{"product_id":"portable-dissolved-oxygen-meter-lmdo4p-polarographic-sensor-usb-interface","title":"Portable Dissolved Oxygen Meter LMDO4P (Polarographic Sensor, USB Interface)","description":"\u003cp data-start=\"289\" data-end=\"613\"\u003ePortable Dissolved Oxygen Meter LMDO4P is designed for accurate dissolved oxygen and oxygen saturation measurement in environmental, industrial, laboratory, and field water testing applications. The compact handheld instrument provides reliable performance for routine dissolved oxygen monitoring and water quality analysis.\u003c\/p\u003e\n\u003cp data-start=\"615\" data-end=\"940\"\u003eThe meter uses a polarographic dissolved oxygen electrode for stable and precise DO measurement across a wide range of liquid samples. It supports dissolved oxygen measurement in mg\/L or ppm along with oxygen saturation percentage analysis, making it suitable for environmental monitoring and industrial process applications.\u003c\/p\u003e\n\u003cp data-start=\"942\" data-end=\"1276\"\u003eLMDO4P features 1 or 2-point calibration using air-saturated water or zero oxygen solution to ensure accurate measurement performance. Automatic temperature compensation improves reading accuracy over varying sample temperatures, while manual salinity and barometric pressure correction enhance dissolved oxygen measurement precision.\u003c\/p\u003e\n\u003cp data-start=\"1278\" data-end=\"1574\"\u003eThe instrument includes auto-read endpoint detection that locks stable readings automatically or manually for consistent analytical results. A backlit LCD display provides clear visibility during operation, while internal memory stores up to 100 data readings for future recall and documentation.\u003c\/p\u003e\n\u003cp data-start=\"1576\" data-end=\"1841\"\u003eUSB communication interface enables data transfer and external power adaptor connection. Battery-powered portable operation with automatic shutdown and power-saving functions makes the instrument ideal for on-site field analysis and mobile water quality monitoring.\u003c\/p\u003e\n\u003cp data-start=\"1843\" data-end=\"2029\"\u003eLMDO4P is widely used in environmental testing, aquaculture, wastewater treatment plants, educational laboratories, food processing, fisheries, and industrial water quality applications.\u003c\/p\u003e\n\u003ch3 data-start=\"2031\" data-end=\"2046\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"2048\" data-end=\"2515\"\u003ePortable dissolved oxygen and saturation measurement\u003cbr data-start=\"2100\" data-end=\"2103\"\u003ePolarographic dissolved oxygen electrode\u003cbr data-start=\"2143\" data-end=\"2146\"\u003eDO measurement in mg\/L or ppm\u003cbr data-start=\"2175\" data-end=\"2178\"\u003eOxygen saturation measurement up to 200%\u003cbr data-start=\"2218\" data-end=\"2221\"\u003e1 or 2-point calibration system\u003cbr data-start=\"2252\" data-end=\"2255\"\u003eAutomatic temperature compensation\u003cbr data-start=\"2289\" data-end=\"2292\"\u003eSalinity and barometric pressure correction\u003cbr data-start=\"2335\" data-end=\"2338\"\u003eAuto-read endpoint detection\u003cbr data-start=\"2366\" data-end=\"2369\"\u003eUSB communication interface\u003cbr data-start=\"2396\" data-end=\"2399\"\u003eBacklit LCD display\u003cbr data-start=\"2418\" data-end=\"2421\"\u003eInternal memory for up to 100 readings\u003cbr data-start=\"2459\" data-end=\"2462\"\u003eBattery-powered portable operation with carrying case\u003c\/p\u003e\n\u003ch3 data-start=\"2517\" data-end=\"2544\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2546\" data-end=\"3501\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2546\" data-end=\"2575\"\u003e\n\u003ctr data-start=\"2546\" data-end=\"2575\"\u003e\n\u003cth