http://www.channeleco.com/en/Item/Show.asp?m=1&d=1233
Product description:QT-CO2 is a fast response carbon dioxide meter with built-in temperature compensation function. It can accurately detect CO2 within the whole temperature range. It is equipped with a ceramic base which has better thermal conductivity, therefore the preheating response is between 2 to 5 minutes.

Feature:
- GPS coordination can be recorded
- Record data Automatically or manually
- Wireless data transmission via Wi-Fi
- Recognize sensors by two-dimensional code
- Automatically recognize connected sensors
- Terminal memory card is up to 32G
- Display real-time data and curve of recorded data
- Export data to Excel for analysis
Technical Parameters:
QT-CO2
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Technical Parameters
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Measurement Range
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0~10000 ppm
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Measurement Accuracy
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<5%
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Response Time
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<5 min
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Power Supply Voltage
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6 VDC, 30 mA
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Output Signal
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0~2 V
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Operating Temperature
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-40 ~80 ℃
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Android Hand-held Terminal
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Technical Parameters
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CPU
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quad-core:1.3GHz
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Operating System
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Android 4.2
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ROM
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4G
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RAM
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1G
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Extended Memory
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up to 32G
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Screen Size
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5 inches
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Screen Resolution
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960 * 540
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Operation Mode
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Touch screen
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Screen Color Support
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16 million colors
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ORIGIN: CHINA
bio-equip.cn
For the purpose of introduction and promotion of global advanced instrumentation and technology in the fields of terrestrial ecology, aquatic ecology and life science, Channel Technology Group Limited was established in 2001. In addition to headquarter in Hong Kong, Channel has established branches all over China,including Beijing, Shanghai, Kunming,Nanjing, Chengdu, Urumchi and Guangzhou. Besides the strong sales and technical support network, Channel does process three after-sales service centers and spot warehouses in Beijing, Shanghai, Kunming and a bonded warehouse in Hong Kong.