.. _d:instrument:

Instrument (O)
----------------
The technical instrument(s) used to produce the data in the resource (occurrence: 0-n).

**Allowed values, examples, other constraints**

Instrument PID and/or name.

Example
~~~~~~~
.. code-block:: xml
   :linenos:

   <instruments>
      <instrument>Instrument name without identifier</instrument>
      <instrument instrumentIdentifier="10.1594/WDCC/CCSRNIES_SRES_B2" instrumentIdentifierType="DOI">Instrument name</instrument>
   </instruments>