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/24939/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 24939,
    "uuid": "6c0c95b6607e4e7dbad406a34a431fc6",
    "title": "University of Leeds: Metek USA-100 sonic anemometer",
    "abstract": "The University of Leeds Metek USA-100 sonic anemometer measures turbulent winds and sonic temperature at 20Hz. 20Hz raw data are available from which average fluxes (e.g. 20 minute average fluxes) can be calculated.",
    "keywords": "sonic anemometer, fluxes",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/9528/?format=api"
    ],
    "instrumentType": "met_sensor",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/102072/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/102073/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/102074/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/102075/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/102076/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/102077/?format=api"
    ]
}