US-EPA Certified Class III PM for PM 10, PM 2.5, TSP

 Flow Rate 16.67 l/min

The Spirant BAM automatically measures and records airborne particulate concentrations using the beta ray attenuation method. It is designated by the U.S. EPA as Federal Equivalent Method for PM10 and PM2.5 monitoring.

SPECIFICATIONS

Performance
Accuracy: Exceeds US-EPA Class III PM
2.5 FEM standards for additive and multiplicative bias.
Measurement resolution: 0.1 µg/m3
Display resolution: 1 µg/m3
Lower detection limit (1 hr): < 4.8 µg/m3 (less than 4.0 µg/m3 typical).
Lower detection limit (24 hr): < 1.0 µg/m3
Standard range: 0 – 1.000 mg/m3 (0 - 1000 µg/m3).
Optional ranges: Available on request.
Measurement cycle time: One hour or one minute with RTPM option.
Flow rate: 16.7 litres/minute adjustable 0–20 LPM range actual or standardised flow.
Filter tape: Continuous glass fiber filter tape.
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 humidity: 0 – 95% RH, non-condensing.
Sample humidity control: Active Smart Heater module, 10 – 99% RH set point.
Interface
User interface: Menu-driven interface with 8 line 40 character LCD display and 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.
Telemetry inputs: Clock reset (voltage or 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. Less that 0.4 kw, 3.4 A.
Physical
Weight & dimensions: 24.5 kg without external accessories/310 x 430x 400 mm HxWxD.
Options
RTPM: Real-time particulate monitor provides one minute measurements.
Aurora Interface: Enables interfacing of Spirant with Aurora 2000 Nephelometer for one
minute. measurements (requires Aurora 2000 Integrating Nephelometer).
Sample Inlets: PM 10, PM2.5 & TSP available.

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