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/39741/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 39741,
    "uuid": "8775c916bc4b4af7accb5f121a2fbb5d",
    "title": "University of Birmingham Avian-Meteorology-Instrument Packages (AvMIPs)",
    "abstract": "Meteorology sensor packages used to sample the meteorology over the urban environment by attachment to avian platforms.\r\n\r\nNote the instrument identifiers used are 1,2,3 and 6. 4 and 5 are not used as identifiers within the data as those instrument packets were either lost of found to be unreliable.",
    "keywords": "avian, meteorology, airborne",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/12400/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/12401/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/12402/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/12403/?format=api"
    ],
    "instrumentType": "met_sensor",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/193530/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/193531/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/193534/?format=api"
    ]
}