{"product_id":"smart-co2-controller-dual-channel-ndir-co2-sensor-day-night-carbon-dioxide-detector-0-5000ppm-for-greenhouse-hydroponics","title":"Smart CO₂ Controller with Day\/Night Detection","description":"\u003cp\u003eMaintaining consistent CO₂ levels can be difficult without accurate, real-time monitoring. This controller provides CO₂ monitoring and control with a dual-channel NDIR sensor, day\/night detection, and a remote sensor design for flexible placement in greenhouse and hydroponic environments.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasurement Range:\u003c\/strong\u003e 0–5000 ppm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy (0–3000 ppm):\u003c\/strong\u003e ±50 ppm or ±5% of reading\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy (\u0026gt;3000 ppm):\u003c\/strong\u003e ±7%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Resolution:\u003c\/strong\u003e 1 ppm (0–1000), 5 ppm (1000–2000), 10 ppm (\u0026gt;2000)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResponse Time:\u003c\/strong\u003e \u0026lt;2 min (63%), \u0026lt;4.6 min (90%)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarm-Up Time:\u003c\/strong\u003e \u0026lt;30 sec\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Input:\u003c\/strong\u003e AC 100–240 VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 32–122°F (0–50°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -4–140°F (-20–60°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating \u0026amp; Storage Humidity:\u003c\/strong\u003e 0–95% (non-condensing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Cable Length:\u003c\/strong\u003e 4.6 meters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Unit Dimensions:\u003c\/strong\u003e 153 × 33 × 27 mm (6.0 × 1.3 × 1.1 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Unit Dimensions:\u003c\/strong\u003e 195 × 145 × 44 mm (7.7 × 5.7 × 1.7 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight:\u003c\/strong\u003e 1293 g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Type:\u003c\/strong\u003e CO2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e LCD Screen\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Included:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Device:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Channel NDIR Sensor:\u003c\/strong\u003e Provides stable and accurate CO2 measurement with low drift performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDay\/Night Sensor:\u003c\/strong\u003e Built-in photo-cell adjusts operation based on lighting conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-Time Monitoring:\u003c\/strong\u003e Displays ambient CO2, set center value, and zone value on screen.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemote Sensor Design:\u003c\/strong\u003e Split-type sensor with 4.6-meter cable for flexible placement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReady to Use:\u003c\/strong\u003e No initial setup or calibration required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMAX\/MIN Display:\u003c\/strong\u003e Tracks and displays maximum and minimum readings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChart Display:\u003c\/strong\u003e Includes variable time zoom levels for data visualization.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e 1 x CO2 Controller Unit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e 4 x Screws\u003c\/li\u003e\n  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