77294 AZ CO2 RH% Temp. Datalogger features:
* Large LED displays CO2 value, humidity and temperature.
* 12000 times auto logging. USB2.0 plug and play. No need to operate through specific software. Wall mount display with 3-color light bar to provide hazardous level indicator from far distance
* Touch panel to program the setting
* NDIR (non-dispersive infrared) waveguide CO2 technology
* 3-color lightbar (green / yellow / red) gradually changes color for CO2 concentration. CO2 automatic background calibration(called ABC) for long time drift compensation Buzzer alarm function is included
* Areas of application: Widely used in the office building, school, exhibition hall, shopping mall, meeting room, fitness center, restaurant and other public places where energy cost, personal comfort and healthy are important.


Application of 77294 AZ CO2 RH% Temp. Datalogger
The 77294 AZ CO2 Recorder  is an accurate, fast, smart and easy-to-use indoor air quality monitor. In addition to measuring the CO2 concentration, it also measures the ambient temperature, relative humidity and display the hazardous level. This monitor is developed to detect the presence of CO2 in ambient air and helps user to take care of Indoor Air Quality. 

The 77294 CO2 RH% Temp. Datalogger  has multiple applications in various settings where monitoring and recording indoor air quality is crucial. Here are some potential applications:

1. Office Buildings:
77294 CO2 RH% Temp. Datalogger can be used in office buildings to monitor CO2 levels, humidity, and temperature. It helps ensure a comfortable and healthy working environment for employees and can alert when CO2 levels exceed safe limits, indicating the need for ventilation.

2. Schools:
Monitoring indoor air quality in schools is essential for the well-being and concentration of students and teachers.
77294 CO2 RH% Temp. Datalogger can be installed in classrooms, libraries, or common areas to continuously monitor CO2 levels and provide alerts when necessary.

3. Exhibition Halls:
In large exhibition halls, where people gather for events and exhibitions, monitoring air quality becomes crucial.
77294 CO2 RH% Temp. Datalogger can be used to track CO2 levels and ensure optimal ventilation for the well-being of attendees and exhibitors.

4. Shopping Malls:
With a significant number of people visiting shopping malls daily, maintaining good indoor air quality is important.
77294 CO2 RH% Temp. Datalogger can help record CO2 levels and provide real-time information for facility managers to take appropriate actions.

5. Meeting Rooms:
Effective ventilation and comfortable air conditions are necessary for productive meetings.
77294 CO2 RH% Temp. Datalogger can be utilized in meeting rooms to monitor CO2 levels and provide visual indicators, ensuring the air quality remains within the desired range.

6. Fitness Centers:
In fitness centers, where people engage in strenuous physical activities, monitoring and recording air quality is important for the comfort and well-being of members.
77294 CO2 RH% Temp. Datalogger can help track CO2 levels and trigger alerts when ventilation is required.

7. Restaurants:
Maintaining good indoor air quality is crucial in restaurants to provide a pleasant dining experience for customers and a healthy working environment for staff.
77294 CO2 RH% Temp. Datalogger can monitor and record CO2 levels and assist in managing ventilation accordingly.

Overall, the application of 77294 AZ CO2 DataLogger extends to any public place where energy cost, personal comfort, and health are important factors. By monitoring CO2 levels, humidity, and temperature, it helps ensure optimal indoor air quality and enables timely actions to maintain a comfortable and healthy environment.

The 77294 AZ CO2 DataLogger was being designed and manufactured by AZ Instrument, a well experienced manufacturer of CO2 Meter.


Specification of 77294 AZ CO2 Humidity Temp. Datalogger:

Model 7729
CO2 Range 0~9999 ppm
CO2 Resolution 1 ppm
CO2 Accuracy ±50 ppm ±5% of reading (0~2000ppm),
Other range is 10% of reading
CO2 Response Time <30 seconds (63% of step change)
Temperature Range -10.0~60.0℃ (14.0~140.0 ℉)
Temperature Resolution 0.1℃/℉
Temperature Accuracy ±0.6℃/±0.9℉
Temperature Response time <2 mins (90% step change)
Humidity Range 0.1~99.9%RH
Humidity Resolution 1% RH
Humidity Accuracy ±5%RH (at 25℃, 10~90%RH)
±7%RH (at 25℃, Other range)
Humidity Response Time <20 mins (90% step change)
Auto Logging 12000 times records
IP Rating IP20
Operating -10~50℃, 0~95%RH(avoid condensation)
Storage -20~50℃, 0~95%RH(avoid condensation)
Power Supply 5VDC USB Type C Port
Power Consumption <500mA
Standard Package Meter, Manual, USB Type C Cable
Hanging accessories
Weight 450 g
Meter Size 226 (L) * 152 (W) * 45 (H) mm

77294 AZ CO2 Humidity Temp. Datalogger Operation Video

AZ 77294 CO2 Data Logger Unboxing Video

AZ CO2 meters are your reliable choices to measure CO2 in the air