Particulate Monitor

Specifications Concentration measurementranges(auto-ranging) 0.001 to 400 ?/? Scattering coefficient range 1.5 x 10-6 to 0.6 m-1 @ ? = 880 nm Precision/repeatability (2-sigma) ±3% of reading or ±0.003 ?/?, whichever is greater(1-second averaging) ±1% of reading or ±0.001 ?/?, whichever is greater(10-second averaging) Long-term zero concentrationstability (at least 180 days) ±0.003 ?/? (1-second averaging) ±0.001 ?/? (10-second averaging) Accuracy ±5% of reading Resolution 1% of reading or 0.001 ?/?, whichever is greater Flow rate range 1 to 10 l/min Concentration display updating interval 1 second Alarm level adjustment range Selectable over entire measurement range Alarm averaging time Real time (1 to 60 seconds) or STEL (15 minutes) Data logging averaging periods 1 second to 4 hours Total number of data points in memory Logged data 1,3000 (stored in 1 to 99 data sets or tags) Elapsed time readout range 0 to 100 hours (resets to 0 after 100 hours) Time keeping and data retention 10 years Readout display LCD 16 characters (4 mm height) x 2 lines Serial interface RS232, 4800 baud Computer requirements IBM compatible PC, 286 or higher; WindowsTM 3.1, 3.11 or '95; 2 MB memory or more; hard dirve; 3.5" floppy drive;VGA or higher resolution monitor Power Internal battery:9v alkaline, 24 hour run time (typical) AC source: universal voltage adapter (included) 100-250 volts Optional battery pack: rechargeable NiMH 72 hour run time Operating environment 10°C to 50°C (14? to 122?), 10 to 95% RH, non-condensing Storage environment -20°C to 70°C (-4? to 158?) Dimensions 160mm H x 205mm W x 60mm D (6.3 x 8.1 x 2.4 in) Weight 0.68 kg (24 oz)