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V&A Indoor Air Quality Monitor and Controller-Wall embedded VAT940-CO2 Environmental Products?0 pages
V&A
INSTRUMENT
®
Indoor Air Quality Monitor
and Controller-Wall embedded
► VA940-CO2/VAT940-CO2-TH
Key Features
Monitor and control indoor air quality, suitable for bedroom, office,
conference rooms, theaters, public indoor places.
Monitor and control indoor CO2,temperature,and humidity,
control fresh air when required and energy savings.
Multi-monitor and controller in building automation
Custom threshold
LCD display, backlight.
USB interface
RS485 communication (Modbus)
Relay control output
Analog output 4~20m A/0-1OV (VAT941)
Input power 24V AC/DC
Specification
Output
RS485 | relay | Analog | FAN LEVEL | |||
Temperature | CO2 | Temperature | CO2 | |||
VAT940-CO2 | • | • | • | • | • | |
VAT940-CO2-TH | • | • | • | • | • | |
VAT940-CO2-F | • | A | A | □ | □ | • |
3Sf
V&A
©
UUPPM
in
' U%RH
0 | + |
1 r
Range | Resolution | Accuracy | VAT940-CO2 | VAT940- CO2-TH | VAT940- CO2-F | |||
C02 | 300- | 3000ppm | 1 ppm | 5%+50 | • | • | • | |
Tempera | ure | -20.0~50.0°C | 0.1 | C | ]°C | • | • | |
Humidity | 0.0- | 99.9%RH | 0.1 %RH | 3%RH | • | • | ||
C02
°c
%RH
VAT941 model can only choose one symbol at A or □
• Dual window NDIR sensor
• Analog output 4~20mA
* RS485 communication
sor
- | |
H | I |
- | |
32.0
More information online at www.mastech.com.cn
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