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Field glossary

Micron

A unit of vacuum, microns of mercury absolute, used during evacuation; about 500 microns is a common target before charging

Used across 7 Anvilfield field guides, most in HVAC.

Also defined as

  • Plumbing: Particle size a sediment filter catches; nominal catches most, absolute catches nearly all
  • A unit of absolute pressure, one-thousandth of a millimeter of mercury; the lower the reading, the deeper the vacuum

Where this shows up

PlumbingWater treatment field guideHVACRefrigerant evacuation field guideHVACHVAC test instruments field guideHVACVRF commissioning field guideHVACSplit-system install field guideHVACRefrigerant leak detection field guideHVACDuctless mini-split install field guide

Related terms

A2LDecay testEvacuationMicron gaugeCalibrationCAT ratingcfmEquivalent length

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