Description
Specifications:
| Measurement Principle | Particulate Mass Concentration by Beta Attenuation |
| Measurement Sample Time | 1 Hour W/ Selectable 1, 5, 10, 15, 30 or 60 minute averages real-time output |
| Flow Rate | 16.7 L/min inlet flow rate; actual volumetric flow |
| Filter Tape | Continuous glass fiber filter; 30 mm x 21 m roll; > 60 days/roll |
| Span Check | Manual, 800 µg (typical, span foil included.) |
| Beta Source | 14C (carbon-14); 60 µCi ±15 µCi (2.22 MBq) |
| Beta Detector Type Operating | Photomultiplier tube with organic plastic scintillator |
| Temperature Range Operating | -25° to +50°C |
| Humidity Range Inlet | 0 – 90% RH, noncondensing |
| Humidity Control | Actively controlled inlet heater module |
| User Interface | 4.3” graphical touch screen |
| Ambient Sensor | Model 597A combination AT, RH, and BP serial sensor AT: -50° to +70°C; RH: 0 to 98%; BP: 375
to 825 mmHg |
| 7500 Digital Serial Interface | 2 channels, half duplex RS-485 |
| Serial Interface | 1 channel; full duplex RS-232, USB (Shared common serial output 1 channel; half
duplex RS-485 Baud rates 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 |
| Internal Data Storage External | 15 Days 1-minute average, 2.6 years 60-minute average |
| Data Storage Compatible | 1 USB Flash drive device |
| Software | Air Plus 5, COMET™, HyperTerminal® |
| Power Supply | AC Version: 100 – 230 VAC; 1.4 Amp AC, 50/60 Hz; 102 W, 12 VDC @ 8.5 Amp |
| Weight | 31 lbs. (14.1 kg |
| Dimensions (Without Tripod) | Height: 18 in (46 cm) Width: 16 in (41 cm)Depth: 9 in (23 cm) |




