PARAMETER SPECIFICATION Operating Principle Measures ambient particulate concentrations using beta ray attenuation U.S. EPA Designations PM10: FEM (EQPM-0798-122), PM2.5: Class III FEM, (EQPM-0308-170) Approvals CE, NRC, TUV, California ARB, ISO 9001 PERFORMANCE Accuracy Exceeds US-EPA Class III PM2.5 FEM standards for additive and multiplicative bias Measurement Resolution 0.1 µg/m3 Display Resolution 1 µg/m3 Lower Detection Limit < 4.8 µg/m3 (less than 4.0 µg/m3 typical) (2 ) 1 hour Lower Detection Limit < 1.0 µg/m3 (2 ) 24 hour Standard Range 0 – 1.000 mg/m3 (0 - 1000 µg/m3) Optional Ranges 0 – 0.100, 0.200, 0.250, 0.500, 2.000, 5.000, 10.000 mg/m3 (special applications) Measurement Cycle Time 1 hour Flow Rate 16.7 liters/minute adjustable 0–20 LPM range actual or standardized flow Filter Tape Continuous glass fiber filter tape, 30mm x 21m roll > 60 days/roll Span Check Automatic 0.800 mg (typical) span foil, verified hourly Beta Source 14C (carbon -14), 60 µCi ±15 µCi (< 2.22 x 106 Beq), half-Life 5730 years Beta Detector Type Photomultiplier tube with organic plastic scintillator ENVIRONMENTAL Operating Temperature 0 to +50˚C Ambient Temperature -30˚ to +60˚C Ambient Humidity 0 – 90% RH, noncondensing Sample Humidity Control Active Smart Heater module, 10 – 99% RH setpoint Enclosure Weatherproof enclosure or shelter is required INTERFACE User Interface Menu-driven interface with 8 - l i n e 40-character LCD display and dynamic keypad Analog Output Isolated 0 –1 VDC output standard. 0 –10 V, 4– 20 mA, 0 –16 mA switch-selectable Serial Interface RS - 232 two-way serial port for PC or modem communications Printer Output Output-only serial port for data or diagnostic output to a PC or serial printer Telemetry Inputs Clock reset (voltage or contact closure), telemeter fault (contact closure) Alarm Contact Closures Data error, tape fault, flow error, power failure, maintenance Error Reporting User-configurable available through serial port, display, and relay outputs Memory 4369 records (182 days at 1 record/hr) ELECTRICAL Power Supply 100 –230 VAC, 50/60 Hz. Factory configured. Power Consumption Less that 0.4 kw, 3.4 A, worst case with pump and smart heater running. PHYSICAL Weight 54 lbs (24.5 kg) without external accessories. Unit Dimensions Height = 12.25” (31 cm) Width = 17” (43 cm) Depth = 16” (40 cm). | 
