Teledyne Technologies Inc. has announced that it acquired Hanson Research Corp., a developer and manufacturer of instruments used in the pharmaceutical industry.

Terms of the deal between Teledyne, in Thousand Oaks, and Hanson Research, in Chatsworth, were not disclosed. Teledyne makes products used by aerospace, marine and energy companies.

Teledyne Chief Executive Robert Mehrabian said Hanson will become part of the subsidiary Teledyne Instruments Inc. and will complement the company’s portfolio of laboratory instrumentation businesses.

“Hanson Research will strengthen Teledyne’s relationships with global life sciences and pharmaceutical companies,” Mehrabian said in a prepared statement.

The acquisition was announced on Tuesday.

Shares on Wednesday closed down 92 cents, or less than 1 percent, to $128.13 on the New York Stock Exchange.