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/26653/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 26653,
    "uuid": "f93fa7f9725b406b899db743e9fb402a",
    "title": "NCAS Scanning Radiometer- HATPRO",
    "abstract": "NCAS  Humidity And Temperature PROfiler (HATPRO) Scanning Microwave Radiometer unit 1, by Radiometer Physics GmbH. is used to derive vertical profiles of atmospheric temperature and humidity. The infrared radiometer extension allows to cloud base height and ice cloud detection.The radiometer offers high-resolution temperature profiling of the boundary layer and low-humidity applications. The radiometer provides accurate total amounts of atmospheric water vapor and cloud liquid content measurements.",
    "keywords": "NCAS, HATPRO",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/9687/?format=api"
    ],
    "instrumentType": "radiometer",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/112075/?format=api"
    ]
}