Ball Efratom
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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 | (?) | (?) |