@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<https://gcmd.earthdata.nasa.gov/kms/concept/5c38595e-5e7d-4513-9f0e-aa9b5f6b139f>
  skos:definition """PH METERS are meters that measure the pH of any substance; water
is neutral at 7."""@en ;
  skos:prefLabel "PH METERS"@en ;
  skos:inScheme <https://gcmd.earthdata.nasa.gov/kms/concepts/concept_scheme/instruments> ;
  skos:broader <https://gcmd.earthdata.nasa.gov/kms/concept/3d25724b-832f-4a61-b0b2-4f2ccecdba94> ;
  a skos:Concept .

<https://gcmd.earthdata.nasa.gov/kms/concept/3d25724b-832f-4a61-b0b2-4f2ccecdba94>
  skos:prefLabel "Chemical Meters/Analyzers"@en ;
  a skos:Concept ;
  skos:narrower <https://gcmd.earthdata.nasa.gov/kms/concept/5c38595e-5e7d-4513-9f0e-aa9b5f6b139f> .