We offer high-quality portable opacity meter that provides a measurement range of 0 to 100%, resolution of ± 0.1% and reproducibility of ± 0.5 %. The equipment is a microcomputer control system that determines the opacity of sample with high precision. It is equipped with an LCD display, stable light source and USB interface for simple data processing. It is designed with a durable, long-lasting metal design and requires least maintenance.