Temtop PMD 351 Professional Handheld Aerosol Dust Monitor, 5-Channel Particle Counter for PM1.0, PM2.5, PM4.0, PM10 & TSP, All-Metal Industrial Design with 2 Million Data Points & USB Export for Cleanrooms & Labs

Temtop M2000 2nd CO2 Air Quality Monitor, Air Quality Detector for PM2.5 PM10 Particles CO2 HCHO

Temtop LKC-1000S+ 2nd Air Quality Monitor, Data Export PM2.5 PM10 HCHO AQI Particles VOCs Humidity and Temperature

Temtop M2000C 2nd CO2 Air Quality Monitor for CO2 PM2.5 PM10 Particles Detector Temperature Humidity Display Audio Alarm Recording Curve, Data Export

Temtop Airing 2000 3-channel Handheld Particle Counter Dust Monitor with Pumped PM Sensor, Three Outputs of Particle Numbers 0.3μm, 0.5μm, 1.0μm, Concentrations of Three Particles Types PM2.5, PM10, TSP, Temp & Humidity Detector

Temtop PMD371 Professional Particle Counter, Handheld Aerosol Dust Monitor with 7 Channels (0.3-10μm), PM2.5/PM10/TSP, Ideal for Cleanrooms, Construction Sites & Industrial Air Quality Monitoring