Our environment has been seriously affected by the rapid economic growth and industrialization in today ’s society. Environmental protection is the toughest issue that humans are facing today. Environmental indicators such as temperature, humidity, illumination, noise, dust, CO, CO2 are important data for ensuring a healthy living environment. UNI-T is committed to environmental protection by offering professional and comprehensive environmental testers. These meters output audio/visual alerts whenever
environment data goes beyond normal range.