CO
2
Sensor
Sensor type
Non-dispersive infrared
Accuracy
2
3
±3% ±50ppm
Resolution
1ppm
Range
4
400-2000ppm
KM-102 Module
5
TVOC
Sensor Type
MOS
Precision
6
7
±15%
Resolution
1ppb
Sensitivity
125ppb
Temperature
Range
-20 - 100
℃
Accuracy
±1
℃
Resolution
1
℃
Relative Humidity
Range
0-99%
Accuracy
±5%
Resolution
1%
KM-100 Module
8
PM
2.5
Sensor Type
Light scattering (350nm)
Precision
9
10
±10% (<30
µ
g/m
3
: ±3
µ
g/m
3
)
Resolution
1
µ
g/m3
Range
1-1000
µ
g/m
3
Measurable particle size
0.3-2.5
µ
m
Connection
Wi-Fi (2.4Ghz), Ethernet
Support for hidden SSIDs, CaptivePor-
tal and proxy servers
Data logging
8GB of on-board memory
(>50,000,000 data points)
>100 years at 1 minute interval
External storage
Cloud-based, Micro-SD card, USB
Log interval
1 minute, 1 hour, 1 day
Screen
7” full colour touchscreen
Technical Specifications
1