73
Specifications: Environmental Enclosure
Specifications are subject to change without notice.
Sampling Conditions:
Operating Temperature: . 0 °C to 50 °C (32 °F to 120 °F)
Wind Speed: .................... 0 m/s to 10 m/s (0 mph to 22.5 mph)
Aerosol Concentration
Range: ............................. 0.001–100 mg/m
3
(calibrated to respirable
fraction of standard ISO 12103-1, A1 test
dust)
Storage Temperature: ...... -20 °C to 60 °C (-4 °F to 140
Zero stability: .................... ±0.001 mg/m
3
over 24 hours using
10-second time-constant
Particle size range: .......... 0.1–approximate 10 µm (Upper limit is
dependent on flow rate)
Flow rate: ........................ 1.7 L/min.
Temperature coefficient: .. +0.001 mg/m
3
per °C (for variations from
temperature at which D
USTTRAK monitor
was zeroed)
Physical:
External dimensions: ........ 406 mm x 330 mm x 191 mm
(16 in. x 13 in. x 7.5 in.)
Weight (with battery and
D
USTTRAK monitor): ......... 7.2 kg (15.8 lb.)
USER MAINTENANCE:
Maintenance Check/
Data Collection: ................ Daily
Clean inlet: ....................... Weekly or daily if concentrations of over
30 mg/cm
3
are measured.
Re-grease O-rings: .......... As needed
Power Requirements:
External Battery Pack: ..... 6 VDC, 10 Ah
Battery run-time: .............. 24–60 hours (typical)
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