{"product_id":"tds-conductivity-ntc-temperature-water-quality-sensor-probe","title":"TDS Conductivity \u0026 NTC Temperature Water Sensor Probe","description":"\n\u003ch2\u003eTDS Conductivity \u0026amp; NTC Temperature Water Quality Sensor Probe\u003c\/h2\u003e\n\u003cp\u003eMonitor your water quality with precision using this \u003cstrong\u003eTDS Conductivity + NTC Temperature Measurement Water Sensor\u003c\/strong\u003e. Built from durable \u003cstrong\u003eplastic and SUS316 stainless steel\u003c\/strong\u003e, this compact probe delivers accurate real-time readings of total dissolved solids (TDS) and water temperature — making it an essential tool for hydroponics, aquariums, water filtration systems, and general water quality testing.\u003c\/p\u003e\n\n\u003cp\u003eWith a wide measuring range of \u003cstrong\u003e0–9990 ppm\u003c\/strong\u003e and a temperature-sensing NTC thermistor rated at 10K, this sensor integrates easily into DIY electronics projects, automation systems, and monitoring setups. Its low operating current (\u0026lt;50µA) and broad operating voltage (0–24V) make it highly versatile for hobbyists and professionals alike.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProbe Diameter:\u003c\/strong\u003e 9.5 ± 0.2 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTDS Electrode Material:\u003c\/strong\u003e SUS316 stainless steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasuring Range:\u003c\/strong\u003e 0–9990 ppm (mg\/L)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 1 mg\/L\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulation Resistance:\u003c\/strong\u003e \u0026gt;50 MΩ\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedium Temperature Range:\u003c\/strong\u003e 0–99°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Temperature:\u003c\/strong\u003e 0–120°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 0–24V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Current:\u003c\/strong\u003e \u0026lt;50µA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNTC Thermistor:\u003c\/strong\u003e 10K\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic + Metal (SUS316 electrode)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 1 × TDS Conductivity + NTC Temperature Sensor Probe\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHydroponics \u0026amp; aquaponics water monitoring\u003c\/li\u003e\n  \u003cli\u003eAquarium water quality testing\u003c\/li\u003e\n  \u003cli\u003eHome water filtration and purification systems\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and Arduino\/Raspberry Pi projects\u003c\/li\u003e\n  \u003cli\u003eIndustrial and laboratory water quality monitoring\u003c\/li\u003e\n  \u003cli\u003eIrrigation water quality checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on water quality standards and safe drinking water guidelines, visit the \u003ca href=\"https:\/\/www.epa.gov\/ground-water-and-drinking-water\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eU.S. Environmental Protection Agency – Ground Water and Drinking Water\u003c\/a\u003e resource.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to variations in computer monitor settings, actual product color may differ slightly from images shown.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does this TDS conductivity and NTC temperature water sensor measure?\u003c\/h4\u003e\n\u003cp\u003eA: This sensor measures two key water quality parameters: \u003cstrong\u003eTotal Dissolved Solids (TDS)\u003c\/strong\u003e — indicating the concentration of dissolved substances in water (range: 0–9990 ppm with ±2% accuracy) — and \u003cstrong\u003ewater temperature\u003c\/strong\u003e via a built-in NTC 10K thermistor. This dual-function capability makes it ideal for hydroponics, aquariums, filtration systems, and DIY monitoring projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What voltage and current does this water sensor require to operate?\u003c\/h4\u003e\n\u003cp\u003eA: The sensor operates on a wide voltage range of \u003cstrong\u003e0–24V DC\u003c\/strong\u003e and draws a very low working current of less than 50µA, making it energy-efficient and compatible with a broad range of microcontrollers including Arduino, Raspberry Pi, and other embedded systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What materials are used in the probe construction?\u003c\/h4\u003e\n\u003cp\u003eA: The probe body is constructed from durable \u003cstrong\u003eplastic\u003c\/strong\u003e with a \u003cstrong\u003eSUS316 stainless steel\u003c\/strong\u003e TDS electrode. SUS316 is a high-grade, corrosion-resistant steel commonly used in aquatic and industrial environments, ensuring longevity and stable readings over time. The probe diameter is 9.5 ± 0.2 mm.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this sensor suitable for continuous immersion in water?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The sensor supports a medium temperature range of 0–99°C and a working temperature range of 0–120°C, with an insulation resistance greater than 50 MΩ, making it suitable for sustained use in water monitoring applications. Always ensure electrical connections remain dry and protected from moisture.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does this TDS conductivity and NTC temperature water sensor measure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This sensor measures two key water quality parameters: Total Dissolved Solids (TDS) — indicating the concentration of dissolved substances in water (range: 0–9990 ppm with ±2% accuracy) — and water temperature via a built-in NTC 10K thermistor. 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