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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<10s VOC: 20m2 indoor, for 10ppm ethanol<1min,for flue gas<5min | |
Alarm | 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 | |
