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/46005/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 46005,
    "uuid": "45d4dc5dd2c4413b81f1005c992da5ff",
    "title": "National Physical Laboratory Picarro G2401 B",
    "abstract": "A Picarro G2401 trace gas analyser, serial number: CFKADS2547, used at Invergowrie atmospheric moni\r\ntoring station. The analyser uses cavity ringdown spectrocopy (CRDS) to make in situ measurements of CO2, CH4 and CO in the near-infrared region - see Crosson et al. (2008) for details of this technique:     https://doi.org/10.1007/s00340-008-3135-y.",
    "keywords": "npl-g2401-b",
    "identifier_set": [
        "https://catalogue.ceda.ac.uk/api/v2/identifiers/13881/?format=api"
    ],
    "instrumentType": "",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://catalogue.ceda.ac.uk/api/v2/rpis/219935/?format=api"
    ]
}