Datum Inc.: The Anaheim manufacturer of precision...

Datum Inc.: The Anaheim manufacturer of precision frequency products and timing instrumentation said its third-quarter profit more than doubled to $265,000, or 10 cents a share, from $130,000, or 5 cents a share, last year. Quarterly sales rose to $8 million from $6.5 million. For the nine-month period, profit rose to $833,000, or 32 cents a share, from $183,000, or 7 cents a share, for the first three quarters of 1993. Sales increased 27% to $23.3 million from $18.4 million.