V&A CO2 Transmitter VAT620/VAT622/VAT630/VAT632 Environmental Products?0 pages
V&A®
INSTRUMENT
CO2 Transmitter
► VAT62O-CO2/VAT622-CO2
VAT630-CO2/VAT632-CO2
Model
VAT620-CO2
Install mode
Wall mount
Display: LED indication
300~3000ppm
300~30000ppm (agricultural application)
CO2
Relay output
Analog output 4~20mA/0~1 OV
-20.0~50.0t; ±lt
Temperature Relay output
Analog output 4~20mA/0~1 OV
0-99.9% ±3%RH
Humidity Relay output
Analog output 4~20mA/0~1 OV
USB interface
RS485 communication (Modbus)
LAN communication (option)
Power 24V AC/DC
Correspod time
VAT622-C02
Wall mount
O
VAT630-CO2
Duct mount
VAT632-C02
Duct mount
CO2
1/e(63
90) <60s;Temperature and humidity:
%)change .Slow flow rates < 10s
C02 °C %RH
* Dual window NDIR sensor
• Analog output 4~20mA
* RS485 communication
* Max up to 30000ppm for C02
I
Mulit-controller
Blast gate |
actuator |
o 1--1
Blast gate
or Fan n
Blast gate | R 3lay output n
actuator
Blast gate
or Fan 1
Analog
output 1
Relay output 1
_
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