Features: The Dust Particle Counter delivers laboratory grade precisions with advanced sensors technology, measuring particles down to 0.3 microns for air quality monitoring in critical environments. Featuring a ABS housing and integrated rechargeable battery, this portable concentration meter operates up to 8 hours cordlessly while maintaining IP54 protections against dust and accidental impacts. Designed for laboratory technicians, cleanroom supervisors, and construction professional requiring accurate particulate analysis across industrial and healthcare settings. Ideal for real time air quality assessments in facilities, hospital ventilation systems, electronics manufacturing workshops, and post renovation indoor environments. Its interfaces simplifies operate with preset measurement modes and automatic data logging, making this particle counter essential for professional use. Specifications: Component: ABS Charging Port: Type C Battery: 2000mAh Channel: 6 Channel Temperature Unit Change: ℃/℉ Box Size: about. 186x246mm/7.32x9.68in Package Includes: 1pc Dust Particle Counter note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.