OPC-N2 Alphasense Particle Monitor Air Sensor

Opc-n2 particle monitor
measurement
particle range spherical equivalent size (based on ri of 1.5) 0.38 to 17
size categorisation number of software bins 16
sampling interval histogram period (seconds) 1.4 to 10
total flow rate (typical) lmin 1.2
sample flow rate (typical) mlmin 220
max particle count rate particlessecond 10,000
max coincidence probability %concentration at 10 6 particlesl 0.84
%concentration at 500 particlesl 0.24
power
measurement mode ma (typical) 175
laser on, fan off ma (typical) 95
voltage range vdc 4.8 to 5.2
switch-on transient mw for 1ms
data
digital interfaceconnections micro usb (progamming), spi (data)
data storage micro-sd (.csv format) 16gb
key specifications
digital interface spi (mode 1), usb
laser classification as enclosed housing class 1
temperature range ℃ -10 to 50
humidity range % rh (continuous) 0 to 99 (non-condensing)
weight g < 105.