February 2002

Patent for Insulated Dust Sensor

PCME's technological leadership in the field of particulate and dust emission monitoring has been rewarded with the grant of a new patent valid in the UK, Europe and the US. British Patent 6,192,74 covers the invention and use of a fully insulated (ie: coated) Electrodynamic or AC Triboelectric dust sensor.

The patent provides intellectual property protection for the insulation and coating option that permits PCME's sensors to operate reliably in humid and aggressive environment stacks. These conditions are commonly found after process and spray driers (eg Milk, Detergent and Ceramic production) and applications with highly conductive dusts (Carbon Black and Metals production). The technology overcomes many of the problems which afflict non-insulated sensors due to sensor bridging.