Introduction ? 
   ultra-thin handheld laser particle counter 
 HPC300 handheld laser particle counter performance and features of the main 
   the same time, the user set up any three-channel sampling of the print size 
   sampling mode:  cumulative / differential / concentration / average 
   up to 1000 group (time) measurement data memory 
   automatic timing of sampling and limit alarm 
   USB/RS-232  data download interface, and software upgrades 
   internal temperature and external humidity sensor to ensure testing accuracy 
   support Chinese / English interface display 
   HPC300 handheld laser particle counter is used to measure clean environment, the number of dust particles per unit volume and distribution equipment. HPC300 handheld laser particle counter and absorption of foreign advanced technology, high-sensitivity micro sensors developed on the basis of a set of aerodynamic, digital signal processing, optical electromechanical integration of high-tech products.   HPC300 handheld laser particle counter is the basic principle of laser scattering by dust particles on the optical sensor output pulse signals for digital signal processing, measurement parameter settings, the results show, key, timing, playing firefly  time, date, by the built-in computer data storage (MCU) to control and implement, and monitor the working status of the laser particle sensor 
 Road to provide the equipment his company's technical support and after-round!