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Appendix A
Specifications*
PM Sensor
Sensor Type ............... Light scattering single particle counting
Aerosol Concentration
Range .........................
0 to 1000 μg/m
3
Measurements ........... PM1.0, PM2.5 PM4.0, and PM10 on SD Card
and PM2.5, PM10 on Cloud
Measurement
Resolution ..................
1 µg/m
3
Counting Efficiency .... 50% at 0.3 µm and 98% at 0.5 µm
Accuracy .................... ±10 % @ 100 – 1000 µg/m
3
when compared
to a DustTrak
™ DRX monitor
Zero Stability .............. ±1 µg/m
3
Sample Flow Rate ...... ~ 0.3 L/min
Response Time .......... 1 second
Start-up Time ............. < 8 seconds
Operating
Temperature Range ...
-10 to 60ºC
Operating Humidity
Range .........................
0 to 95% non-condensing
Storage Temperature . -40 to 70ºC
Acoustic Emissions
Level ...........................
25 dBA @ 0.2 m
Temperature Sensor
Range ......................... -40 to 125°C
Accuracy .................... ±1°C
Response Time .......... 5 to 30 seconds
Humidity Sensor
Range ......................... 0 to 100% RH
Accuracy .................... ±2 % RH
Response Time .......... 8 seconds