D.L.S. Conformity Assessment has expanded testing capabilities to include combined Temperature/Altitude/Humidity testing with levels up to 100,000 feet, – 68° C to + 177° C, with humidity, all at the same time. Testing is compliant to RTCA DO-160, Sec 4, MIL-STD 810, and other industry standards. D.L.S. offer a full environmental testing program that includes climatic and mechanical testing services.
More information can be found at http://www.dlsemc.com/environmental/env-do-160/temperature-altitude.htm