{"product_id":"digital-conductivity-tds-meter-641","title":"Digital Conductivity TDS Meter 641","description":"\u003ch2\u003eDigital Conductivity TDS Meter 641\u003c\/h2\u003e\n \u003ch2\u003eDigital Conductivity\/TDS Meter 641: Professional Water Analysis Solution\u003c\/h2\u003e\n The Digital Conductivity\/TDS Meter 641 is a high-precision instrument designed for fast and accurate determination of Total Dissolved Solids (TDS) in liquids. Built with solid-state technology and integrated circuit components, this versatile device delivers reliable measurements for drinking water, wastewater, brine solutions, sea water, and various industrial applications.\n \u003ch3\u003eKey Features \u0026amp; Benefits Digital Conductivity TDS Meter 641\u003c\/h3\u003e\n \u003cul\u003e\n   \u003cli\u003e\n\u003cstrong\u003eExceptional Measurement Range\u003c\/strong\u003e - Multiple TDS ranges from 0-200 ppm to 0-1000 ppt (1 million ppm)\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eComprehensive Conductivity Measurement\u003c\/strong\u003e - Wide range coverage from 200 μS to 2000 mS\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eHigh Accuracy\u003c\/strong\u003e - Precision of 1% FS ±1 digit ensures reliable results\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003e - Automatic adjustment from 0-50°C for consistent readings\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eAdjustable Cell Constant\u003c\/strong\u003e - Customizable settings with digital display indication\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003ePremium Platinum Sensor\u003c\/strong\u003e - DIP-type conductivity\/TDS cell for optimal performance\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eClear Digital Display\u003c\/strong\u003e - 3½ digit seven-segment LED display for easy reading\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eFine Resolution\u003c\/strong\u003e - 0.1 ppm resolution for detecting small concentration changes\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e - Robust design for laboratory environments\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eComplete Package\u003c\/strong\u003e - Includes conductivity\/TDS cell, operation manual, and dust cover\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eTechnical Specifications Digital Conductivity TDS Meter 641\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003cth\u003eSpecification\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eTDS Range\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e0-200 ppm, 0-2 ppt, 0-20.00 ppt (20,000 ppm), 0-200 ppt (200,000 ppm), 0-1000 ppt (1 million ppm)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eConductivity Range\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e200 μS, 2 mS, 20 mS, 200 mS, 2000 mS\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 ppm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e1% FS ±1 digit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eCell Constant\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eAdjustable with indication on digital display\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e0 to 50°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\u003ePlatinum DIP Type Conductivity\/TDS Cell\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e3½ Digit Seven Segment LED Display\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e230V±10% AC, 50Hz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e275 x 175 x 75 mm (L x B x H) (Approx.)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003e2 Kg (Approx.)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003e\u003cstrong\u003eIncluded Accessories\u003c\/strong\u003e\u003c\/td\u003e\n \u003ctd\u003eConductivity\/TDS Cell, Operation Manual, Dust Cover\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003ch3\u003eApplications \u0026amp; Industries Digital Conductivity TDS Meter 641\u003c\/h3\u003e\n \u003ch4\u003eEnvironmental Monitoring Digital Conductivity TDS Meter 641\u003c\/h4\u003e\n \u003cul\u003e\n   \u003cli\u003e\n\u003cstrong\u003eDrinking Water Quality\u003c\/strong\u003e - Verify safety and regulatory compliance of potable water\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eSurface Water Analysis\u003c\/strong\u003e - Monitor rivers, lakes, and reservoirs for environmental health\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eGroundwater Assessment\u003c\/strong\u003e - Test well water and aquifer quality\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eWastewater Treatment\u003c\/strong\u003e - Track treatment efficiency and effluent quality\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eEnvironmental Impact Studies\u003c\/strong\u003e - Assess water quality for ecological research\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch4\u003eIndustrial Applications Digital Conductivity TDS Meter 641\u003c\/h4\u003e\n \u003cul\u003e\n   \u003cli\u003e\n\u003cstrong\u003eProcess Water Monitoring\u003c\/strong\u003e - Ensure water quality for manufacturing processes\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eCooling Tower Management\u003c\/strong\u003e - Control dissolved solids in cooling systems\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eBoiler Water Testing\u003c\/strong\u003e - Prevent scaling and corrosion in steam systems\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eDesalination Plants\u003c\/strong\u003e - Monitor input and output water