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/1061/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 1061,
    "uuid": "a2f40afd5f054601a037d48a9aac17e9",
    "title": "Automatic Weather Station (AWS)",
    "abstract": "An automatic weather station (AWS) is an automated version of the traditional weather station, either to save human labour or to enable measurements from remote areas. The system may report in near real time via ARGOS and the Global telecommunications system, or save the data for later recovery.",
    "keywords": "",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/790/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/791/?format=api"
    ],
    "instrumentType": "met_sensor",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3389/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/3388/?format=api"
    ]
}