Test rig and Test bed

Test bed and test rig are semantically related in test bench topic. In some cases you can use "Test bed" instead a noun phrase "Test rig".

Test bed noun - A place equipped with instruments for testing (e.g. engines or machinery or computer programs etc.) under working conditions.

Test rig and test bed are semantically related in test bench topic. You can use "Test rig" instead a noun phrase "Test bed".