quality\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eChemical Processing\u003c\/strong\u003e - Quality control for water-based solutions\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch4\u003eAgricultural Use Digital Conductivity TDS Meter 641\u003c\/h4\u003e\n \u003cul\u003e\n   \u003cli\u003e\n\u003cstrong\u003eIrrigation Water Analysis\u003c\/strong\u003e - Ensure appropriate salinity levels for crop health\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eHydroponics\u003c\/strong\u003e - Monitor nutrient solutions for optimal plant growth\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eAquaculture\u003c\/strong\u003e - Maintain appropriate water conditions for aquatic species\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eSoil Extract Testing\u003c\/strong\u003e - Analyze soluble salts in soil samples\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eAgricultural Research\u003c\/strong\u003e - Support studies on water quality effects on crops\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch4\u003eAdditional Applications\u003c\/h4\u003e\n \u003cul\u003e\n   \u003cli\u003e\n\u003cstrong\u003eAcademic Laboratories\u003c\/strong\u003e - Support educational demonstrations and research\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eMunicipal Water Treatment\u003c\/strong\u003e - Verify treatment effectiveness\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eSeawater Analysis\u003c\/strong\u003e - Measure salinity in marine environments\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eBrine Solutions\u003c\/strong\u003e - Control concentration in industrial processes\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eFood and Beverage Production\u003c\/strong\u003e - Ensure appropriate water quality\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eUnderstanding TDS Measurement Digital Conductivity TDS Meter 641\u003c\/h3\u003e\n \u003ch4\u003eImportance of TDS in Water Analysis\u003c\/h4\u003e\n Total Dissolved Solids (TDS) is a critical water quality parameter that measures the combined content of all inorganic and organic substances in a liquid. High TDS levels can significantly impact water quality and usability:\n \u003cul\u003e\n   \u003cli\u003e\n\u003cstrong\u003eDrinking Water Impact\u003c\/strong\u003e - Influences taste, appearance, and potability\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eEnvironmental Effects\u003c\/strong\u003e - Affects osmo-regulation of freshwater organisms\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eAgricultural Consequences\u003c\/strong\u003e - Determines suitability for irrigation\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eIndustrial Implications\u003c\/strong\u003e - Impacts equipment efficiency and product quality\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eWater Utility\u003c\/strong\u003e - Reduces gas solubility and overall water usefulness\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch4\u003eRelationship Between Conductivity and TDS Digital Conductivity TDS Meter 641\u003c\/h4\u003e\n The Digital Conductivity\/TDS Meter 641 measures electrical conductivity and converts it to TDS values:\n \u003cul\u003e\n   \u003cli\u003e\n\u003cstrong\u003eDirect Correlation\u003c\/strong\u003e - Conductivity increases with dissolved ion concentration\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eConversion Factors\u003c\/strong\u003e - Standard conversion ratios between conductivity and TDS\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eCalibration Importance\u003c\/strong\u003e - Adjustable cell constant allows for accurate conversions\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eTemperature Effects\u003c\/strong\u003e - Automatic compensation adjusts for temperature influence\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eApplication-Specific Considerations\u003c\/strong\u003e - Different water types may require different calibration approaches\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eProduct Advantages Digital Conductivity TDS Meter 641\u003c\/h3\u003e\n \u003ch4\u003eAdvanced Measurement Technology\u003c\/h4\u003e\n The Digital Conductivity\/TDS Meter 641 incorporates several technological advantages:\n \u003cul\u003e\n   \u003cli\u003e\n\u003cstrong\u003eSolid-State Components\u003c\/strong\u003e - Reliable performance with minimal maintenance\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eIntegrated Circuit Design\u003c\/strong\u003e - Precise signal processing for accurate readings\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003ePlatinum Sensor Technology\u003c\/strong\u003e - Premium electrode material for consistent performance\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eExtended Measurement Range\u003c\/strong\u003e - Covers applications from ultra-pure water to highly concentrated solutions\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eHigh Resolution\u003c\/strong\u003e - Detects minute changes in TDS concentration\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch4\u003eUser-Friendly Design Digital Conductivity TDS Meter 641\u003c\/h4\u003e\n The instrument features practical design elements that enhance usability:\n \u003cul\u003e\n   \u003cli\u003e\n\u003cstrong\u003eClear LED Display\u003c\/strong\u003e - High-visibility readout for laboratory environments\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eIntuitive Controls\u003c\/strong\u003e - Straightforward