The multifunctional particle counter can measure mass concentration, formaldehyde, and TVOC. It is specifically designed for indoor measurements. The 320 x 240 pixel display shows the current measurement values directly. With its user-friendly operation and large display, this particle counter is ideal for use in offices, schools, and living spaces. Thanks to the data logger function, you can view the last parameters at any time. With the built-in lithium-ion battery, you can position the particle counter freely at your workplace.