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Air Quality

Ourwireless Air Quality PM2.5 um meter measures PM1, PM2.5 and PM10 concentrations in the air and transmits the measurement to iMonnit. The PM2.5 meter works by turning on a small fan at the beginning of a measurement cycle to bring in a volume of ambient air and measuring the particulate matter (PM) content of that sample volume. The sensor measures PM content using a laser that scatters based on the number and size of particles suspended in the air. It is important to keep the inlet ports of the sensor clear to ensure proper readings.

Measurement Sensitivity PM1: 0.3 to 1.0 um
PM2.5: 1.0 to 2.5 um
PM10: 2.5 to 10 um
Counting Efficiency 50% @ 0.3 um, 98% @ >= 0.5 um
Effective Range 0 to 500 ug/m^3
Maximum Range 0 to 1000 ug/m^3
Maximum Consistency Error +/- 10% @ 100 to 500 g/m^3
+/- 10 ug/m^3 @ 0 to 100 ug/m^3
Response Time ~10 Seconds
Active Current ~180 mA @ 3.3 battery voltage, ~0.6 W overall
Operating Temperature -10°C to 60°C
Operating Humidity Range 0 to 99%
Mean Time to Failure >= 3 Years
Battery Type 2 Replaceable AA 1.5 V Batteries
Dimension 4.375 in x 2.470 in x 1.12 in
Supply Voltage 2.0 – 3.8 V (2 x AA 1.5V Batteries or Optional Power Supply)
Battery Life At 1 hour heartbeat setting, included AA batteries will typically last 6-8 Years. **
Max Operating Temperature Using AA Alkaline -18°C to 55°C (0°F to 130°F)
Max Operating Temperature Using AA Lithium -40°C to 60°C (-40°F to 140°F)
Optimal Battery Operating Temperature +10°C to +50°C (+50°F to +122°F)
Enclosure Material ABS
Operating Frequency 868 MHz Operating Frequency
Certifications CE Certified. Tested and found to comply with: EN 300 220-2 V3.1.1 (2017-02), EN 300 220-2 V3.1.1 (2017-02) and EN 60950.
Security Encrypt-RF® (Diffie-Hellman Key Exchange + AES-128 CBC)
Device Range Device Range Up to 1,200 ft. non-line-of-sight, wireless device range*

Building/Room Air Quality

Pollution Sensing

Mines and Quarries

Cement Factories

Construction/Demolition Sites

Petrochemicals

Agricultural/Waste

Many additional applications

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