{"product_id":"belimo-22dtc-51-duct-quality-sensor","title":"Belimo 22DTC-51 Duct Quality Sensor","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe BELIMO 22DTC-51 is an active sensor for measuring CO2 with an integrated temperature sensor, featuring dual-channel CO2 technology. Designed for duct mounting with a NEMA 4X rated enclosure, it includes a CO2 gas sensor and a conduit adapter. Field selectable with an output voltage signal range of 0 to 5V and 0 to 10V.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eActive Sensor For Measuring CO? Or With Integrated Temperature Sensor.\u003c\/li\u003e\n  \u003cli\u003eDual Channel CO? Technology.\u003c\/li\u003e\n  \u003cli\u003eCO2 Gas, Conduit Adaptor, Field Selectable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eThe BELIMO 22DTC-51 is ideal for combined duct CO2 and temperature monitoring, especially in demand-controlled ventilation systems.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: BELIMO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 22DTC-51\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Single-hole duct penetration; A-22D-A34 plastic mounting flange (up to 248°F \/ 120°C) included\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnclosure\u003c\/strong\u003e: NEMA 4X \/ IP65 (UL Enclosure Type 4X), UL 2043 plenum compliant\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProbe Lead\u003c\/strong\u003e: 5-7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration\u003c\/strong\u003e: Duct\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensors Application\u003c\/strong\u003e: Gas Specialty, Temperature\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage Signal Range\u003c\/strong\u003e: 0 To 5 V, 0 To 10 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Greenhouse,Laboratory,Food \u0026amp; Beverage,IAQ,Parking Garage,Agricultural\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDegree of Protection\u003c\/strong\u003e: IP65 NEMA4X\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e: Pluggable spring-loaded terminal block, max 2.5 mm²\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasured Values\u003c\/strong\u003e: CO2, Temperature\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasuring Range Temperature\u003c\/strong\u003e: 40...140B0F [4...60B0C]\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasuring Range Velocity\u003c\/strong\u003e: Min. 1 ft\/s [0.3 m\/s]\nMax. 40 ft\/s [12 m\/s]\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Type\u003c\/strong\u003e: Single Point\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Signal\u003c\/strong\u003e: Voltage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProbe Length\u003c\/strong\u003e: 7\" [180 mm]\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Sensor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Type\u003c\/strong\u003e: Air quality\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage AC\/DC\u003c\/strong\u003e: AC\/DC24V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Type\u003c\/strong\u003e: CO2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Style\u003c\/strong\u003e: Active duct insertion sensor — CO2 + Temperature\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Signals\u003c\/strong\u003e: 2× 0-5V or 0-10V (jumper-selectable per channel, min 10 kΩ load)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCO2 Sensing Technology\u003c\/strong\u003e: NDIR (non-dispersive infrared), dual-channel with self-calibration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCO2 Measuring Range\u003c\/strong\u003e: 0-2000 ppm default; 0-5000 ppm with A-22G-A05 accessory\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCO2 Accuracy\u003c\/strong\u003e: ±(50 ppm + 3% of measured value)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCO2 Long-Term Stability\u003c\/strong\u003e: ±50 ppm per year\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCO2 Time Constant τ (63%)\u003c\/strong\u003e: Typical 33 s @ 1 m\/s air velocity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Sensing Element\u003c\/strong\u003e: Active Pt 1000 platinum RTD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Measuring Range\u003c\/strong\u003e: 40–140°F (4–60°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Accuracy\u003c\/strong\u003e: ±0.5°F (±0.3°C) at 77°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Time Constant τ (63%)\u003c\/strong\u003e: Typical 125 s @ 3 m\/s\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardware Revision\u003c\/strong\u003e: A-22D-A34 with 1\/2\" NPT conduit adapter (2024 revision)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNFC Configuration\u003c\/strong\u003e: Yes — Belimo Duct Sensor Assistant App (iOS \/ Android)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Air Flow\u003c\/strong\u003e: min. 1 ft\/s (0.3 m\/s); max. 40 ft\/s (12 m\/s)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConduit\u003c\/strong\u003e: 1\/2\" NPT conduit adapter included + ø6-8 mm cable gland with strain relief\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply\u003c\/strong\u003e: 24 VAC\/VDC (19–29 VAC, 15–35 VDC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Consumption\u003c\/strong\u003e: 4.3 VA AC \/ 2.3 W DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Entry\u003c\/strong\u003e: Cable gland with strain relief, ø6...8 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHousing\u003c\/strong\u003e: UV-resistant polycarbonate, orange — UL94 5VA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProbe Material\u003c\/strong\u003e: PA6, black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection Class\u003c\/strong\u003e: IEC\/EN III, SELV; UL Class 2 supply\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification\u003c\/strong\u003e: IEC\/EN 60730-1, CE Marking\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Belimo\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 22DTC-51\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: 5 years\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e: CO2: 0 to 2000 ppm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e: 24 VAC, ±10%, 2.9 VA  (15...24 VDC, ±10%,\n    1.5 W)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity\u003c\/strong\u003e: 85% RH non-condensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature\u003c\/strong\u003e: ±1% of measuring range @ 70°F [21°C]\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: CO2: ±75 ppm; \u0026gt;750 ppm: ±10% of measuring value\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: 32°F to  120°F [0°C to 50°C]\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal Output\u003c\/strong\u003e: DC 0-5V, DC 0-10V,  4-20 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensing Technology\u003c\/strong\u003e: NDIR (non-dispersive  infrared) with\n    stainless steel wire mesh filter, dual channel calibration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.26 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApprovals\u003c\/strong\u003e: IEC\/EN, ISO 9001, UL 2043, UL 50\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Number\u003c\/strong\u003e: 22DTC-51\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: Belimo\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Configuration\u003c\/strong\u003e: Duct\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor\u003c\/strong\u003e: CO2 Carbon Dioxide\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"BELIMO","offers":[{"title":"Default Title","offer_id":51162258145586,"sku":"22DTC-51","price":536.58,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/306249523.png?v=1778894280","url":"https:\/\/voomisupply.com\/products\/belimo-22dtc-51-duct-quality-sensor","provider":"Voomi Supply","version":"1.0","type":"link"}