Temtop PMD 371 Aerosol Monitor Handheld Particle Counter Dust Monitor, Seven Outputs of Particle Numbers, Concentrations of Five Particles Types

Multi-channel Output: Capable of simultaneously detecting particles of seven different sizes (0.3µm, 0.5µm, 0.7µm, 1.0µm, 2.5µm, 5.0µm, 10.0µm) and measuring the concentration of five different particulate matter (PM1, PM2.5, PM4, PM10, and TSP). Ease of Use: Equipped with a large display screen and seven buttons, making operation simple and suitable for quick detection in various scenarios. Long-lasting Battery: Built-in high-performance lithium battery supports continuous operation for 8 hours. Large Storage Capacity: Integrated 8GB of large storage capacity, allowing convenient data storage. Data Transmission: Supports USB and RS-485 communication modes, facilitating easy data export and analysis. System Settings: Users can customize system settings such as time, sampling units, sampling mode, sampling time, hold time, language, backlight brightness, and auto-shutdown. Calibration Function: Supports zero-point calibration, flow calibration, and K-factor calibration to ensure measu