MetOne227AB particle counter
Performance Specifications
Size Channels 227A ch1 0.5 μm
ch2 user selectable—0.7, 1.0, 3.0, or 5.0 μm
227B ch1 0.3 μm
ch2 user selectable—0.5, 1.0, 3.0, or 5.0 μm
Flow Rate 2.83 LPM (0.1 CFM)
Light Source Laser diode with 30,000 hours Mean Time to Failure (MTTF)
Coincidence Loss Less than 5% at 70,600 particles/L (2,000,000 particles/ft3)
Factory Calibration Mono-dispersed polystyrene spheres (NIST traceable)
Display 4-line LCD, 7 digits
Outputs RS-232C/RS-485 for computer or printer
Location Labels 100, appear on printout
Data Storage 200 samples, rotating buffer
Sample and Hold Times 1 second to 24 hours
Count Alarms 1 to 9,999,999 each channel
Concentration Mode 1 second samples, 1 to 10 samples averaged, display updated
every second; displays counts/L or counts/ft3
Power AC adapter or internal battery pack
Battery Rechargeable NiMH
Battery Recharge Time 90% in 10 hours; 100% in 12 hours
Operating Time 8 hours continuous
Size 10.3 w x 17.5 h x 5.9 d cm (4 x 6.9 x 2.3 inches)
Weight 0.97 kg (2.1 lbs)
Environment Operating 12 to 29°C (55 to 84°F),
20 to 95% relative humidity, non-condensing
Storage -40 to 70°C (-40 to 160°F),
up to 98% relative humidity, non-condensing
Accessories Included Isokinetic Probe (direct mount); Purge Filter; Recharger Stand;
AC Adapter; Operator Manual
When ordering, specify Minimum Sensitivity 0.5 μm (227A) or 0.3 μm (227B)
Power (AC) AC adapters for 100 VAC, 115 VAC, or 230 VAC
Optional Accessories Relative Humidity/Temperature Sensor
High Pressure Diffuser
Printer, external
Carrying/Shipping Case
PortAll Version 2 Software