It is recommended that you have your device calibrated at least once per year and that only qualified technicians perform maintenance of any breath alcohol tester.

STEP 1. Complete the Service Request Form

STEP 2. Print a copy and sent it along with the unit to:

Alcohol Countermeasure Systems Corp.
60 International Boulevard
Toronto, Ontario  M9W 6J2 
CANADA

Attn: Service
service@acs-corp.com

For more information about calibration services please refer to the calibration FAQ section.