Ball Efratom

Efratom , a division of Ball Corp., based in Irvine, CA, produced rubidium frequency standards and related instruments. Efratom was acquired by Datum, Inc. in 1994 [1].

Efratom made plugins for frequency measurement that were compatible with the TM500 system.

Links

• [1] Anaheim’s Datum Inc. to Acquire Efratom L.A. Times, 22 Oct 1994

Products by Ball Efratom

Model	Class	Series	Description	Introduced	Discontinued
Ball Efratom PTB-100	Plug-in	TM500 system	Rubidium frequency reference	(?)	(?)