



Met One Instruments Powered by Acoem
Ambient Air Quality Monitoring
OPX 1025 Optical PM Mass Monitor
OPX 1025 particulate matter (PM) mass monitor is the world’s first PM mass monitor powered by the innovative RealPM algorithm, delivering real-time climate-adjusted particulate matter mass data in any environment. OPX 1025 provides reliable, real-time measurement of PM1, PM2.5, PM4, PM10, PM10-2.5, particle number concentration, and particle size histograms, all from a single instrument. OPX 1025 isn’t just smart – it’s designed for operational efficiency, with minimal maintenance and consumable requirements. The sensor LED is even backed by a 10-year manufacturer’s warranty (parts only; field serviceable). Welcome to automated, climate-adjusted PM Monitoring: OPX 1025, powered by RealPM.
Parameters Monitored
PM1
PM2.5
PM4
PM10
PM10-2.5