Kanomax 3886 handheld particle counter 5 channels

Range: 0.3 um-5.0um, 5 channels
Calibrated sizes: 0.3 um, 0.5 um, 1.0 um, 3.0 um, 5.0um
Flow Rate: 0.1 cfm (2.83 l/min)
Light Source: Laser Diode
Counting Efficiency: 50% at 0.3 um; 100% for particles > 0.45 um (ISO 21501-4)
Zero Count: Less than 1 count / 5 minutes (ISO 21501-4)
Coincidental Loss: Less than 5% at 2,000,000 particles/cf
Sampling Time: 1 sec - 99 min 59 sec (1 second increment)
Sampling Frequency: 1 - 99 or continuous
Count Modes: Single, Repeat, Continuous, Calculation, Remote and ISO mode
Display: LCD20 letters, 4 lines
Interface: RS232C or RS485
Baud Rate: 9600 bps
Buffer Memory: 500 sample records
Power Supply: 4 x AA Batteries, 3.5 hrs with1600mAh Batteries
AC Adapter: 5VDC at 2.5A, 100 - 240VAC, 50 to 60 Hz
Vacuum Source: Internal pump, flow controlled
Dimensions: W 4.5 x D 2.8 x H 8.5 inch (115 x 70 x 211 mm)
Weight: 2.2 lbs (980 g)
Accessories: AC Adapter, Zero Filter

Options:
                Optional parameters measured: Airflow, Temperature, Humidity
                Isokinetic Probe, Air Velocity Probe, Thermal Printer, Temperature/Relative Humidity Probe, Carrying Case