Get a list of Instrument objects. Instruments have a 1:1 mapping with Observations.

### Available end points:

- `/instruments/` - Will list all Instruments in the database
- `/instruments.json` - Will return all Instruments in json format
- `/instruments/<object_id>/` - Returns Instruments object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `title`
- `uuid`
- `keywords`
- `instrumentType`

### How to use filters:

- `/instruments/?title__startwith!=Instrument.title: DETAILS NEEDED`
- `/instruments/?uuid=c7fa005e2095425392b18adbd7b40617`
- `/instruments.json?instrumentType=radiometer`

GET /api/v2/instruments/3853/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 3853,
    "uuid": "f3851057004640dab8a29160df166217",
    "title": "Geostationary Earth Radiation Budget Experiment 1 (GERB-1)",
    "abstract": "GERB-1 onboard Meteosat Second Generation 2, was launched on 21st December 2005 and sent its first image on 1st February 2006. The GERB instrument (Geostationary Earth Radiation Budget), can make a unique contribution to the understanding of the Earth's climate balance, since such measurements have never been carried before from geostationary orbit.",
    "keywords": "",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/2590/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/2591/?format=api"
    ],
    "instrumentType": "instrument",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/19044/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/19045/?format=api"
    ]
}