nymea/libnymea/interfaces/orpsensor.json

{
    "description": "Interface for ORP (Oxidation Reduction Potential) sensors.",
    "extends": "sensor",
    "states": [
        {
            "name": "orp",
            "type": "double",
            "unit": "MilliVolt",
            "logged": true
        }
    ]
}