Clarke-Hess Communication Research

Clarke-Hess Communications Research Corp., founded in 1969 by Kenneth K. Clarke and Donald T. Hess, is an electronics test and measurement company specializing in dc/low frequency applications. The company’s customers include the world’s national standards laboratories, military agencies, and commercial and industrial firms. Dedicated to precision instrumentation, Clarke-Hess has earned a reputation for quality, service, and outstanding performance. The Clarke-Hess product line includes volt-ampere wattmeters, phase standards and calibrators, phase meters, voltage and current sources and/or calibrators, and transconductance amplifiers.

Clarke-Hess Communication Research contact information:

220 West 19 Street
New York
US
10011

TestMart contact information:

1000 Cherry Ave., Suite #100,
San Mateo, CA
94404
(888) 665-2765