---
title: "How often must Rhode Island breathalyzers be calibrated?"
description: "The Department of Health prescribes the calibration interval. Routine calibration verification typically occurs every 30 days, with full re-certification on a longer cycle. The exact schedule is set..."
url: https://riduilaws.com/faq-items/how-often-must-rhode-island-breathalyzers-be-calibrated/
date: 2026-10-29
modified: 2026-10-29
author: "RI DUI Laws"
type: faq
lang: en
---

# How often must Rhode Island breathalyzers be calibrated?

The Department of Health prescribes the calibration interval. Routine calibration verification typically occurs every 30 days, with full re-certification on a longer cycle. The exact schedule is set by Department of Health regulations.

How often must Rhode Island breathalyzers be calibrated?[RI DUI Laws](https://riduilaws.com/author/admin_xxgjem88/)2026-10-29T22:15:22+00:00