If you can’t find what you’re looking for, please give us a call at 888-855-8880


TR9299-WiFi Battery Powered, Wi-Fi Communicating CO2 & Temperature Sensor With Webpage Accessible Data or Easy Integration With BAS Systems


Key Features

  • Ideal for permanent (wall mount), temporary or walk-through monitoring.
  • Battery provides 3-year operating life on 2 AA batteries. Also can use 5-24VAC/VDC line power.
  • On-board data logger can log up to 3,072 points.
  • Up to 200 WiFi transmitters can easily be integrated into wired BACnet™ IP, Modbus or SNMP networks using an inexpensive 3rd party gateway
  • Data easily routed to any Internet device or to an optional cloud database service (SQL database compatible) to allow data to be viewed on any computer, tablet or smartphone.
  • Configurable alarm function with audible, visual, email and text alarm indication (Ideal for LEED monitoring).
  • Easily configured via a USB plug-in PC interface.
  • User adjustable intervals for logging and transmitting.
  • Zero maintenance self-calibrating CO2 sensor.
  • “Commissioning Friendly” design supports accurate and simple in-field calibration verification or adjustment

  • LEED CO2 Monitoring (Credit EQc1)
  • Walk Through IAQ Surveys
  • Short Term Monitoring (1-7 days)
  • Integration With Building Control Systems


CO2 Technology: Wavelength specific LED Infrared source with self-calibration algorithm.

Calibration Interval: No calibration required when self calibration algorithm is activated. Otherwise calibration is recommended every 6 to 12 months.

CO2 Measurement Range: 0 to 2,000 ppm, 0 to 5,000 ppm, 0 to 1%

CO2 Operating Conditions: 0° to 50° C, 0 to 95% RH, 950 to 1050 bar

CO 2 Accuracy: +/- 50 ppm, +/- 3% of reading

CO2 Non Linearity: < 1% of full scale

CO2 Pressure Dependence: 0.13 % of reading per mm Hg

Temperature Accuracy: (45-120°F):± 0.9ºF

Sample Rate: Temperature 15 seconds, CO2 2 minutes (Adjustable), Continuous when line powered


Battery: 3.6 vdc Lithium Thionyl Chloride (2)

Battery Life: up to 157,680 transmissions

External Power (optional): 5-24v DC or AC. 1A peak current, 20mA average current


Transmission rate: User programmable

Log rate: User programmable

Broadcast: 12dBm 2.4 GHz 802.11b/g Wi-Fi module

Compatibility: Communicates with Industry Standard Access points

Encryption: Supports WEP128, WPA-PSK (TKIP), and WPA2-PSK (AES)

General: Small data packets (~75 bytes), Supports DHCP or Static IP, Channel agility

Data Packet Spec Link: TR9299UDPSpec

Certification: FCC, CE, and IC Class B compliant

Weight: 5 oz


This device contains transmitter module
FCC ID: T9J-RN171 IC: 6514A-RN171
US Patent: 6721546


(3 MB)