9850M/9851M are Particle Counter with 2.8” color TFT LCD display & a microSD memory card, providing fast, easy and accurate readings for particle counter, HCHO detector, air temperature & relative humidity
environment protection and energy save. The dewpoint temperature measurement will be very visible for wet
and dry proof. It is a good hand tool for industrial measurements and data analyzing, the real scene and time
can be displayed on color TFT LCD. Any memory readings can be recorded in SD card. The user can be back
