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/33232/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 33232,
    "uuid": "bc64538f3fa7421f8d83b6875dde76e1",
    "title": "Public Weather Station (PWS)",
    "abstract": "Public Weather Stations (PWS) are meteorological stations that members of the public set up and provide data to various crowd sourced Public Weather Stations (PWS) networks.\r\n\r\nDetails of the individual instruments may be unknown, and thus the characteristics of the sensors can not be stated.\r\n\r\nThey may include one or more sensors covering parameter such as:\r\n\r\n - pressure\r\n - temperature\r\n - humidity\r\n - rainfall rates/accumulations\r\n - wind speed and direction",
    "keywords": "",
    "identifier_set": [],
    "instrumentType": "met_sensor",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/148376/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/148377/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/148378/?format=api"
    ]
}