{"product_id":"rechargeable-dissolved-oxygen-pen-with-5-meter-cable","title":"Rechargeable Dissolved Oxygen Pen with 5 Meter Cable","description":"\u003ch1\u003eThis Dissolved Oxygen meter is a pen-style tool that measures dissolved oxygen and temperature in water.\u003c\/h1\u003e\n\u003cp\u003eHigh sensitivity and accurate readings are enabled by a thin membrane kit and calibration in air. With a rechargeable environment-friendly battery, the device has a 5m cable for easy manipulation. It supports manual salinity and barometric pressure compensation and °C\/°F automatic temperature compensation built-in. A big LCD with adjustable brightness ensures visibility in dark places.\u003c\/p\u003e\n\u003cdiv class=\"category-heading-page mb-3\"\u003eThe portable DO meter can measure the dissolved oxygen level in water with unit of mg\/l in liquid. This meter is useful in a variety of applications where it is important to monitor dissolved oxygen levels in water, including:\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAquaculture\u003c\/strong\u003e\u003cbr\u003eMeasuring dissolved oxygen value in water is critical in aquaculture operations to ensure that the fish or other aquatic organisms are getting enough oxygen to survive.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eEnvironmental Monitoring\u003c\/strong\u003e\u003cbr\u003eDissolved oxygen levels are an important indicator of water quality and can be used to assess the health of aquatic ecosystems. The\u003cb\u003e \u003c\/b\u003eDO Pen\u003cb\u003e \u003c\/b\u003e\u003cspan\u003ecan be used to monitor dissolved oxygen levels in lakes, rivers, and other bodies of water.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBacklit LCD with D.O. \u0026amp; Temperature display\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e100% D.O. calibration in air. Chemical is not required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEasy replaceable thin membrane kit with high sensitivity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRefill electrolyte quickly. Simple to maintain\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSelectable % and mg\/L unit for D.O. Value\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e°C\/°F automatic temperature compensation built-in\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManual salinity and barometric pressure compensation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRechargeable battery via \u003cmeta charset=\"utf-8\"\u003eUSB type C port\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrightness adjustable backlight for dark places\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComplete Kit includes:\u003c\/strong\u003e D.O. Pen Style Meter, D.O. Probe with 5 meter cable, plastic carrying case, rechargeable battery, USB-C cable, 1 bottle electrolyte solution, 2 replacement heads \u0026amp; instructions.\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width: 469px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 199px;\"\u003eFunction\u003c\/td\u003e\n\u003ctd style=\"width: 252.852px;\"\u003eValue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eDO Measuring Range\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e0.0~199.9 (in %)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eDO Accuracy\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e±3% F.S (in %)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eDO Resolution\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e0.1% (in %)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eDO Measuring Range\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e0.00~20.00 (in mg\/l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eDO Accuracy\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e±0.4 (in mg\/l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eDO Resolution\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e0.01 (in mg\/l)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eTemp. Measuring Range\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e0~50.0℃, 32~122°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eTemperature Accuracy\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e±0.5℃, 0.9°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eTemperature Resolution\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e0.1℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eManual Compensation\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eSalinity Adjustable Range\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e0.0~45.0 ppt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eSalinity Resolution\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e0.1 ppt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eBarometric Pressure\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e500~760 mmHg\/101.3~66.7 Kpa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eAdjustable Range\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eBarometric Pressure Resolution\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e1 mmHg\/0.1 Kpa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eAuto Temp. Compensation\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e10~40.0℃ 50~104°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eLCD Size\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e30(L) *1 8 (W) mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e0~40℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eOperating RH%\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003eHumidity ＜85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e0~40℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eStorage RH%\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003eHumidity ＜80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eSensor Response Time\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e＜30 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eSensor Warmup time\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e＜60 seconds after power up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eSensor Life Time\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e\u0026gt;6 months (with good maintenance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eMeter Size\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e176(L) * 39(W) * 39(H) mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e~265g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e3.7V@500mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003ere-chargeable battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e60 hours operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e(no backlight condition)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eRe-charging Time\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003e1.5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003eStandard Package\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003eMeter (with battery built-in),\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003eDissolve Oxygen (D.O.) Probe,\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003eElectrolyte, 2PCS membrane kits,\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003eUSB-type C charging cable,\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 400; width: 199px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"font-weight: 400; width: 252.852px;\"\u003eManual, Carry Case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\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\/810033-iB.pdf?v=1606941794\" target=\"_blank\"\u003e \u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/860055-i.pdf?v=1694208713\"\u003e\u003cimg alt=\"PDF\" style=\"float: left;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/pdf-icon-63x63_480x480.png?v=1598991821\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/810033-iB.pdf?v=1606941794\" target=\"_blank\"\u003e \u003cbr\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/860055-i.pdf?v=1694208713\"\u003eInstruction Manual\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv align=\"center\"\u003e\n\u003ch4 style=\"text-align: left;\"\u003eComparison Chart\u003c\/h4\u003e\n\u003c\/div\u003e\n\u003csection style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: Arial,sans-serif;\"\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ch2 style=\"text-align: center;\"\u003eCompare Sper Scientific Dissolved Oxygen (DO) Meters\u003c\/h2\u003e\n\u003csection style=\"max-width: 1400px; margin: 0 auto; padding: 40px 20px; font-family: Arial,sans-serif;\"\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; height: 1455.1875px;\"\u003e\n\u003c!