{"product_id":"waterproof-dissolved-oxygen-meter-pen","title":"Waterproof Dissolved Oxygen Meter Pen","description":"\u003ch3\u003eMeasures dissolved oxygen to determine water quality in environmental testing, labs, industrial and municipal wastewater, aquariums and fish hatcheries.\u003c\/h3\u003e\n\u003cp\u003eDesigned for simple one-hand operation with automatic temperature compensation and calibration to air. The polarographic probe has a built in temperature sensor and easy-to-replace pop-off probe heads.\u003c\/p\u003e\n\u003cp\u003eSimultaneously displays dissolved oxygen and temperature readings. Also holds readings and recalls minimum and maximum. IP65 waterproof. Comes ready to use in a soft carrying case with belt loop, two spare probe heads, electrolyte and 4 AAA batteries. EPA Equivalency Method: 360.1\u003cbr\u003e\u003cbr\u003eDimensions: 7¾\" × 1½\" × 1½\" (197 × 38 × 38 mm)\u003cbr\u003eWeight: 4.1 oz (116 g)\u003c\/p\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable style=\"width: 529px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 170px; height: 19px;\"\u003e\u003cb\u003eUnit of Measure:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 140px; height: 19px;\"\u003e\u003cb\u003eRange:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 125px; height: 19px;\"\u003e\u003cb\u003eResolution:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 131px; height: 19px;\"\u003e\u003cb\u003eAccuracy:\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 17.375px;\"\u003e\n\u003ctd style=\"width: 132px; height: 17.375px;\"\u003e\u003cb\u003eDO:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 113px; height: 17.375px;\"\u003e0 to 20.0 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 125px; height: 17.375px;\"\u003e0.1 mg\/L\u003c\/td\u003e\n\u003ctd style=\"width: 131px; height: 17.375px;\"\u003e±0.4 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 16px;\"\u003e\n\u003ctd style=\"width: 132px; height: 16px;\"\u003e\u003cb\u003eOxygen % in Air:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 113px; height: 16px;\"\u003e0 to 100% O\u003csub\u003e2\u003c\/sub\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 125px; height: 16px;\"\u003e0.1% O\u003csub\u003e2\u003c\/sub\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 131px; height: 16px;\"\u003e±0.7% O\u003csub\u003e2\u003c\/sub\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 132px; height: 19px;\"\u003e\u003cb\u003eTemperature ºF:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 113px; height: 19px;\"\u003e32 to 122ºF\u003c\/td\u003e\n\u003ctd style=\"width: 125px; height: 19px;\"\u003e0.1ºF\u003c\/td\u003e\n\u003ctd style=\"width: 131px; height: 19px;\"\u003e±1.5ºF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 132px; height: 19px;\"\u003e\u003cb\u003eTemperature ºC:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 113px; height: 19px;\"\u003e0 to 50ºC\u003c\/td\u003e\n\u003ctd style=\"width: 125px; height: 19px;\"\u003e0.1ºC\u003c\/td\u003e\n\u003ctd style=\"width: 131px; height: 19px;\"\u003e±0.8ºC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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\/850045-i.pdf?v=1598908089\" target=\"_blank\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/pdf-icon-63x63_480x480.png?v=1598991821\" style=\"float: left;\" alt=\"PDF\"\u003e \u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/850045-i.pdf?v=1598908089\" target=\"_blank\"\u003e\u003cbr\u003eInstruction Manual\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/850045-b.pdf?v=1600278250\" target=\"_blank\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/pdf-icon-63x63_480x480.png?v=1598991821\" style=\"float: left;\" alt=\"PDF\"\u003e \u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/850045-b.pdf?v=1600278250\" target=\"_blank\"\u003e\u003cbr\u003eProduct Brochure\u003c\/a\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\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 align=\"center\" style=\"width: 13.868896%; height: 141px;\"\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/waterproof-dissolved-oxygen-meter-pen\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/products\/Waterproof-Dissolved-Oxygen-Meter-Pen-525408.jpg?v=1752691879\" alt=\"Waterproof Dissolved Oxygen Meter Pen - Sper Scientific Direct\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd align=\"center\" style=\"width: 13.70379%; height: 141px;\"\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/combination-water-meter-kit-with-do-probe\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/products\/Combination-Water-Meter-Kit-with-pH-Probe.jpg?v=1752691876\" alt=\"Combination Water Meter Kit with pH Probe | Sper Scientific Direct\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd align=\"center\" style=\"width: 13.70379%; height: 141px;\"\u003e\n\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/dissolved-oxygen-meter-kit\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/products\/Dissolved-Oxygen-Meter-Kit-718738.jpg?v=1752691873\" alt=\"Dissolved Oxygen Meter Kit | Sper Scientific Direct\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/dissolved-oxygen-meter-kit\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003ctd align=\"center\" style=\"width: 13.868896%; height: 141px;\"\u003e\n\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/rechargeable-dissolved-oxygen-pen-with-5-meter-cable\" target=\"_blank\"\u003e\u003cimg 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\" alt=\"Rechargeable dissolved oxygen pen with 5 meter cable by Sper Scientific featuring a digital display.\"\u003e\u003c\/a\u003e\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/rechargeable-dissolved-oxygen-pen-with-5-meter-cable\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003ctd align=\"center\" style=\"width: 13.868896%; height: 141px;\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/optical-dissolved-oxygen-meter\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/optical-dissolved-oxygen-meter-860067-101931.jpg?v=1752691897\" alt=\"Optical Dissolved Oxygen Meter 1\"\u003e\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd align=\"center\" style=\"width: 13.868896%; height: 141px;\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/portable-optical-dissolved-oxygen-meter\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0356\/8248\/4360\/files\/portable-optical-dissolved-oxygen-meter-860073-479959.jpg?v=1752691863\" alt=\"Portable DO Meter and Sensor\"\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 href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/waterproof-dissolved-oxygen-meter-pen\" rel=\"noopener\" 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 style=\"color: rgb(255, 255, 255);\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/combination-water-meter-kit-with-do-probe\" rel=\"noopener\" 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 href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/dissolved-oxygen-meter-kit\" rel=\"noopener\" style=\"color: rgb(255, 255, 255);\" 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 rel=\"noopener\" style=\"color: rgb(255, 255, 255);\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/rechargeable-dissolved-oxygen-pen-with-5-meter-cable\" 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 rel=\"noopener\" style=\"color: rgb(255, 255, 255);\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/optical-dissolved-oxygen-meter\" 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=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255); text-decoration: underline;\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/portable-optical-dissolved-oxygen-meter\" style=\"color: rgb(255, 255, 255); text-decoration: underline;\" target=\"_blank\"\u003e860073\u003c\/a\u003e\u003c\/span\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 href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/waterproof-dissolved-oxygen-meter-pen\" rel=\"noopener\" 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 href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/combination-water-meter-kit-with-do-probe\" rel=\"noopener\" 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 href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/dissolved-oxygen-meter-kit\" rel=\"noopener\" 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 rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/rechargeable-dissolved-oxygen-pen-with-5-meter-cable\" 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 rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/optical-dissolved-oxygen-meter\" 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 rel=\"noopener\" href=\"https:\/\/sperdirect.com\/collections\/dissolved-oxygen\/products\/portable-optical-dissolved-oxygen-meter\" 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%; 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