Description
Specifications:
| Measurement Principle: | Beta Attenuation |
| US EPA Designations: | PM2.5 EPA Class III Federal Equivalent Method (EQPM-1013-209) |
| Accuracy: | Meets US-EPA Requirements for Class III PM2.5 FEM |
| Sampling Time: | Continuous Air Sampling with Hourly Tape Advance |
| Measurement Cycles: | Primary: Automatic Hourly PM Measurement (Required for PM2.5 FEM Operation)
Secondary: User Selectable Short Term Averages (1, 5, 10, 15, or 30 minute) |
| Sample Flow Rate: | 16.7 liters/minute |
| Filter Tape: | Continuous glass fiber filter, 30mm x 21m roll. Up to 2 months operation per roll. |
| Maintenance Interval: | 8 Weeks (minimum) |
| Span Check: | Manual Audits Performed with Zero and Span Foils (Included) |
| Beta Source: | 14C (carbon-14), 60 µCi ±15 µCi (2.22 MBq) |
| Detector Type | Scintillation Photomultiplier Tube |
| Operating Temperature Range: | -30° to +50° C |
| Operating Humidity Range | 0 to 90% RH, non-condensing |
| Enclosure | Instrument is integrated into its own weatherproof enclosure and sits on a separable, pump box |
| Analog Output: | Two channels; optically isolated; switch settable voltage or current 0-1, 0-2.5, 0-5 VDC / 0-20, 2-20,
4-20 mA (Hourly Concentration and/or or User Selectable Short Term Average) |
| Serial Interfaces: | 1 channel; full duplex RS-232, USB, and Ethernet serial (Shared common serial output). Baud rates
1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 |
| Compatible Software: | COMET™ (included), Air Plus™, terminal programs such as HyperTerminal® |
| Data Logger Memory: | 11,827 records (1.4 years @ 1 record/hr. 8 days @ 1 record/min). |
| Alarm Contact Closure: | 1 Channel; dry no contact; 1A at 125 VAC or 60 VDC Minimum |
| Power Supply: | 100 – 230 VAC; 50/60 Hz universal AC power |
| Power Consumption: | 300W (Incl. BAM-1022, Inlet Heater, BX-126 or BX-127 Pump, and Vent Fan) |
| Approvals: | NRC, ISO-9001, ROHS, US-EPA |
