SIR

{
  "id": "MLC-T-IND-005305",
  "term": "SIR",
  "field": "Industrial and trades",
  "definition": "A quantitative measure of electrical resistance, known as Surface Insulation Resistance, used to assess the cleanliness and reliability of printed circuit boards (PCBs). The test involves applying a DC voltage across a specific pattern of conductors on the board's surface and measuring the resulting leakage current. A high SIR value, measured in ohms, indicates a low presence of ionic contaminants that could cause corrosion or short circuits.",
  "subject": "Manufacturing",
  "translations": {
    "de": "SIR",
    "es": "SIR",
    "fr": "SIR"
  },
  "url": "https://mlchart.com/terminology/industrial/sir/"
}