[
    {
        "nc_var_name": "instrument_ctd",
        "type": "i4",
        "attrs": {
            "serial_number": "9416",
            "make_model": "Sea-Bird GPCTD",
            "comment": "Pumped",
            "long_name": "Pumped Conductivity, Temperature, Depth (CTD) Sensor",
            "calibration_date": "2019-02-07",
            "user_calibrated": "",
            "factory_calibrated": "2019-02-07",
            "calibration_report": "",
            "type": "instrument",
            "platform": "platform"
        }
    },
    {
        "nc_var_name": "instrument_ph",
        "type": "i4",
        "attrs": {
            "serial_number": "10344",
            "make_model": "SBE Deep ISFET pH Sensor",
            "comment": "Firmware 5.3.0",
            "long_name": "Sea-Bird pH Meter",
            "calibration_date": "2019-03-21",
            "user_calibrated": "",
            "factory_calibrated": "2019-03-21",
            "calibration_report": "",
            "type": "instrument",
            "platform": "platform"
        }
    },
    {
        "nc_var_name": "instrument_flbbcd",
        "type": "i4",
        "attrs": {
            "serial_number": "4662",
            "make_model": "Sea-Bird FLBBCD Eco Puck",
            "comment": "Measures chlorophyll a, backscatter at 660nm and CDOM",
            "long_name": "FLBBCD Eco Puck",
            "calibration_date": "2017-02-23",
            "user_calibrated": "",
            "factory_calibrated": "2017-02-23",
            "calibration_report": "",
            "type": "instrument",
            "platform": "platform"
        }
    },
    {
        "nc_var_name": "instrument_optode",
        "type": "i4",
        "attrs": {
            "serial_number": "242",
            "make_model": "Aanderaa Optode 4831",
            "comment": "In-tank verification on 2019-07-10",
            "long_name": "Aanderaa Optode 4831",
            "calibration_date": "2013-09-11",
            "user_calibrated": "2019-02-22",
            "factory_calibrated": "2013-09-11",
            "calibration_report": "",
            "type": "instrument",
            "platform": "platform"
        }
    }
]