Met OneBT-645 Portable Dust Monitor
The BT‐645 Portable Dust Monitor has beendesigned to continuously measure and record
particulate information for indoor work placeand public place environments.
A laser optical sensor is used to detect and measure particulate concentrations up to 100 milligrams per cubicmeter. The continuous flow optical sensor is combined with purge air to ensure accurate measurements inadverse environments.
The optical sensor, matched electronics and backlit display, are enclosed in a rugged metal enclosure to protectthe instrument from normal daily use.
The internal datalogger will store over 5,000 samples. Sample history events can be viewed on the display ordownloaded to a computer using Comet software.
The internal battery pack provides over 10 hours of continuous opera
OPERATING PRINCIPLE : Forward light scatter laser nephelometer