Detection range:0 - 2000ppm 2001 ~ 9999ppm (accuracy is not guaranteed)
Resolution: 1ppm
Accuracy: +/-50ppm +/- 5% rd
PS: the atmospheric pressure on the degree of + 1.6% reading per kPa deviation fromnormal pressure, 100kPa.

Temperature range: - 10 to 60 degrees
Accuracy: + 0.6 C
Humidity range: 0.0 to 99.9%
Battery: 4 pcs x AA batteries
Warm-up time: 30 seconds
Storage temperature: - 2 0 ~ 6 0 
Storage Humidity: 0 ~ 9 9% RH (non-condensable gas water)
The operational temperature range: 0 ~ 5 0 
The operational humidity range: 0 ~ 9 5% RH (non-condensable gas water)
Instrument Size: 250 x 7 0 x56 mm (LxWxT)
Packaging: host, manual, external portable suitcase, battery

Introduction of carbon dioxide
Carbon dioxide is a colorless, odorless, does not burn the gas, so often as fire fighting purposes, but the high concentration dioxo
Monoxide can cause headaches, nausea, or psychosis caused by hypoxia, therefore, carbon dioxide is the indoor air quality index,
Indoor air quality deterioration may cause headaches, fatigue, itchy eyes and irritation, runny nose, dry throat, scalp
And ears itch (sick building syndrome).
In addition, carbon dioxide is the main cause of global warming, global carbon dioxide concentrations have been since before the Industrial Revolution
An increase of 280 ppm to 2004 370 ppm. The average temperature of the Earth's surface from the late 19th century, has also been
After an increase of 0.6 degrees Celsius. Carbon dioxide is also a big impact on the environment of the reasons put forward by the Kyoto Protocol.
The main source of carbon dioxide emissions from anthropogenic sources of energy production and transportation of fossil fuel combustion. Land use
PURPOSE change and deforestation also release more carbon dioxide into the environment.

The following are examples:
* Generation: Most energy plants using fossil fuels, the use of fossil fuel carbon dioxide emissions from electricity generation,
About 36 percent of global emissions.
* Transportation: Transportation emissions from fossil fuel use accounts for about 24 percent of global carbon dioxide emissions, with steam
Car as the main source.
* Industry: Excluding the use of electricity, industry accounts for about 18 percent of global carbon dioxide emissions. Future,
With the economic growth of developing countries, carbon dioxide emissions will be substantially improved.
* Buildings: Buildings use fuel to generate electricity and heating and cooling, lighting and power, including residential dioxide
Carbon emissions by about 8% of the world.
* Forests: According to the FAO report shows that in 1980 cut down forests, which reduce the large
Sequestration of carbon dioxide gas capacity, accounting for about a quarter of the total man-made carbon emissions.
* Respiration: respiration of plants and animals will produce carbon dioxide.

When you want to monitor carbon dioxide?
The air conditioning management
Because humans breathe produce carbon dioxide, according to the American Society of well-being and Air-Conditioning Engineers (America
Society of Heating, Refrigeration and Air Conditioning Engineers, ASHRAE)
Suggest that when the concentration of carbon dioxide in air ventilation should exceed 1,000 ppm. Therefore, air conditioning is not simply
Temperature adjustment. In the home, office and other activities where people often, the carbon dioxide concentration in management and a major
Managing one of the indicators. Control Manager concentration of carbon dioxide is the most effective way to ventilation, but the price is hyperventilation
Have to pay the high cost of energy, so, recently many intelligent building or green building, that is, carbon dioxide detectors
The indoor carbon dioxide concentrations within 1,000 ppm, not only to maintain good indoor air quality can be
Energy conservation sense.

List of relations with the morbid symptoms of carbon dioxide concentration and carbon dioxide concentration in the state as follows:
Carbon dioxide concentrations below 600ppm symptoms: None
Carbon dioxide concentration: 600 ~ 1000p pm symptoms: occasionally complained of headaches, lethargy, hot
Carbon dioxide concentrations greater than 1000ppm or more symptoms: complaining about headaches, lethargy, frequent hot

Carbon dioxide concentration: 350ppm responses: the fresh air of normal
Carbon dioxide concentration: 1,000ppm countermeasures: ASHRAE recommends that air-conditioning ventilation
Carbon dioxide concentration: 5,000ppm Solution: allowable concentration limit, or leave the protective measures necessary
Carbon dioxide concentration: 40,000ppm following measures: may cause hypoxia, can not enter or use air-supplied respirator Taiwan
Region mainly regulates carbon dioxide monitoring system based on "labor working environment measurement Implementation Measures"
Its contents are summarized as follows:
Central management of an air regulator building equipment indoor workplaces should be measured every six months dioxide
Carbon concentration more than once.
The workplace is one of the pit when the following circumstances, dust concentrations should be measured every six months, once to carbon dioxide
On:
(A) Excavation of the underground mine minerals, the mining sites.
(B) construction of a tunnel dug place cut it.
(C) have been completed before the two heads can pass the underpass.