Teledyne Technologies Inc. (NYSE: TDY) has acquired C.D. Ltd.

Aberdeen, Scotland-based C.D. supplies subsea inertial navigation systems and motion sensors that can be used by remotely-operated vehicles and for infrastructure and engineering. Terms of the deal were not disclosed.

The company will operate as Teledyne CDL Ltd.

Teledyne, headquartered in Thousand Oaks, Calif., provides instrumentation, digital imaging products and software, aerospace and defense electronics and engineered systems. In August, the company agreed to buy Cetac Technologies, a company that manufactures testing equipment. In July, the company agreed to buy the part of Nova Research Inc. that it did not already own.