Temtop PMD 351 Handheld Particle Counter Particulate Meter for PM1.0/PM2.5/PM4.0/PM10/TSP

Technical Specifications:

Measurement Range: 0~1000 ?g/m³
Accuracy: ±10%
Resolution: 0.1 ?g/m³
Light Source: 50mW, 780nm
Sampling Period: 1 min
Flow Rate: 2.83 L/min
Communication: USB/RS-232
Memory: 2,000,000 readings
Working Temperature: 0~50 ?
Storage Temperature: -20~60 ?
Charging Time: 3.5 hours
Working Time: 8 hours
Item Dimension: 170 x 110 x 48 mm
What's Included

Aerosol Mass Monitor x 1
Filter Tube x 1
USB Flash Drive x 1
RS-232 Serial Converter Cable x 1
Battery Charger / Adapter x 1
AC Power Cord x 2
Operation Manual x 1
Carrying Case x1