Equipped with a 2.8-inch color LCD display and SD memory card, it provides fast, easy and accurate readings for particle counters, formaldehyde detectors, air temperature and relative humidity measurements. The dew point temperature measurement will be very clear, dry and wet. It is a good helper for industrial measurement and data analysis, the real scene and time can be displayed on the color LCD. Any memory readings can be recorded in the SD card and the user can go back to the office to analyze the measured air quality with the support of the software. 2.8"TFT 320 x 240 pixel color LCD display, can measure and display 3-channel particle size at the same time, measure particle size and mass concentration as small as 0.3m Selectable sampling time, count data, programmable delay, store 5000 records of data, time, count, relative humidity. Temperature, sample size, alarm and location labels., Manufacturer: XZXXZSZ