data-start=\"2546\" data-end=\"2558\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"2558\" data-end=\"2575\" data-col-size=\"md\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2590\" data-end=\"3501\"\u003e\n\u003ctr data-start=\"2590\" data-end=\"2643\"\u003e\n\u003ctd data-start=\"2590\" data-end=\"2615\" data-col-size=\"sm\"\u003eDissolved Oxygen Range\u003c\/td\u003e\n\u003ctd data-start=\"2615\" data-end=\"2643\" data-col-size=\"md\"\u003e0.00 to 20.00 mg\/L (ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2644\" data-end=\"2693\"\u003e\n\u003ctd data-start=\"2644\" data-end=\"2674\" data-col-size=\"sm\"\u003eDissolved Oxygen Resolution\u003c\/td\u003e\n\u003ctd data-start=\"2674\" data-end=\"2693\" data-col-size=\"md\"\u003e0.01 mg\/L (ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2694\" data-end=\"2741\"\u003e\n\u003ctd data-start=\"2694\" data-end=\"2722\" data-col-size=\"sm\"\u003eDissolved Oxygen Accuracy\u003c\/td\u003e\n\u003ctd data-start=\"2722\" data-end=\"2741\" data-col-size=\"md\"\u003e±0.5 mg\/L (ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2742\" data-end=\"2778\"\u003e\n\u003ctd data-start=\"2742\" data-end=\"2761\" data-col-size=\"sm\"\u003eSaturation Range\u003c\/td\u003e\n\u003ctd data-start=\"2761\" data-end=\"2778\" data-col-size=\"md\"\u003e0.0 to 200.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2779\" data-end=\"2811\"\u003e\n\u003ctd data-start=\"2779\" data-end=\"2803\" data-col-size=\"sm\"\u003eSaturation Resolution\u003c\/td\u003e\n\u003ctd data-start=\"2803\" data-end=\"2811\" data-col-size=\"md\"\u003e0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2812\" data-end=\"2843\"\u003e\n\u003ctd data-start=\"2812\" data-end=\"2834\" data-col-size=\"sm\"\u003eSaturation Accuracy\u003c\/td\u003e\n\u003ctd data-start=\"2834\" data-end=\"2843\" data-col-size=\"md\"\u003e±2.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2844\" data-end=\"2875\"\u003e\n\u003ctd data-start=\"2844\" data-end=\"2858\" data-col-size=\"sm\"\u003eCalibration\u003c\/td\u003e\n\u003ctd data-start=\"2858\" data-end=\"2875\" data-col-size=\"md\"\u003e1 or 2 Points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2876\" data-end=\"2941\"\u003e\n\u003ctd data-start=\"2876\" data-end=\"2903\" data-col-size=\"sm\"\u003eTemperature Compensation\u003c\/td\u003e\n\u003ctd data-start=\"2903\" data-end=\"2941\" data-col-size=\"md\"\u003e0 to 50°C \/ 32 to 122°F, Automatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2942\" data-end=\"3011\"\u003e\n\u003ctd data-start=\"2942\" data-end=\"2964\" data-col-size=\"sm\"\u003ePressure Correction\u003c\/td\u003e\n\u003ctd data-start=\"2964\" data-end=\"3011\" data-col-size=\"md\"\u003e60.0 to 113.3 kPa \/ 450 to 850 mmHg, Manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3012\" data-end=\"3061\"\u003e\n\u003ctd data-start=\"3012\" data-end=\"3034\" data-col-size=\"sm\"\u003eSalinity Correction\u003c\/td\u003e\n\u003ctd data-start=\"3034\" data-end=\"3061\" data-col-size=\"md\"\u003e0.0 to 50.0 ppt, Manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3062\" data-end=\"3079\"\u003e\n\u003ctd data-start=\"3062\" data-end=\"3072\" data-col-size=\"sm\"\u003eDisplay\u003c\/td\u003e\n\u003ctd data-start=\"3072\" data-end=\"3079\" data-col-size=\"md\"\u003eLCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3080\" data-end=\"3150\"\u003e\n\u003ctd data-start=\"3080\" data-end=\"3096\" data-col-size=\"sm\"\u003eHold Function\u003c\/td\u003e\n\u003ctd data-start=\"3096\" data-end=\"3150\" data-col-size=\"md\"\u003eSelectable Manual or Automatic Hold after Endpoint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3151\" data-end=\"3197\"\u003e\n\u003ctd