Hathaway-Betaand Beta Calibrators div. Hathaway Process Instrumentation Corp.

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Today known as Martel Electronics
http://www.martelcalibrators.com

Other names previously known by

Beta Products

Promac Inc.

Hathaway Beta

Martel Electronics Corp. purchased the assets and assumed the
liabilities of the calibrator manufacturing division of Hathaway
Process Instrumentation Corp. in March, 2003. The operation became a
wholly owned subsidiary of Martel operating as Beta Calibrators
Corporation in Farmers Branch (Dallas), Texas. In January, 2006, the
Texas operation was closed and folded into the headquarters
manufacturing and design operation of Martel Electronics in
Londonderry, NH.

Martel Electronics is a primary manufacturer of instrument calibrators for the process industries.