ZyAura ZGA21 - General Introduction

General Introduction
Indoor Air Quality (IAQ) is measure for the quality of air in interiors, the comfortable indoor environmental quality
can make people feel fresh, work efficiency and good for the health. The CO2 concentration is the important
factor of good indoor air quality. People breath in oxygen and breath out CO2, nowadays people often close the
windows to avoid noise and enjoy the comfort living and working environment provided by air-conditioning
systems, which results in the fact that the indoor concentration of CO2 is far higher than outdoor average. With
the high CO2 concentration and non- proper ventilation, people will feel headaches, dull, drowsiness, loss of
concentration and correspond to the high levels of dust, chemicals and bacteria in the air.
Features & Display Features and Modes
Features & Display Features
Modes
Dual Beam NDIR (Non-Dispersive Infrared) technology is used to
measure CO2 concentration up to 50,000 ppm (parts per million) and
electrochemical technology to measure O2 concentration up to 30%.
With the SEU (Sensor Unit) and RDU (Remote Display Unit), it can
connect up to 3 RDU for safety notices.
Large digital LCD display clearly indicates the ambient CO2、O2(optional)
Concentration and Temperature.
Relay output can automatically control a fan to ventilate confined spaces.
Audible and Visual Alarm indications.
IP54 Water Proof Protection of SEU (Sensor Unit) except backside when
installed on the wall.