{"product_id":"industrial-polarographic-dissolved-oxygen-sensor","title":"Online Industrial Polarographic Dissolved Oxygen Sensor","description":"\u003ch1\u003eThe Inline Industrial Polarographic Dissolved Oxygen Sensor features a significant upgrade from previous models, incorporating a grit mesh metal membrane instead of a traditional diaphragm.\u003c\/h1\u003e\n\u003cp\u003eThis enhancement provides increased stability and stress resistance, making it well-suited for harsher environments. It requires less maintenance and is ideal for continuous dissolved oxygen measurement in applications such as urban sewage treatment, industrial wastewater management, aquaculture and environmental monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnhanced design with a grit mesh metal membrane for superior stability and stress resistance.\u003c\/li\u003e\n\u003cli\u003eSuitable for challenging environments with reduced maintenance needs.\u003c\/li\u003e\n\u003cli\u003eIdeal for continuous monitoring of dissolved oxygen in urban sewage, industrial wastewater treatment, aquaculture, and environmental monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eOrdering Notes: \u003cbr\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e1. All Sper Inline \u003ca href=\"https:\/\/sperdirect.com\/collections\/inline-water-quality-monitors-sensors\" title=\"Inline Water Quality Monitoring\"\u003eWater Quality Meters and Sensors\u003c\/a\u003e are sold separately - one of each is required for a complete system. \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003e\u003cspan style=\"color: #ff2a00;\"\u003e2. All Inline Water Quality Meters and Sensors ship direct from the factory. Please allow 10-15 business days for shipping and \u003cspan style=\"caret-color: rgb(255, 42, 0);\"\u003ehandling\u003c\/span\u003e. \u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eSpecifications\u003cbr\u003e\n\u003c\/h4\u003e\n\u003ctable cellspacing=\"0\" border=\"0\" style=\"width: 82.1072%; height: 316px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"606\" valign=\"top\" colspan=\"2\" style=\"width: 100.001%; height: 19.5938px;\"\u003e\u003cspan\u003eUltra resistant to pressure (0.6M pa) wallop, imported (grit mesh metal membrane)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 55.0917%; height: 19.5938px;\"\u003e\u003cspan\u003eUp thread: M32 * 2.0\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 44.9097%; height: 19.5938px;\"\u003e\u003cspan\u003eMeasuring range: 0-20mg \/ L\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"606\" valign=\"top\" colspan=\"2\" style=\"width: 100.001%; height: 19.5938px;\"\u003e\u003cspan\u003eMeasuring principle: Current type sensor (polarographic electrode)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"606\" valign=\"top\" colspan=\"2\" style=\"width: 100.001%; height: 19.5938px;\"\u003e\u003cspan\u003eBreathable membrane thickness: 100μm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"606\" valign=\"top\" colspan=\"2\" style=\"width: 100.001%; height: 19.5938px;\"\u003e\u003cspan\u003eElectrode shell material: PVC or 316L stainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"606\" valign=\"top\" colspan=\"2\" style=\"width: 100.001%; height: 19.5938px;\"\u003e\u003cspan\u003eTemperature compensation resistance: Pt100, Pt1000, 22K, 2.252K, etc.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 55.0917%; height: 19.5938px;\"\u003e\u003cspan\u003eSensor life: \u0026gt; 2 years\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 44.9097%; height: 19.5938px;\"\u003e\u003cspan\u003eCable length: 5m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 55.0917%; height: 19.5938px;\"\u003e\u003cspan\u003eDetection limit: 0.01 mg \/ L (20 ℃)  \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 44.9097%; height: 19.5938px;\"\u003e\u003cspan\u003eMeasurement limit: 40 mg \/ L\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 55.0917%; height: 19.5938px;\"\u003e\u003cspan\u003eResponse time: 2min (90%, 20 ℃)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 44.9097%; height: 19.5938px;\"\u003e\u003cspan\u003ePolarization time: 60min\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 55.0917%; height: 19.5938px;\"\u003e\u003cspan\u003eMinimum flow rate: 2.5cm \/ s\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 44.9097%; height: 19.5938px;\"\u003e\u003cspan\u003eDrift: \u0026lt;2% \/ month\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"606\" valign=\"top\" colspan=\"2\" style=\"width: 100.001%; height: 19.5938px;\"\u003e\u003cspan\u003eMeasurement error: \u0026lt;± 0.01 mg \/ L\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"606\" valign=\"top\" colspan=\"2\" style=\"width: 100.001%; height: 19.5938px;\"\u003e\u003cspan\u003eOutput Current: 50-80nA\/0.1 mg \/ L  Note: Maximum current 3.5uA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 55.0917%; height: 19.5938px;\"\u003e\u003cspan\u003ePolarization voltage: 0.7V  \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 44.9097%; height: 19.5938px;\"\u003e\u003cspan\u003eZero oxygen: \u0026lt;0.01 mg \/ L\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 55.0917%; height: 39.1875px;\"\u003e\u003cspan\u003eCalibration interval: \u0026gt; 60 days\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd width=\"303\" valign=\"top\" style=\"width: 44.9097%; height: 39.1875px;\"\u003e\u003cspan\u003eMeasured water temperature: \u003cbr\u003e32 - 140º F (0-60℃)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eDownloads\u003c\/h4\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cstrong\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/860031-33-i.pdf?v=1598908093\" target=\"_blank\"\u003e \u003c\/a\u003e\u003ca rel=\"noopener\" title=\"Inline Industrial DO Sensor - Instruction Manual\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/Industrial_Dissolved_Oxygen_Sensor_User_Manual.pdf\" target=\"_blank\"\u003e\u003cimg alt=\"PDF\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/pdf-icon-63x63_480x480.png?v=1598991821\" style=\"float: left;\"\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/860031-33-i.pdf?v=1598908093\" target=\"_blank\"\u003e\u003cbr\u003e\u003c\/a\u003e\u003ca rel=\"noopener\" title=\"Inline Industrial DO Sensor - Instruction Manual\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/Industrial_Dissolved_Oxygen_Sensor_User_Manual.pdf\" target=\"_blank\"\u003eInstruction Manual\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Sper Scientific","offers":[{"title":"Default Title","offer_id":46246435586272,"sku":"870007-DO","price":716.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/inline-industrial-polarographic-dissolved-oxygen-sensor-870007-do-554405.jpg?v=1752691865","url":"https:\/\/sper-direct.myshopify.com\/products\/industrial-polarographic-dissolved-oxygen-sensor","provider":"Sper Scientific Direct","version":"1.0","type":"link"}