10) Depress the SET button. Your calibration is complete.
  • SET button depressed
  • Observe final reading
  • Target value of the standard used for this demonstration was .080%, the instrument is calibrated



11)  It is essential to verify the calibration. Wait 3 minutes then run an Accuracy check using a new mouthpiece. (Follow the step by step procedures described in the Post Calibration Accuracy Check).

The Accuracy Check reading following a Calibration should be within + .003 of the target value of the Calibration Standard. If it is not, wait another three minutes and then repeat the Calibration Procedure followed by an Accuracy Check.


Post Accuracy Check - Alco-Sensor III Record Keeping
12) Record the result.
To demonstrate compliance with your program's QAP it is best to keep a record or a Calibration Log for each device used for testing. The log should contain the results of all accuracy checks and calibrations for each instrument. This log may become a crucial piece of evidence should your test results be challenged. The log may include information such as:
  • Date
  • Time
  • Procedure performed (Accuracy Check or Calibration)
  • Name of Technician performing procedure
  • Location
  • Identification of the Standard including Lot Number of the Standard
  • Expected Value of the Standard
  • Result of the Accuracy Check or Calibration
For more information about procedures for your Intoximeters instrument, please refer to your
  • Operator's Manual
  • or email Intoximeters Tech Support
  • or phone the Technical Support Department at (314) 429-4000
Accuracy Check Procedure
Back          Calibration Overview