985
Users Manual
22
Specifications
General
Particle-Size Range ....................................... (0.3, 0.5, 1.0, 2.0, 5.0, 10.0) µm
Channels ....................................................... 6
Flow Rate ...................................................... 0.1 cfm (2.83 L/min)
Light Source .................................................. 775 nm to 795 nm, 90 mW class 3B laser
Calibration ..................................................... PSL particles in air (NIST traceable)
Counting Efficiency ........................................ 50 % @ 0.3 µm; 100 % for particles >0.45 µm (per ISO 21501)
Zero Count Level ........................................... 1 count / 5 minute (per JIS B9921)
Concentration Limits ...................................... 10 % at 4,000,000 per cubic ft (per ISO 21501)
Count Mode ................................................... raw counts, #/ft
3
, #/m
3
, #/l in cumulative or differential mode
Data Storage ................................................. 10,000 records (rotating buffer)
Delay Time .................................................... 0 hours to 24 hours
Sample Inlet ................................................... Isokinetic Probe
Security .......................................................... Adminstrator password controlled (optional)
Communication Modes .................................. USB or Ethernet
Display .......................................................... QVGA color with backlight
Alarms ........................................................... User defined for each particle size
Dimensions .................................................... (27.2 x 9.9 x 5.3) cm (10.7 x 3.9 x 2.1) inches
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