Q.E.L. Website  Request Info   We design, manufacture and service a wide selection of instrumentation focused on gas detection, monitoring, and control of emissions, environmental pollutants, and industrial contaminants. With this equipment we assist our customers in the protection of life, property, and the environment. Our mission is to maintain and strengthen our position of leadership in this industry.

2320 W. Mission Ln, Suite 4-5 Phoenix, AZ 85021 / Tel: 623-580-4400 / Fax: 623-580-4424