SAMPLING SAMPLER: PORTABLE DIRECT READING INSTRUMENT (with filter, if required)
FLOW RATE: -0.1 Umin to -20 L/min (system dependent)
VOL MIN: Instrument dependent
MAX: None
PRESSURE Extracted gases between 96.6 kPa and 103 kPa (725 mmHg and 795 mmHg) absolute
TEMPERATURE: Extracted gases between 10 "Cand 30 oC
BLANKS Nitrogen gas, or zero air