Atal AT-VLX series User Manual

CO Transmitter/Controller
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Model
: AT-VLX series

Features


Real time detect, transmit and control indoor air quality

3-color TFT screen display and warning indoor CO2, TVOC, temperature and
relative humidity

Four buttons for operation conveniently

Two power supply optional for different application

Provide up to 3 analogs + 1 relay outputs or 3 relays + 1 analog outputs

Optional Modbus RS485 interface, to connect PC, realize remote control

Specification

Carbon Dioxide
Detecting gas
Gas sensor
Accuracy@25℃(77℉)
Stability
Calibration
Lifetime of NDIR CO2 sensor
Response time
Renewed signal
Warm up time
CO2 measuring range
CO2 display resolution
TVOC
Sensing element
TVOC measuring range
Temperature & Relative Humidity
Temperature sensor (selectable)
Measuring range
Accuracy
Electrical Specification and Functions
Power supply
Power consumption
LCD screen
Output
Carbon Dioxide (CO2)
NDIR sensor
±50ppm + 3% reading or ±75ppm (whichever is greater)
<2% of FS over lifetime (15 years) of sensor
ABC Logic self-calibration
15 years (normal using)
<2 minutes for 90% step change
Every 2 sec
2 hours (first time or using again after power off for a long time)
2 min (operation)
0~2000ppm (default)
0~5000ppm (selected in the advanced setup)
1ppm
Japan Figaro semi-conductor mixed gas sensor
0-30ppm
High precision digital integrated temperature and humidity sensor SHT,
or NTC thermistor
-
20~60℃/-4~140F (default)
Temp.: <±0.5℃@25℃
24VAC/VDC or 100-240VAC
5.5 W max. ; 2.5 W avg.
3-color TFT screen, with 4 buttons for operation
Up to 3× analog + 1× relay outputs or 3× relay + 1× analog outputs
Analog: 0~10V or 4~20mA or PID
Relay: rated current: 5A, resistance load
User Manual
0~100%RH
RH: <±3.0%RH （20%~80%RH）
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