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M400 Micro-Environmental Monitor
M400 MICRO-ENVIRONMENTAL MONITOR (MEM™) is a 10 L/min sampler with an omnidirectional inlet, a single 2.5 µm or 10 µm impactor stage followed by a final filter to collect PM2.5 or PM10 particles for gravimetric and/or chemical analyses. It has a quiet sampling pump, a multi-day timer permitting up to 14 programmable starts and stops. It is intended for micro-environmental monitoring of PM2.5 or PM10 particles.