Specifications
|
Monitoring parameters |
CO2 |
VOC |
Temperature |
Relative humidity |
|
Sensing element |
Non-Dispersive Infrared Detector (NDIR) |
Semiconductor mix gases sensor |
Digital combined temperature and humidity sensor |
|
|
Measuring range |
0~5000ppm |
0~30ppm |
-20~60 |
0~99%RH |
|
Display Resolution |
1ppm |
5ppm |
0.1 |
0.1%RH |
|
Accuracy@25(77) |
±50ppm + 3% of reading |
±10% |
±0.5 |
±3%RH |
|
Life time |
15 years (normal) |
57 years |
10 years |
|
|
Stability |
<2% |
—— |
<0.04 per year |
<0.5%RH per year |
|
Calibration cycle |
ABC Logic Self Calibration ( No client separate calibration) |
—— |
—— |
—— |
|
Response Time |
<2 minutes for 90% change |
<1 minute (for 10ppm hydrogen, 30ppm ethanol) <5 minute (for a cigarette) in 20m2 room |
<10 seconds to reach 63% |
|
|
Warm up time |
2 hours (first time) 2 minutes (operation) |
|||
|
Electrical Characteristics |
|
|
Power supply |
5VDC, Power adapter connected directly to 100VAC~220VAC. |
|
Consumption |
3.5W max; 2.5 W average |
|
Display and Alarm |
||
|
Screen |
7-inch 16:9 LCD display: 152mmX84.5mm For other customized size LCD screen, please contact us directly. |
|
|
3-color backlit LCD
|
self-adjusted brightness and selectable 3-color backlit switch mode |
|
|
Green: CO2<1000ppm (optimal air quality) VOC<10ppm (low pollution)
Yellow: CO2>1000ppm (moderate air quality) VOC>10ppm (medium pollution)
Red: CO2>1400ppm (poor air quality) VOC>20ppm (heavy pollution)
Two switch modes selectable: both CO2 and VOC over the setpoints(default) any one over the setpoint |
||
|
Backlight brightness |
Automatically adjust the brightness according to the environment |
|
|
Real-time display |
Year, month, day, week, clock |
Temperature, RH, CO2, CO2 average level, VOC |
|
Conditions of Using and Installation |
|
|
Operation conditions |
-10~50(14~122); 0~95%RH, non condensing |
|
Storage conditions |
-40~70(-40~158) |
|
Weight |
450g |
|
Dimensions |
230mm(W)×160mm(H)×35mm(D) |
|
Installation |
Desktop or Hanging |
|
Housing IP class |
PC/ABS, protection class: IP30. |
|
Optional Functions |
|
|
USB data logging (optional) |
USB2.0 host mode: support the regular collection, sampling cycle selectable. Preset selected sampling measurements. Support U disk offline or online record. Built-in 16MBit data memory |
|
Short-distance wireless (optional) |
ZigBee (2.4G IEEE 802.15.4) protocol available, as well as another appointed protocol. Automatic buildup network, 16 channels, automatically select a reliable channel based on the environment. The reliable transmission is up to 1000 meters in the visible range. |
Description
1. Indicating and alarm for poor ventilation.
2. Sound alarm for high concentration to avoid poisoning
3. Used to control a ventilato
