{"product_id":"thermo-scientific-orp21a1a1-differential-orp-sensor-head","title":"Thermo Scientific ORP21A1A1 Differential ORP Sensor Head","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=\"607\"\u003eThe Thermo Scientific ORP21A1A1 \u003ca href=\"https:\/\/plgautomation.com\/collections\/sensors-measurement\" title=\"Differential ORP Sensor\"\u003eDifferential ORP Sensor\u003c\/a\u003e is used for continuous oxidation-reduction potential (ORP) measurement in demanding industrial process and water treatment applications. Commonly installed in wastewater treatment plants, chemical processing facilities, pulp and paper mills, and industrial water monitoring systems. Maintenance teams, process engineers, water treatment technicians, and system integrators purchase this differential ORP sensor for routine replacement, preventive maintenance, and reliable online ORP monitoring. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"609\" data-end=\"626\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"628\" data-end=\"1008\"\u003eThe Thermo Scientific ORP21A1A1 Differential ORP Sensor is designed for continuous ORP monitoring using differential electrode technology with a CPVC sensor body for enhanced chemical resistance. It is commonly used for wastewater treatment, disinfection control, metal finishing, bleaching processes, and industrial process water monitoring. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1010\" data-end=\"1039\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1041\" data-end=\"2036\"\u003e• Manufacturer: Thermo Fisher Scientific\u003cbr data-start=\"1081\" data-end=\"1084\"\u003e• Brand: Thermo Scientific\u003cbr data-start=\"1110\" data-end=\"1113\"\u003e• Part Number: ORP21A1A1\u003cbr data-start=\"1137\" data-end=\"1140\"\u003e• Product Type: Differential ORP Sensor\u003cbr data-start=\"1179\" data-end=\"1182\"\u003e• Series: AquaSensors™\u003cbr data-start=\"1204\" data-end=\"1207\"\u003e• Sensor Body Material: CPVC\u003cbr data-start=\"1235\" data-end=\"1238\"\u003e• Measurement Parameter: Oxidation-Reduction Potential (ORP)\u003cbr data-start=\"1298\" data-end=\"1301\"\u003e• Measurement Range: -2100 mV to +2100 mV\u003cbr data-start=\"1342\" data-end=\"1345\" data-is-only-node=\"\"\u003e• Resolution: 0.1 mV\u003cbr data-start=\"1365\" data-end=\"1368\"\u003e• Accuracy: 0.1% of Reading\u003cbr data-start=\"1395\" data-end=\"1398\"\u003e• Sensor Technology: Differential Electrode Technique\u003cbr data-start=\"1451\" data-end=\"1454\"\u003e• Process Connection: 1 in. NPT Threads (Both Ends)\u003cbr data-start=\"1505\" data-end=\"1508\"\u003e• Temperature Range: -5 °C to 75 °C (CPVC Sensor Head)\u003cbr data-start=\"1562\" data-end=\"1565\"\u003e• Maximum Pressure: 85 psig at 75 °C\u003cbr data-start=\"1601\" data-end=\"1604\"\u003e• Maximum Flow Rate: 10 ft\/sec\u003cbr data-start=\"1634\" data-end=\"1637\"\u003e• Temperature Element: Available with NTC300 or PT1000 (configuration dependent)\u003cbr data-start=\"1717\" data-end=\"1720\"\u003e• Ground Electrode: Titanium (Standard)\u003cbr data-start=\"1759\" data-end=\"1762\"\u003e• Replaceable Salt Bridge: Yes\u003cbr data-start=\"1792\" data-end=\"1795\"\u003e• Typical Applications: Wastewater treatment, disinfection control, metal finishing, bleaching pulp, and industrial process water monitoring\u003cbr data-start=\"1935\" data-end=\"1938\"\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=\"2038\" data-end=\"2062\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2064\" data-end=\"2290\"\u003e• Thermo Scientific AquaSensors ASAPOR10 Differential ORP Sensor\u003cbr data-start=\"2128\" data-end=\"2131\"\u003e• Thermo Scientific AquaSensors DataStick ORP Sensor\u003cbr data-start=\"2183\" data-end=\"2186\"\u003e• Thermo Scientific AquaSensors AnalogPlus Differential ORP Sensor\u003c\/p\u003e","brand":"Thermo","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51713970045230,"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_dd1af4e2-92d2-49b3-ac91-7d09cecafe07.jpg?v=1770412614","url":"https:\/\/plgautomation.com\/products\/thermo-scientific-orp21a1a1-differential-orp-sensor-head","provider":"PLG Automation ","version":"1.0","type":"link"}