Measured variable CO2
Measuring range	0 ... 9999 ppm
Accuracy	± 75ppm or ±5 % of measured value (whichever is greater)
Resolution	1ppm
CO2 sensor type	NDIR Sensor
Measured variable temperature
Measuring range	-10 ... 50 °C / 14 ... 122 °F
Accuracy	±1 °C
Resolution	0.1 °C
Measured variable air humidity
Measuring range	20 ... 95 % r.H.
Accuracy	±5 % r.H.
Resolution	1 % r.H.
Technical Specifications
Display	3.5" touch LC display
Sampling frequency	1,5 seconds
Power supply	5V, mini USB
Autonomy	Approx. 6 hours
Recharge time	Approx. 2 hours
Condizioni operative	1-85 °C / 34-185 °F / 20-85 % r.H.
Degree of protection	IP21
Dimensions	96 x 86 x 32.5 mm  / 3.7 x 3.4 x 1.2"
Weight	200 g / 7 oz

 

Caratteristiche:
- Traffic light function when the limit value is exceeded
- Touch display with lighting
- Numerical display of the CO2 measured value
- Progress display for °C, r.h., CO2
- USB supply
- Maintenance-free NDIR CO2 sensor
- Innovative design
- Measuring range up to 9999 ppm CO2

 

The desktop thermohygrometer is a precision instrument designed for the simultaneous measurement of three crucial environmental parameters: temperature, relative humidity, and carbon dioxide (CO2) concentration in the air. Equipped with a Non-Dispersive Infrared (NDIR) sensor, it provides highly accurate and reliable CO2 detection. This device is used to monitor air quality, helping to ensure optimal conditions for comfort, health, and safety.

 

The thermohygrometer is used to assess and control air quality by providing real-time data that helps maintain CO2 levels within acceptable limits and regulate temperature and humidity for maximum well-being. High CO2 concentration can indicate insufficient ventilation, leading to discomfort, reduced cognitive performance, or even health risks. Constant monitoring of these parameters allows for preventive measures, such as improving ventilation or adjusting heating and cooling, to prevent issues associated with poor indoor air quality.

 

To use the thermohygrometer, position it on a stable surface within the environment to be monitored. Powered via a 5V mini USB connection, it should be connected to a power source such as a wall adapter or a computer USB port. Once powered on, the device measures environmental parameters with a sampling frequency of 1.5 seconds, continuously updating the values displayed on the 3.5-inch LCD touch screen. Users can set two CO2 limit values, which are displayed on the screen with a color-coded system, similar to a traffic light: green for safe levels, yellow for caution, and red for alarm.

 

This instrument is utilized by environmental engineers, safety technicians, facility managers, medical professionals, and laboratory supervisors to ensure that indoor environments are safe and meet air quality standards. It can also be employed by HVAC professionals to optimize climate control systems based on collected data.

 

The thermohygrometer is suitable for use in offices, schools, universities, hospitals, research centers, libraries, museums, and any other enclosed spaces where monitoring air quality is crucial for protecting health and comfort. It is also used in industrial settings, particularly in factories and facilities where ventilation control is critical. Additionally, it is a fundamental tool for environmental analysis in scientific laboratories, where precise control of temperature, humidity, and CO2 is essential for experimental validity.

 

With its precision (±75 ppm or ±5% for CO2, ±1 °C for temperature, ±5% RH for humidity) and ease of use, the desktop thermohygrometer is a versatile and indispensable tool for ensuring a safe, healthy, and compliant environment.

 

1 x Thermo-Hygrometer PCE-CMM 8
1 x USB cable
Instruction manual