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   "key": "pressure_range_min_kpa",
   "label": "Minimum pressure",
   "type": "number",
   "unit": "kPa",
   "values": null,
   "why_it_matters": "Shows the lowest pressure the gauge can measure, including whether it can measure vacuum."
  },
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   "key": "pressure_range_max_kpa",
   "label": "Maximum pressure",
   "type": "number",
   "unit": "kPa",
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   "why_it_matters": "Must cover the pressure expected in the system being measured."
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    "Other"
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   "why_it_matters": "A larger dial is generally easier to read, especially from a distance."
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