Following are the feature regarding TSI 8520 DustTrak
a) Tech Rentals TSI 8520 is a moveable aerosol monitor.
b) Tech Rentals TSI 8520 have Laser photometer which facilitate with 90 deg scattering detection,
c) Range: - 0.001 to 100 mg/m3 [Calibrated for A1 test dust, ISO 121203-1],
d) Resolution: - 1% of reading or 0.001 mg/m3;
e) Particle size range: - 0.1 to 10 m.
f) Internal pump flow rate 1.4 to 2.4 l/min (1.7 nominal).
g) Data logging 30,000 data points (21 days @ 1min),
h) Log interval: - 1 sec to 1hr.
i) RS232C interface and software included, operated by Battery . . . more info