{
  "_id": "020121",
  "classname": "Observed phenomena",
  "classno": "20",
  "datawidthbits": "16",
  "name": "Threshold value for polarity decision",
  "note": "(see Note 12)",
  "refvalue": "0",
  "scale": "3",
  "status": "Operational",
  "unit": "V"
}