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/20030/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 20030,
    "uuid": "ec3abb80eaa94a69b3ac90fa36cf585b",
    "title": "Meteorological instruments for the Environmental Baseline Project",
    "abstract": "Accurate and reliable measurement of Wind Speed and Direction plus Temperature, Humidity, Atmospheric Pressure operated by York University for the Environmental Baseline project at Kirby Misperton.\r\n\r\nThe Lufft600 commercial met sensor operates at 1Hz and provides Wind speed, Wind direction, Temperature, Humidity and Atmospheric Pressure at 1 minute averages.\r\n\r\nIt is calibrated at Wolfson Atmopsheric Chemistry Laboratory, Dept of Chemistry, University of York.",
    "keywords": "Wind speed, wind direction, temperature, pressure, humidity",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/8997/?format=api"
    ],
    "instrumentType": "met_sensor",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/76166/?format=api"
    ]
}