---
title: MTRCarbonMonoxideConcentrationMeasurementMeasurementUnit.PPT
framework: matter
role: symbol
role_heading: Case
path: matter/mtrcarbonmonoxideconcentrationmeasurementmeasurementunit/ppt
---

# MTRCarbonMonoxideConcentrationMeasurementMeasurementUnit.PPT

## Declaration

```swift
case PPT
```