NO BATTERIES ARE INCLUDED IN THE PARCEL.
|
Test particle size |
0.3μm/2.5μm/10.0μm |
Light source |
Semiconductor lasers |
|
Formaldehyde range |
0-1000ug/m3 |
Accuracy |
±12%(or±12ug/m3) |
|
Temperature Range |
0℃~50℃/32~122℉） |
Accuracy |
+/-0.5℃ |
|
Humidity Range |
0~100%RH |
Accuracy |
+/-3%RH |
|
display |
320*240 2.8in LCD display |
Counting efficiency |
100±10%@0.5μm |
|
Sampling |
500s |
Sampling frequency |
1~99/Continuous |
|
Alarm levels |
1~100,000(FED209E Standard) |
Data Storage |
2000 |
|
2~9（ISO14464-1Standard） |
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|
Power supply |
9V or 5V battery (USB interface) |
Operating environment |
-10℃~50℃,10~90%RH |
|
Storage environment |
-20℃~60℃<90%RH |
|
|
|
Pollution level diagram |
Air quality grade |
24 hours PM 2.5 average standard value |
|
|
excellent |
0-35 |
|
|
good |
35-75 |
|
|
Slight pollution |
75-115 |
|
|
Moderate pollution |
115-150 |
|
|
Severe pollution |
150-250 |
|
|
Severe pollution |
>250 |