Le Nasal Ranger® Field Olfacto-meter allows for a garanteed measured effectiveness.

The Nasal Ranger ®, portable device, allows to simple and objectively find the D/T report of dilution of odors in the air.OGP Consulting engineers, along with the clients, use this measuring instrument to validate the effectiveness of odor treatments. Thusguaranteeing a minimum outcome of 80% nuisance perceived by the residents... see the rest of the article