{"product_id":"c7233a1008-honeywell-wall-mount-co2-sensor-ndir-02-10-v-4-20-ma-lcd-display","title":"C7233A1008 | Honeywell Wall-Mount CO₂ Sensor NDIR 0\/2–10 V 4–20 mA LCD Display","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Honeywell C7233A1008 CO₂ Sensor is a wall-mounted, non-dispersive infrared (NDIR) device engineered for continuous indoor air quality monitoring. Operating on 24 VAC\/DC, it provides field-selectable 0\/2–10 VDC or 4–20 mA analog outputs and a relay output for ventilation or damper control. This unit combines accurate CO₂ sensing with a clear LCD display for easy reading and system integration in HVAC applications.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 509.439px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003eSensors \u0026amp; Switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003eC7233A1008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003eCO₂ Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003eNon-dispersive infrared (NDIR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003eWall mount, vertical surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eEnclosure Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e0–2000 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e±(30 ppm + 3 % of reading)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e\u0026lt; 20 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eOutput Signals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e0\/2–10 VDC or 4–20 mA (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eRelay Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003eSPST NO, 1 A @ 24 VDC\/50 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e24 VAC\/DC ±20 %, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e3 W (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003ePeak Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e600 mA (20 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e32 °F to 122 °F (0 °C to 50 °C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e-40 °F to 158 °F (-40 °C to 70 °C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e0–95 % RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003eLCD with CO₂ ppm and LED indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eDimensions (in.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e5 ¹⁄₁₆ H × 3 ⁵⁄₃₂ W × 1 D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eThreshold Settings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e800, 1000, 1100, 1200 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003eAutomatic background calibration (ABC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eWiring Terminals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e24 AWG maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 35.517%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 61.1704%; height: 19.5938px;\"\u003e0.55 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eC7233A1008\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe C7233A1008 is part of Honeywell’s C7233 series of NDIR CO₂ sensors designed for commercial and institutional spaces where demand-controlled ventilation is essential. Housed in a durable white plastic enclosure, it mounts on a standard single-gang wall box for clean installation. The sensor features a programmable threshold relay output for direct control of fans or dampers, ensuring energy-efficient ventilation in compliance with ASHRAE indoor air quality standards. Equipped with an automatic background calibration algorithm, the C7233A1008 maintains long-term accuracy—up to ten years—without requiring manual recalibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNon-Dispersive Infrared (NDIR) Technology: Provides precise and stable CO₂ measurements unaffected by other gases or humidity.\u003c\/li\u003e\n\u003cli\u003eDual Analog Outputs: Field-selectable 0\/2–10 VDC or 4–20 mA signals ensure flexible compatibility with various control systems.\u003c\/li\u003e\n\u003cli\u003eIntegrated Relay Output: Activates external ventilation or damper control when preset CO₂ thresholds are exceeded.\u003c\/li\u003e\n\u003cli\u003eAutomatic Background Calibration: Maintains sensor accuracy for over a decade, minimizing maintenance requirements.\u003c\/li\u003e\n\u003cli\u003eFast Response Time: Provides updated CO₂ readings in less than 20 seconds for real-time environmental control.\u003c\/li\u003e\n\u003cli\u003eWide Measurement Range: Monitors CO₂ concentrations from 0 to 2000 ppm with ±3 % accuracy.\u003c\/li\u003e\n\u003cli\u003eLCD Display with LED Indicator: Offers clear readouts of CO₂ levels and alert status for immediate visual feedback.\u003c\/li\u003e\n\u003cli\u003eCompact Wall-Mount Design: Installs easily in standard electrical boxes with a smooth, low-profile finish for modern interiors.\u003c\/li\u003e\n\u003cli\u003eSelectable Threshold Settings: Adjustable relay trigger points at 800, 1000, 1100, and 1200 ppm for customized ventilation control.\u003c\/li\u003e\n\u003cli\u003eRobust Environmental Ratings: Operates reliably from 32 °F to 122 °F (0 °C to 50 °C) and up to 95 % RH non-condensing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe C7233A1008 delivers the accuracy, efficiency, and flexibility required for demand-controlled ventilation in offices, schools, and commercial facilities.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105122558208,"sku":"C7233A1008","price":542.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/s-l1600_6fc067ba-a29a-49c9-a918-aa865246579c.webp?v=1785540748","url":"https:\/\/alotechparts.com\/products\/c7233a1008-honeywell-wall-mount-co2-sensor-ndir-02-10-v-4-20-ma-lcd-display","provider":"Alo Tech Solutions","version":"1.0","type":"link"}