Met One Instruments BC 1050 and BC 1054 CONTACT SALES@METONE.COM The Met One Instruments, Inc. BC 1050 Series, Black Carbon Monitors, measures the absorption of particulate matter onto filter tape continuously. The BC 1050 monitor operates at 2-wavelengths and the BC 1054 operates at 10-wavelengths. The BC 1050 offers the user the ability to monitor absorption at near-IR (880 nm) and near-UV (375 nm) wavelengths simultaneously with a standard minimum time resolution of 1-minute. The BC 1054, multi-spectrum carbon monitor, measures the absorption at 375, 430, 470, 525, 565, 590, 660, 700, 880 and 950 nm with a standard time resolution of 1-minute. Optional 1-second time resolution is available for both the BC 1050 and the BC 1054. Both monitors offer the following advanced features: • Active flow control between 2 and 5 LPM. Concentrations may be reported under either actual or standard flow conditions. Optional 16.7 ...