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/6148/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 6148,
    "uuid": "baa734aa483d46de9307eecf7d7b1066",
    "title": "NERC MST site: WXT510 Vaisala weather transmitter",
    "abstract": "The Vaisala Weather Transmitter WXT510 is a single unit which measures a variety of surface meteorological parameters in three independent measurement cycles. Pressure, temperature and relative humidity (ptu) are measured in the first cycle, precipitation (precip) in the second, and wind speed and direction (wind) in the third. It is located on the MST Radar Site, Capel Dewi, UK.",
    "keywords": "meteorology, precipitation, pressure, temperature, surface winds",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/3987/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/9487/?format=api"
    ],
    "instrumentType": "met_sensor",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/26078/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/26079/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/106883/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/106884/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/106885/?format=api"
    ]
}