Customer Service and Support
We are proud to provide superior customer service and support to our customers. If you do not find what you need on these pages, please drop us a chat message and we will get back as soon as possible.


Have any questions?
As a leader in the breath alcohol testing for decades, we curated a vast catalog of answers to common questions. If you have any questions about breath alcohol testing be sure to visit our FAQ section, which includes our very popular Ask Dottie series, which covers countless questions and answers regarding DOT regulations and testing.
Contact our service departments:
Technical Support and Customer Service
by Telephone (8am – 5pm Central Standard Time)
United States and Canada: 1-800-451-8639
All Other Countries: 1-314-429-4000
by Email: Technical Services or Customer Service
When contacting Intoximeters for technical assistance, please have your instrument available so that we can try to reproduce the issue that you have encountered while we are on the phone with you. If this is not possible, at a minimum, have:
- The instrument name
- The instrument serial number
- The instrument software version (if you know it)
- And a detailed description of the problem
- Please include the above information when emailing us also