For monitoring and controlling indoor carbon dioxide concentrations, suitable for conservatories, greenhouses places. mushroom, grown room and other agricultural applications
Max Up to 30000ppm for CO2
Color TFT LCD display with touch screen (VAT921-CO2)
Black/white LCD display (VAT931-CO2)
Separated type sensor install (VAT931-CO2)
USB interface and RS485 communication（Modbus protocol）
3 ways Relay output
Analog output 4~20mA( Optional: 0-10V,0-5V,Please remark)
Correspod time: CO2 :,(T90) <60s;Temperature and humidity: 1/e(63%)change ,Slow flow rates <10s
Input power 24V AC/DC
Dual window NDIR sensor
Analog output 4~20mA
Max up to 30000ppm for CO2
SHANGHAI YIHUA V&A INSTRUMENT CO.,LTD, known as Mastech Shanghai, is one of the major test instrument manufacturers in China specialized in professional test and measurement instruments .
As a high-tech equipped modern factory, we have advanced equipments in manufacturing and calibration.The quality assurance system and our well experienced R&D team make us one of the best quality factory in Asia. Our V&A brand gets known to be the first choice among professionals. Our product line covers different industries such as electronic tools, electrical power, food and chemical, atmosphere monitoring, education and consumer electronics, etc. With our strong tech support and marketing service, we are the main supplier of test instrument for the major distributors in over 100 countries.
As a comprehensive company,SHANGHAI YIHUA V&A INSTRUMENT CO.,LTD will do more to contribute to China's compatibility in the world market and will take the lead of the test instrument industry in China.