Dust Particle Tester, Temperature Meter, Easy Setting, Air Quality Detector, Durable, Wide Application, LCD Display, Office Alarm Function : Amazon.co.uk: Business, Industry & Science
Dust detector - Dusty C - ENVEA - electro-dynamic / for the food industry / compact
OC-300 Laser dust particle detector – Oceanus gas detection system include of the Fixed gas detector, Portable gas detector, Air quality monitor system