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

Datum Inc.: The Anaheim manufacturer of frequency products and timing instrumentation posted net income of $213,000 for the second quarter, contrasted with a year-earlier loss of $234,000. Per share net income rose to 9 cents from a loss of 9 cents. Sales showed a 9% gain, to $8.4 million from $7.7 million. For the first six months of 1991, the company posted net income of $494,000, which included a one-time gain of $158,000 from an accounting change. A loss of $164,000 was recorded for the first half of 1990. Per share net income rose to 20 cents from a loss of 6 cents per share. Sales were up 5%, to $16.2 million from $15.5 million.