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Best sell Touch screen indoor air quality monitor and controller with temperature humidiry and co2-w

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Min. Order / Reference FOB Price
20 Piece	US $2.00/ Piece

Local Area:	Shanghai, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, D/P, Paypal, Western Union

Brand:	V&A
Model Number:	VAT920-CO2 / VAT920-CO2-VOC
Wall mount:	Indoor air Quality monitor
VAT920-CO2:	Temperature. Humidity . CO2

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Touch screen indoor air quality monitor and controller
Model
VAT920-CO2
VAT920-CO2-VOC
Operating
Touch screen
Display
ColorTFT LCD ,size:50x65 mm
Measuring range
Temperature:-30--70°C
Humidity:0--100%
CO2:0--3000ppm
Temperature:-30--70°C
Humidity:0--100%
CO2: 0--3000ppm
VOC: 0--30ppm
(Anologue display)
Accuracy
Temperature:+/- 0.5°C ,Humidity:+/- 3%RH ,CO2: +/- (50ppm+3%)
Sensor
Humidity:Capacitive , CO2: Dual window NDIR
Correspod time
CO2 :,(T90) <60s; Temperature and humidity: 1/e(63%)change ,Slow flow rates<10sAlarm
Sound and light alarm
USB interface
yes
Digital signal output
Optional: A: RS485 B:LAN C: Bluetooth wireless transmission
Analog output
Optional X : 4-20m A Y : 0-10V Z: 0-5V
Input power
Optional 1: 100-220VAC 2: 24VDC/AC 3: 12vDC
Threshold set
Custom threshold
Switch
3 relays
Communication protocol
Modbus
Power consumption
5W maximum average 3.5W
Warm-up time
2 minutes, and for the first time 2 hours
Use environment
-10—50degree, 0--95%(No condensation)
Housing
IP40
Storage environment
-40—70degree,0 --95%
Size
135*91*36mm
Wall Mount ( Indoor air quality monitor )
Model
VAT820-CO2
VAT820-CO2-VOC
Operating
Touch screen
Display
ColorTFT LCD ,size:50x65 mm
Measuring range
Temperature:-30--70°C
Humidity:0--100%
CO2:0--3000ppm
Temperature:-30--70°C
Humidity:0--100%
CO2: 0--3000ppm
VOC: 0--30ppm
(Anologue display)
Accuracy
Temperature:+/- 0.5°C ,Humidity:+/- 3%RH ,CO2: +/- (50ppm+3%)
Sensor
Humidity:Capacitive , CO2: Double windows NDIR
Correspod time
CO2 :,(T90) <60s; Temperature and humidity: 1/e(63%)change ,Slow flow rates<10s
VOC: 20m2 indoor, for 10ppm ethanol<1min,for flue gas<5min
Alarm
Sound and light alarm
Digital signal output
Standard: No
Optional:Followed by the modelWith A or B or C
A: RS485
B:LAN
C: Bluetooth wireless transmission
USB interface
yes
Communication protocol
Modbus
Input power
Standard:100-220VAC,:Optional: 24VDC/AC,5VDC, please remark
Power consumption
5W maximum average 3.5W
Warm-up time
2 minutes, and for the first time 2 hours
Use environment
-10—50degree, 0--95%(No condensation)
Housing Waterproof Level
IP40
Storage environment
-40—70degree,0 --95%
Size
135*91*36mm