-- IMAGE ROW --\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 141px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 141px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 141px;\" align=\"center\"\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/waterproof-dissolved-oxygen-meter-pen\" target=\"_blank\"\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"Waterproof Dissolved Oxygen Meter Pen - Sper Scientific Direct\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/products\/Waterproof-Dissolved-Oxygen-Meter-Pen-525408.jpg?v=1752691879\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 141px;\" align=\"center\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/combination-water-meter-kit-with-do-probe\" target=\"_blank\"\u003e\u003cimg alt=\"Combination Water Meter Kit with pH Probe | Sper Scientific Direct\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/products\/Combination-Water-Meter-Kit-with-pH-Probe.jpg?v=1752691876\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 141px;\" align=\"center\"\u003e\n\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/dissolved-oxygen-meter-kit\" target=\"_blank\"\u003e\u003cimg alt=\"Dissolved Oxygen Meter Kit | Sper Scientific Direct\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/products\/Dissolved-Oxygen-Meter-Kit-718738.jpg?v=1752691873\"\u003e\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/dissolved-oxygen-meter-kit\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 141px;\" align=\"center\"\u003e\n\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/rechargeable-dissolved-oxygen-pen-with-5-meter-cable\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"Rechargeable dissolved oxygen pen with 5 meter cable by Sper Scientific featuring a digital display.\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/products\/rechargeable-dissolved-oxygen-pen-with-5-meter-cable-860055-313971.jpg?v=1752691883\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/rechargeable-dissolved-oxygen-pen-with-5-meter-cable\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 141px;\" align=\"center\"\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/optical-dissolved-oxygen-meter\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"Optical Dissolved Oxygen Meter 1\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/optical-dissolved-oxygen-meter-860067-101931.jpg?v=1752691897\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 141px;\" align=\"center\"\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/portable-optical-dissolved-oxygen-meter\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"Portable DO Meter and Sensor\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/portable-optical-dissolved-oxygen-meter-860073-479959.jpg?v=1752691863\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c!-- HEADER --\u003e\n\u003ctr style=\"background: rgb(40, 113, 232); color: rgb(255, 255, 255); height: 18px;\"\u003e\n\u003cth style=\"width: 17.005908%; height: 18px;\"\u003eModel Number\u003c\/th\u003e\n\u003cth style=\"width: 13.868896%; height: 18px;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/waterproof-dissolved-oxygen-meter-pen\" target=\"_blank\"\u003e\u003cspan style=\"color: rgb(255, 255, 255); text-decoration: underline;\"\u003e850045\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"width: 13.70379%; height: 18px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/combination-water-meter-kit-with-do-probe\" style=\"color: rgb(255, 255, 255);\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e850048DOK\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"width: 13.70379%; height: 18px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003ca style=\"color: rgb(255, 255, 255);\" rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/dissolved-oxygen-meter-kit\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e850081DOK\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"width: 13.868896%; height: 18px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/rechargeable-dissolved-oxygen-pen-with-5-meter-cable\" style=\"color: rgb(255, 255, 255);\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e860055\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"width: 13.868896%; height: 18px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/optical-dissolved-oxygen-meter\" style=\"color: rgb(255, 255, 255);\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e860067\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/th\u003e\n\u003cth style=\"width: 13.868896%; height: 18px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003ca style=\"color: rgb(255, 255, 255);\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/portable-optical-dissolved-oxygen-meter\" rel=\"noopener\" target=\"_blank\"\u003e860073\u003c\/a\u003e\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 90px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 90px;\"\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 90px;\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/waterproof-dissolved-oxygen-meter-pen\" target=\"_blank\"\u003e\u003cstrong\u003eWaterproof DO Meter Pen\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 90px;\"\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/combination-water-meter-kit-with-do-probe\" target=\"_blank\"\u003eCombination Water Meter Kit w\/ DO Probe\u003c\/a\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 90px;\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/dissolved-oxygen-meter-kit\" target=\"_blank\"\u003e\u003cstrong\u003eDissolved Oxygen Meter Kit\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 90px;\"\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/rechargeable-dissolved-oxygen-pen-with-5-meter-cable\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eRechargeable DO Pen w\/ 5 Meter Cable\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 90px;\"\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/optical-dissolved-oxygen-meter\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eOptical Dissolved Oxygen Meter\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 90px;\"\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/portable-optical-dissolved-oxygen-meter\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003ePortable Optical Dissolved Oxygen Meter\u003c\/strong\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eDO Range (% Saturation)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0–100% O₂ in air\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e0–200%\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e0–100.0%\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.0–199.9%\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.0–200.0%\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0-200%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eDO Range (mg\/L)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0–20.0 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e0–20.0 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e0–20 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.00–20.00 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.0–20.0 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0 -20 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 54px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 54px;\"\u003eDO Accuracy (mg\/L)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003e±0.4 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 54px;\"\u003e±0.4 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 54px;\"\u003e±0.4 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003e±0.4 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003e\u0026lt;5: ±0.3 mg\/L≥5: ±0.4 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003e±0.3mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eDO Resolution (mg\/L)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.1 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e0.1 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e0.1 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.01 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.1 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.01mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eDO Accuracy (%)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e±0.7% O₂\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e±2% F.S.\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e±0.7% O₂\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e±3% F.S.