Unit and Power supply only

This TSI DustTrak Model 8520 is a portable and battery-operated laser photometer which is ideal for use in the field. It is a high-quality product from the trusted brand TSI, ensuring accuracy and reliability in its performance. The device is designed to measure dust, smoke and other particulate matter in the air, making it perfect for use in healthcare, lab and dental settings, as well as in surgical and orthopaedic environments.