data-start=\"1489\" data-end=\"1492\"\u003e• Supply Voltage: 90–130 VAC\u003cbr data-start=\"1520\" data-end=\"1523\"\u003e• Frequency: 50\/60 Hz\u003cbr data-start=\"1544\" data-end=\"1547\"\u003e• Current Rating: 0.25 A\u003cbr data-start=\"1571\" data-end=\"1574\"\u003e• Display: Three-Line Alphanumeric Vacuum Fluorescent Display\u003cbr data-start=\"1635\" data-end=\"1638\"\u003e• Analog Outputs: (2) Isolated 4–20 mA Outputs\u003cbr data-start=\"1684\" data-end=\"1687\"\u003e• Optional Analog Output Configuration: 0–10 VDC or 4–20 mA (jumper selectable)\u003cbr data-start=\"1766\" data-end=\"1769\"\u003e• Measurement Functions: Conductivity, Resistivity, pH, Temperature, TDS, Flow, Pressure (application dependent)\u003cbr data-start=\"1881\" data-end=\"1884\"\u003e• Compatible Equipment: Thornton Conductivity and Resistivity Sensors\u003cbr data-start=\"1953\" data-end=\"1956\"\u003e• Communication: Optional RS-232 (model dependent)\u003cbr data-start=\"2006\" data-end=\"2009\"\u003e• Mounting Type: Panel Mount\u003cbr data-start=\"2037\" data-end=\"2040\"\u003e• Application: Industrial Water Quality Monitoring and Process Control\u003cbr data-start=\"2110\" data-end=\"2113\"\u003e• Designed for Continuous Industrial Operation \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2199\" data-end=\"2223\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2225\" data-end=\"2428\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Mettler Toledo Thornton M200 Process Transmitter\u003cbr data-start=\"2275\" data-end=\"2278\"\u003e• Mettler Toledo Thornton M300 Process Transmitter\u003cbr data-start=\"2328\" data-end=\"2331\"\u003e• Mettler Toledo Thornton 770MAX Multiparameter Transmitter\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"THORNTON","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51714022605102,"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_3de9d338-62ec-4b3f-9dd7-b58446068306.jpg?v=1770414056","url":"https:\/\/plgautomation.com\/products\/industrial-772-211-analog-output-process-controller","provider":"PLG Automation ","version":"1.0","type":"link"}