Founded in 1983, Sensidyne was established as a manufacturer and distributor of gas detection and air sampling instrumentation and a major supplier of gas detection tubes. In 1995, the Gilian Instrument Company was acquired to expand the existing line of personal air sampling pumps. The trademark of Gilian continues to flourish under the Sensidyne banner and continues to be the most recognized brand globally for high performance vapor and particulate monitoring equipment. The Company has also established itself as a technology leader in Fixed Gas Detection with its SensAlert and SensAlert Plus line of point gas detectors. In April 2008 Sensidyne, LP became part of the Schauenburg Electronic Technologies Group of Schauenburg International GmbH.