V&A CO2 Controller for Agricultural Application VAT921-CO2/VAT931-CO2 Environmental Products?0 pages
V&A®
INSTRUMENT
CO2 Controller For Agricultural Application
► VAT921-C02 Wall mount
VAT931-C02 Separated type sensor
Key Features
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-CCh)
Black/white LCD display (VAT931-C02)
Separated type sensor install (VAT931-C02)
USB interface and RS485 communication (Modbus protocol)
3 ways Relay output
Analog output 4~20mA( Optional: 0-10V,0-5V,Please remark)
Correspod time:CCh :,(T90) <60s;Temperature and humidity:
1/e(63%)change ,Slow flow rates <10s
Input power 24V AC/DC
Specification
Range | Resolution | Accuracy | Relay | Analog output | |
C02 | 300~30000ppm | 1 ppm | 5%+100 | • | • |
Temperature | -20~5(TC | 0.1 °C | 1°C | • | • |
Humidity | 0.0~99.9%RH | 0.1 | 3% | • | • |
VAT921-C02
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V&A.
II
• Dual window NDIR sensor
• Analog output 4~20mA
* RS485 communication
• Max up to 30000ppm for CO2
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VAT931-C02
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