Temtop PMS 22 Particle Counter w/ Flow Rate 2.83 L/min Detecting 0.3μm, 0.5μm, 1μm, 2.5μm, 5μm

The PMS 22 particle counter uses laser scattering to measure PM0.3 to PM5 particles in the atmosphere. It features six channels and operates continuously for up to 10,000 hours.

• The description claims higher accuracy and correlation using the benchmark β ray method.
• The description claims higher sampling efficiency with a four-wire brushless vacuum pump.