operation for technical and non-technical users\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eCompact Footprint\u003c\/strong\u003e - Efficient use of laboratory bench space\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e - Built to withstand regular laboratory use\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eIncluded Dust Cover\u003c\/strong\u003e - Protects instrument when not in use\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eOperational Guidelines\u003c\/h3\u003e\n \u003ch4\u003eBasic Measurement Procedure Digital Conductivity TDS Meter 641\u003c\/h4\u003e\n \u003col\u003e\n   \u003cli\u003eConnect the conductivity\/TDS cell to the meter\u003c\/li\u003e\n   \u003cli\u003eSelect the appropriate measurement range based on expected concentration\u003c\/li\u003e\n   \u003cli\u003eCalibrate the instrument using standard solutions if needed\u003c\/li\u003e\n   \u003cli\u003eRinse the electrode with distilled water\u003c\/li\u003e\n   \u003cli\u003eImmerse the electrode in the sample solution\u003c\/li\u003e\n   \u003cli\u003eAllow reading to stabilize\u003c\/li\u003e\n   \u003cli\u003eRecord the measurement value\u003c\/li\u003e\n   \u003cli\u003eRinse electrode thoroughly between samples\u003c\/li\u003e\n \u003c\/ol\u003e\n \u003ch4\u003eMaintenance Recommendations Digital Conductivity TDS Meter 641\u003c\/h4\u003e\n \u003cul\u003e\n   \u003cli\u003e\n\u003cstrong\u003eRegular Calibration\u003c\/strong\u003e - Verify accuracy using standard solutions\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eElectrode Care\u003c\/strong\u003e - Clean electrode after each use to prevent contamination\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003ePeriodic Inspection\u003c\/strong\u003e - Check electrode for signs of damage or wear\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eProper Storage\u003c\/strong\u003e - Keep electrode in appropriate storage solution when not in use\u003c\/li\u003e\n   \u003cli\u003e\n\u003cstrong\u003eTemperature Consideration\u003c\/strong\u003e - Allow samples to reach ambient temperature for most accurate results\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eCommon TDS Ranges for Different Water Types\u003c\/h3\u003e\n \u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003cth\u003eWater Type\u003c\/th\u003e\n \u003cth\u003eTypical TDS Range\u003c\/th\u003e\n \u003cth\u003eClassification\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDistilled Water\u003c\/td\u003e\n \u003ctd\u003e0-10 ppm\u003c\/td\u003e\n \u003ctd\u003eUltra-pure\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRainwater\u003c\/td\u003e\n \u003ctd\u003e5-50 ppm\u003c\/td\u003e\n \u003ctd\u003eVery pure\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eFreshwater Streams\/Rivers\u003c\/td\u003e\n \u003ctd\u003e50-250 ppm\u003c\/td\u003e\n \u003ctd\u003eGood quality freshwater\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDrinking Water (acceptable)\u003c\/td\u003e\n \u003ctd\u003e\u0026lt; 500 ppm\u003c\/td\u003e\n \u003ctd\u003ePotable\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eBrackish Water\u003c\/td\u003e\n \u003ctd\u003e1,000-15,000 ppm\u003c\/td\u003e\n \u003ctd\u003eModerately saline\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSeawater\u003c\/td\u003e\n \u003ctd\u003e30,000-40,000 ppm\u003c\/td\u003e\n \u003ctd\u003eHighly saline\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eBrine Solutions\u003c\/td\u003e\n \u003ctd\u003e100,000-300,000+ ppm\u003c\/td\u003e\n \u003ctd\u003eIndustrial concentration\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003ch3\u003eSummary Digital Conductivity TDS Meter 641\u003c\/h3\u003e\n The Digital Conductivity\/TDS Meter 641 represents an essential instrument for professionals requiring accurate and reliable measurement of dissolved solids in water and other liquids. Its wide measurement range, high accuracy, and temperature compensation capabilities make it suitable for diverse applications across environmental monitoring, industrial processes, agriculture, and research.\n \n Key features include the comprehensive TDS range from 0-200 ppm to 0-1000 ppt (1 million ppm), conductivity measurement from 200 μS to 2000 mS, platinum DIP-type sensor, and adjustable cell constant. The instrument's solid-state technology and integrated circuit design ensure consistent performance and durability in laboratory environments.\n \n With its ability to provide precise TDS measurements, this meter serves as a critical tool for assessing water quality for drinking, irrigation, industrial processes, and environmental monitoring. The included accessories and user-friendly design make it ready for immediate implementation in your testing protocols.\n \n For organizations concerned with water quality assessment, process control, or regulatory compliance, the Digital Conductivity\/TDS Meter 641 delivers the accuracy, range, and reliability required for professional water analysis applications.","brand":"Electronics India","offers":[{"title":"Default Title","offer_id":51460960878838,"sku":"EI-CON-EI641","price":21122.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/6535\/1158\/files\/Digital_Conductivity_Meters_601_602_611_for_Lab_Field_Testing__24790.1754388349.386.513_5428171f-a3fc-4ed2-a72c-cc90a47f0bb5.jpg?v=1786595375","url":"https:\/\/scispectrum.in\/products\/digital-conductivity-tds-meter-641","provider":"SciSpectrum Lab Essentials","version":"1.0","type":"link"}