\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e±3% of Full Scale\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e±3%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eDO Resolution (%)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.10%\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e0.10%\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e0.10%\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.10%\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.10%\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eTemp. Range\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0–50°C \/ 32–122°F\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e0–50°C \/ 32–122°F\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e0–50°C \/ 32–122°F\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0–50.0°C \/ 32–122°F\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0–40.0°C \/ 32–104°F\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0°–45°C \/ 32°–113°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eTemp. Accuracy\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e±0.8°C \/ 1.5°F\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e±0.5°C \/ 0.9°F\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e±0.8°C \/ ±1.5°F\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e±0.5°C \/ 0.9°F\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e±0.5°C (0.9°F)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e±0.5°C \/ 0.9°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eTemp. Resolution\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.1°C\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e0.1°C\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e0.1°C\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.1°C\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.1°C\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.1°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eAuto Temp. Comp. (ATC)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e10–40°C\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0–40°C\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e√\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eSalinity Resolution\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.1 ppt\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e0.1 ppt\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 54px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 54px;\"\u003eBarometric Pressure Comp.\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 54px;\"\u003eManual (altitude)\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 54px;\"\u003eManual (altitude)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003e500–760 mmHg(66.7–101.3 kPa)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003eManual, 50–115 kPa\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003eManual (altitude)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eDO Calibration\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e1-Point (air)\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e1-Point (air)\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e1-Button (air)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e1-Point (100% air)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e2-Point (0% \u0026amp; 100%)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e2-Point (0% \u0026amp; 100%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 54px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 54px;\"\u003eProbe Technology\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003ePolarographic DO probe\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 54px;\"\u003ePolarographic DO probe\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 54px;\"\u003ePolarographic DO probe\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003ePolarographic DO probe\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003eOptical (fluorescent) DO probe\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003eOptical (fluorescent) DO probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eSensor Warmup Time\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e~30 min (cal.)\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e~30 min (cal.)\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u0026lt;60 seconds\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003eNone\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e~10 min (cal.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eSensor Response Time\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u0026lt;30 seconds\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003eFast\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eSensor\/Probe Lifetime\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u0026gt;6 months\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u0026gt;1 year\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u0026gt;1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eMeasures pH\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e(optional probe)\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e(optional probe)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eMeasures ORP \/ mV\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e(optional probe)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eMeasures Conductivity\/TDS\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e(optional probe)\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e(optional probe)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eMeasures Salinity\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003eVia compensation\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e(optional probe)\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e(optional probe)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003eVia compensation\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003eVia compensation\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003eVia compensation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 54px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 54px;\"\u003eMemory \/ Data Storage\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003eMax\/Min record\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 54px;\"\u003e99 memory points\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 54px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003e99 memory points\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003e+100,000 memory points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eRS232 \/ Data Output\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003eRS232\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eDisplay Type\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003eDual LCD\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003eLarge backlit LCD\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003eBacklit LCD\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003eBacklit LCD\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003eLarge LCD\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003eLarge LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eSimultaneous DO \u0026amp; Temp.\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e√\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18.1875px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 18.1875px;\"\u003eBacklight\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 18.1875px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 18.1875px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 18.1875px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 18.1875px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 18.1875px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 18.1875px;\"\u003e√\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 54px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 54px;\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003e(4) AAA\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 54px;\"\u003e(4) AAA\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 54px;\"\u003e9V\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003e3.7V 500mAh Rechargeable Li-ion\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003e(6) AAA\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003eRechargeable Li-ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eCharging\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003eUSB Type-C(~1.5 hr)\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 54px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 54px;\"\u003eIP Rating\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003eIP-67\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 54px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 54px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003eIP-67\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 54px;\"\u003eIP-67 Housing \/ IP-68 Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eSpare Probe Heads\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e2 spare probe heads\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e2 spare probe heads\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e2 spare probe heads\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e2 spare probe heads\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\"\u003e\n\u003ctd style=\"width: 17.005908%; height: 36px;\"\u003eElectrolyte Solution\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.70379%; height: 36px;\"\u003e√\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\n\u003cp\u003e√\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 13.868896%; height: 36px;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Sper Scientific","offers":[{"title":"Default Title","offer_id":44175117517024,"sku":"860055","price":333.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/products\/rechargeable-dissolved-oxygen-pen-with-5-meter-cable-860055-313971.jpg?v=1752691883","url":"https:\/\/sper-direct.myshopify.com\/products\/rechargeable-dissolved-oxygen-pen-with-5-meter-cable","provider":"Sper Scientific Direct","version":"1.0","type":"link"}