{
  "id": "UN193",
  "name": "inch of water (39.2 deg_F)",
  "ml_name": "ip_in_{H2O_(39.2_deg_F)}",
  "symbol": "in",
  "reference": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#I"
}