{"product_id":"lutron-do-5509-pocket-dissolved-oxygen","title":"Lutron DO-5509 Pocket Dissolved Oxygen Meter","description":"\u003cdiv class=\"powr-chat\" id=\"1abb102c_1753877895\"\u003e\u003c\/div\u003e\n\u003ch2\u003eLutron DO-5509 Pocket Dissolved Oxygen Meter\u003c\/h2\u003e\n\u003ch2\u003eLutron DO-5509 Pocket Dissolved Oxygen Meter\u003c\/h2\u003e\n\u003cp\u003eThe Lutron DO-5509 is a compact, high-precision dissolved oxygen meter designed for reliable field and laboratory measurements. This portable device features a polarographic probe with integrated temperature sensor for accurate dissolved oxygen readings across various applications. ISO-9001 and CE certified, this professional-grade instrument delivers consistent performance for water quality assessment in aquaculture, research, environmental monitoring, and educational settings.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Accuracy\u003c\/strong\u003e - Precise measurements with ±0.4 mg\/L accuracy after calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Measurement Range\u003c\/strong\u003e - Measures dissolved oxygen from 0 to 20.0 mg\/L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolarographic Sensor Technology\u003c\/strong\u003e - Industry-standard measurement methodology for reliable results\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation\u003c\/strong\u003e - Ensures accurate readings from 0 to 40°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Temperature Sensor\u003c\/strong\u003e - Built into probe for simultaneous oxygen and temperature readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Calibration\u003c\/strong\u003e - Dedicated ZERO and CAL adjustment knobs for simple field calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePocket-Sized Design\u003c\/strong\u003e - Compact dimensions (131 × 70 × 25 mm) for portability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Probe Cable\u003c\/strong\u003e - 4-meter cable length for flexible measurement locations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear Digital Display\u003c\/strong\u003e - Large 13 mm (0.5\") LCD screen with 3½ digit readout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e - Approximately 3.5 mA for extended battery life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Package\u003c\/strong\u003e - Includes probe, carrying case, spare parts, and electrolyte solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e - Robust design for field and laboratory use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ch4\u003eMeasurement Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDissolved Oxygen: 0 to 20.0 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.4 mg\/L (after calibration at 23±5°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic from 0 to 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolarographic with integrated temperature sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCalibration Controls\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZERO knob, CAL knob\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eGeneral Specifications Lutron DO-5509 Pocket Dissolved Oxygen\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13 mm (0.5\") LCD, 3½ digits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e006P DC 9V battery (heavy duty)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately DC 3.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C to 50°C (32°F to 122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLess than 80% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003ePhysical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (Main Unit)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e131 × 70 × 25 mm (5.2 × 2.8 × 1.0 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (Oxygen Probe)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e190 mm × 28 mm diameter (7.5\" × 1.1\" diameter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe Cable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e350 g (0.77 LB) - with probe \u0026amp; battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplicationsLutron DO-5509 Pocket Dissolved Oxygen\u003c\/h3\u003e\n\u003cp\u003eThe Lutron DO-5509 is designed for a wide range of applications where dissolved oxygen measurement is critical:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquaculture \u0026amp; Fish Hatcheries\u003c\/strong\u003e - Monitor oxygen levels for optimal fish health and production\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquarium Management\u003c\/strong\u003e - Maintain proper oxygen levels for aquatic life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Monitoring\u003c\/strong\u003e - Assess water quality in lakes, rivers, and streams\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWastewater Treatment\u003c\/strong\u003e - Monitor treatment process efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedical Research\u003c\/strong\u003e - Support studies requiring precise oxygen measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgricultural Applications\u003c\/strong\u003e - Monitor irrigation water quality\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMining Industry\u003c\/strong\u003e - Water quality assessment for mining operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEducational Settings\u003c\/strong\u003e - Laboratory demonstrations and student experiments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Conditioning\u003c\/strong\u003e - Verify treatment system performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Control\u003c\/strong\u003e - Process verification in industrial applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUnderstanding Dissolved Oxygen Lutron DO-5509 Pocket Dissolved Oxygen\u003c\/h3\u003e\n\u003cp\u003eDissolved oxygen (DO) is one of the most critical parameters in water quality assessment. It represents the amount of gaseous oxygen (O₂) dissolved in water and is essential for the survival of aquatic organisms and the overall health of water ecosystems. The DO-5509 measures this crucial parameter in milligrams per liter (mg\/L), with key reference values including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e0-2 mg\/L\u003c\/strong\u003e: Insufficient for most aquatic life; indicates severe pollution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-4 mg\/L\u003c\/strong\u003e: Supports