cSense CO2 + RH/T Monitor w. Relay

cSense CO2 + RH/T Monitor w. Relay
cSense CO2 + RH/T Monitor w. Relay
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  • AZ-0015

  • AZ-0015-DL

For large quantities, please contact Sales@CO2Meter.com

Browse more CO2 Meter or additional AZ Instruments products.


The cSense continuously displays carbon dioxide, temperature and relative humidity levels so you can monitor the quality of air in your home, office, or factory. Just plug it in – the cSense turns on instantly, is self-calibrating, and is designed to last for years.

In addition to monitoring levels, the cSense has both a user-configurable 80dB alarm and a relay output. The normally-open relay closes when the CO2 level reaches the pre-set high level to turn on a ventilation fan.

Unlike chemical gas sensors that last for months and must be replaced, the non-dispersive infrared diffusion CO2 sensor (NDIR) in the cSense provides the following benefits:

  • Sensitive & accurate – information you can act on
  • Self-calibrating – no need to send the monitor in for re-calibration
  • Manual calibration important for gardening with supplemental CO2
  • No moving parts – nothing to break or wear out
  • Does not loose accuracy in heat or cold
  • No over-exposure or negative memory effects


This device does not meet requirements for CO2 monitoring in the NBIC, NFPA, or IFC regulations. The accuracy of the sensor in the AZ-0015 is not designed for safety situations. Refer to our CO2 Safety Products page for devices that meet code requirements, or call us at (877) 678-4259 toll free or email us at sales@CO2Meter.com to speak with our technical sales team about purchasing the correct device.


  • CO2 Range: 0 – 9,999 ppm
  • CO2 Accuracy: ± 50ppm ±5% reading value
  • Alarm: Loud 80DB configurable buzzer
  • Relay (Screw terminal): 1A @ 30VDC or .5A @ 120VAC Normally Open
  • Temperature Range: +14 to +140F (-10 to +60C)
  • Temperature Accuracy: ±0.9 F (±0.6 C)
  • Humidity Range: 0.1% to 99.9% RH
  • Humidity Accuracy: ±5% RH
  • Power Consumption: 12VDC (±10%) >50mA)
  • Display: Temperature, Humidity and CO2
  • Data Logging capabilities while tethered to PC via RS232 interface and software
  • Size: 130x85x60mm
  • Weight: 7.05 oz (200g)


  • 110/220 VAC Wall Adapter
  • User’s Manual

Optional Accessories


  • 1 year

carbon dioxide temperature humidity monitor Data Sheet (pdf)

carbon dioxide temperature humidity monitor Manual (pdf)

pSense Data-Logger Software (zip)