data-start=\"3151\" data-end=\"3168\" data-col-size=\"sm\"\u003eAuto Power OFF\u003c\/td\u003e\n\u003ctd data-start=\"3168\" data-end=\"3197\" data-col-size=\"md\"\u003e15 Minutes, If Not in Use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3198\" data-end=\"3227\"\u003e\n\u003ctd data-start=\"3198\" data-end=\"3214\" data-col-size=\"sm\"\u003eCarrying Case\u003c\/td\u003e\n\u003ctd data-start=\"3214\" data-end=\"3227\" data-col-size=\"md\"\u003eAvailable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3228\" data-end=\"3252\"\u003e\n\u003ctd data-start=\"3228\" data-end=\"3245\" data-col-size=\"sm\"\u003eReset Function\u003c\/td\u003e\n\u003ctd data-start=\"3245\" data-end=\"3252\" data-col-size=\"md\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3253\" data-end=\"3274\"\u003e\n\u003ctd data-start=\"3253\" data-end=\"3267\" data-col-size=\"sm\"\u003eDate \u0026amp; Time\u003c\/td\u003e\n\u003ctd data-start=\"3267\" data-end=\"3274\" data-col-size=\"md\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3275\" data-end=\"3311\"\u003e\n\u003ctd data-start=\"3275\" data-end=\"3284\" data-col-size=\"sm\"\u003eMemory\u003c\/td\u003e\n\u003ctd data-start=\"3284\" data-end=\"3311\" data-col-size=\"md\"\u003eUp to 100 Data Readings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3312\" data-end=\"3342\"\u003e\n\u003ctd data-start=\"3312\" data-end=\"3324\" data-col-size=\"sm\"\u003eConnector\u003c\/td\u003e\n\u003ctd data-start=\"3324\" data-end=\"3342\" data-col-size=\"md\"\u003e6-pin Mini-DIN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3343\" data-end=\"3376\"\u003e\n\u003ctd data-start=\"3343\" data-end=\"3359\" data-col-size=\"sm\"\u003eCommunication\u003c\/td\u003e\n\u003ctd data-start=\"3359\" data-end=\"3376\" data-col-size=\"md\"\u003eUSB Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3377\" data-end=\"3440\"\u003e\n\u003ctd data-start=\"3377\" data-end=\"3392\" data-col-size=\"sm\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd data-start=\"3392\" data-end=\"3440\" data-col-size=\"md\"\u003e3 × 1.5V AA Batteries or 5V DC Power Adaptor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3441\" data-end=\"3483\"\u003e\n\u003ctd data-start=\"3441\" data-end=\"3462\" data-col-size=\"sm\"\u003eDimensions (L×W×H)\u003c\/td\u003e\n\u003ctd data-start=\"3462\" data-end=\"3483\" data-col-size=\"md\"\u003e345 × 85 × 300 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3484\" data-end=\"3501\"\u003e\n\u003ctd data-start=\"3484\" data-end=\"3493\" data-col-size=\"sm\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-start=\"3493\" data-end=\"3501\" data-col-size=\"md\"\u003e1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-start=\"3503\" data-end=\"3518\"\u003eApplications\u003c\/h3\u003e\n\u003cp data-start=\"3520\" data-end=\"3761\"\u003ePortable water quality testing\u003cbr data-start=\"3550\" data-end=\"3553\"\u003eEnvironmental and wastewater monitoring\u003cbr data-start=\"3592\" data-end=\"3595\"\u003eAquaculture and fisheries\u003cbr data-start=\"3620\" data-end=\"3623\"\u003eIndustrial process water analysis\u003cbr data-start=\"3656\" data-end=\"3659\"\u003eEducational and research laboratories\u003cbr data-start=\"3696\" data-end=\"3699\"\u003eFood and beverage processing\u003cbr data-start=\"3727\" data-end=\"3730\"\u003eField dissolved oxygen analysis\u003c\/p\u003e","brand":"Labman","offers":[{"title":"Default Title","offer_id":49973066793197,"sku":null,"price":40000.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/5672\/6765\/files\/LMDO4P.webp?v=1778963430","url":"https:\/\/www.biotronscientific.com\/products\/portable-dissolved-oxygen-meter-lmdo4p-polarographic-sensor-usb-interface","provider":"BIOTRON","version":"1.0","type":"link"}