Haz-Dust EPAM-7500 Environmental Particulate Air Monitor

Sensor: IR optical light scattering
Concentration range: 0.001 to 400 mg/m^3
Particle size range: 0.1 to 100 μm (TSP), PM10, PM2.5, PM1.0
Precision: ± 0.003 mg/m^3
Sampling flow rate:  4.0 L/min (adjustable)
Accuracy: ± 10% to filter using SAE fine test dust
Calibration: Gravimetric reference NIST-traceable SAE fine test dust – ISO12103-1
Filter holder: 47 mm, FRM-style
Relative humidity sensor range: 0 to 100% RH
Temperature sensor range: -4 to 140 F (-20 to 60 C)
Display: graphical color touch screen
Alarm output: Internal, 90 dB at 3 ft
Recording time: 1 sec to 15 mo
Sampling rate: 1 sec, 1 min, and 30 min, or 1 hr
Data storage: 50,000 data points
Memory and time storage: > 5 years
Real-time clock and data display: hours, minutes, seconds and day, month, yearGraphical data display: Concentration in mg/m^3 and TWA, MAX, MIN, STEL, date, time, temperature, and  relative humidity
Digital output:  RS-232 serial 9-pin D sub and USB; removable SD card and Ethernet port
Software:  Windows driven for graphical and data translation, requires Windows XP, Vista, or 7
Power:  Rechargeable and interchangeable Li-Ion battery
Operating time: ≥ 24 hours (Li-Ion battery), continuous 
(AC or solar)
Charging time: Approximately 5 hrs
Operating temperature and humidity: 14 to 122 F (-10 to 50 C), 95% non-condensing
Storage temperature: -4 to 158 F (-20 to 70 C)
Case dimensions: 4.5 x 10 x 9 in (11.4 x 24.4 x 22.9 cm)
Weight: 3.2 kg