only limited populations of aquatic life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-7 mg\/L\u003c\/strong\u003e: Supports warm-water fish populations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-11 mg\/L\u003c\/strong\u003e: Ideal for cold-water fish and most aquatic ecosystems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12+ mg\/L\u003c\/strong\u003e: Supersaturated conditions (may occur in highly aerated waters)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePolarographic Measurement Technology Lutron DO-5509 Pocket Dissolved Oxygen\u003c\/h3\u003e\n\u003cp\u003eThe DO-5509 utilizes polarographic sensor technology, which offers several advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Principle\u003c\/strong\u003e - Oxygen diffuses through a permeable membrane and is reduced at a cathode, generating a current proportional to oxygen concentration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStability\u003c\/strong\u003e - Provides reliable readings in various water conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry Standard\u003c\/strong\u003e - Widely accepted methodology for DO measurement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Integration\u003c\/strong\u003e - Built-in temperature sensor allows automatic compensation for temperature effects on oxygen solubility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Contents Lutron DO-5509 Pocket Dissolved Oxygen\u003c\/h3\u003e\n\u003cp\u003eThe Lutron DO-5509 comes as a complete measurement system, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDO-5509 Main Instrument\u003c\/strong\u003e - The pocket-sized meter unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOxygen Probe (OXPB-09N)\u003c\/strong\u003e - Polarographic probe with integrated temperature sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpare Probe Head with Diaphragm Set (OXHD-04)\u003c\/strong\u003e - Two sets included for maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe-filling Electrolyte (OXEL-03)\u003c\/strong\u003e - For probe maintenance and refilling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrying Case\u003c\/strong\u003e - For safe transport and storage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation Manual\u003c\/strong\u003e - Comprehensive instructions for use and maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOptional Accessories Lutron DO-5509 Pocket Dissolved Oxygen\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Oxygen Probe (OXPB-09)\u003c\/strong\u003e - For replacing the standard probe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Spare Probe Head with Diaphragm Set (OXHD-04)\u003c\/strong\u003e - For regular maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Probe-filling Electrolyte (OXEL-03)\u003c\/strong\u003e - For continued probe maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaintenance \u0026amp; Calibration Lutron DO-5509 Pocket Dissolved Oxygen\u003c\/h3\u003e\n\u003cp\u003eTo ensure accurate measurements, the DO-5509 features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Calibration System\u003c\/strong\u003e - Dedicated ZERO and CAL adjustment knobs allow field calibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable Membrane Caps\u003c\/strong\u003e - Included spare diaphragm sets allow easy membrane replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefillable Electrolyte\u003c\/strong\u003e - Included electrolyte solution for probe maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraightforward Maintenance\u003c\/strong\u003e - Simple procedures for keeping the probe in optimal condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOperational Advantages Lutron DO-5509 Pocket Dissolved Oxygen\u003c\/h3\u003e\n\u003cp\u003eThe DO-5509 offers significant benefits for professionals and technicians:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Portability\u003c\/strong\u003e - Compact size and carrying case make it ideal for on-site measurements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Probe Cable\u003c\/strong\u003e - 4-meter cable allows measurements at various depths and distances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Efficiency\u003c\/strong\u003e - Low power consumption extends operational time in the field\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Response\u003c\/strong\u003e - Provides readings efficiently for multiple sampling locations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e - Built to withstand field use in various environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear Readings\u003c\/strong\u003e - Large LCD display ensures easy visibility of measurement values\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Measurement System\u003c\/strong\u003e - All necessary components included for immediate use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuality \u0026amp; Certification Lutron DO-5509 Pocket Dissolved Oxygen\u003c\/h3\u003e\n\u003cp\u003eThe Lutron DO-5509 is manufactured under ISO-9001 quality management standards and meets CE certification requirements and IEC1010 safety standards. These certifications ensure reliable performance and accurate measurements for professional water quality assessment applications.\u003c\/p\u003e\n\u003cp\u003eThe Lutron DO-5509 Pocket Dissolved Oxygen Meter provides water quality professionals, researchers, and educators with a reliable, accurate, and portable solution for measuring this critical parameter in aquatic environments. Its combination of precision, ease of use, and comprehensive accessory package makes it an excellent choice for a wide range of dissolved oxygen measurement applications.\u003c\/p\u003e\n[row]\n\n[col span__sm=\"12\" margin=\"25px 0px 0px 0px\" align=\"center\"]\n\n[button text=\"Download catalogue\" size=\"larger\" radius=\"10\" depth=\"4\" depth_hover=\"5\" link=\"%%GLOBAL_ShopPathSSL%%\/wp-content\/uploads\/2025\/06\/DO-5509-0.pdf\"]\n\n\n[\/col]\n\n[\/row]","brand":"Lutron","offers":[{"title":"Default Title","offer_id":51460958945526,"sku":"LUT-DO-DO5509","price":15635.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/6535\/1158\/files\/Lutron_DO-5509_Pocket_Dissolved_Oxygen_Meter__59037.1754394387.386.513.png?v=1786598750","url":"https:\/\/scispectrum.in\/products\/lutron-do-5509-pocket-dissolved-oxygen","provider":"SciSpectrum Lab Essentials","version":"1.0","type":"link"}