Teledyne made its third acquisition in five days when it acquired Elgin, Ill.-based Quantum Data April 13.

The Thousand Oaks industrial conglomerate said subsidiary Teledyne LeCroy acquired Quantum Data to build on wireless technology gained from an April 7 acquisition of Charlottesville, Va.-based Frontline Test Equipment. Teledyne is involved in digital imaging, instrumentation, engineered systems and aerospace and defense sectors.

Quantum Data makes electronic test & measurement instrumentation. Terms of the deal were not disclosed but it is expected to close this month. Engineers use protocol analyzers to troubleshoot data communication systems. Quantum Data makes protocol analyzers and other testing tools for video technologies.

On April 7, Teledyne Lecroy also acquired Frontline Test Equipment, which makes protocol analyzers for technologies including Bluetooth.

Teledyne also acquired Canada-based CARIS on April 8. CARIS develops geospatial software for hydrogeographic and marine uses.

• Contact Philip Joens at pjoens@pacbiztimes.com.