We recommend recalibration every 1-3 months for professional use models and 3- 12 months for personal use, depending upon usage levels. eg. If you use your AlcoLimit 2-3 times per week then recalibration is recommended every 6 months. If you use it less frequently, say every 1-2 weeks, then recalibration is required every 12 months.

If you are a heavier drinker and blow high levels of alcohol vapour into the sensor or share your AlcoLimit with your mates every weekend, then you will need recalibration sooner than 6 months.

If you have any doubt as to the reading you are receiving from your AlcoLimit then please send your unit to us to be recalibrated. Breathalysers are sensitive equipment and need regular maintenance to keep accuracy.

Recalibration is required because alcohol residue builds up on the sensor and this must be cleaned because it affects the accuracy of the device over time. The sensor needs to be cleaned professionally. Do not try and clean it yourself as you will damage the sensor and the device will not work properly. A special fluid needs to be flushed through the sensor and the electronics need to be reset during recalibration.

How Do I know When My AlcoLimit Needs Recalibration?

Your device will take much longer to warm up - over 2 minutes, consecutive readings will be inconsistent eg. 3 in a row varying greatly (this occurs because there is a build up of alcohol residue on the sensor).

All AlcoLimit models will display the word 'CAL' on the display when recalibration is required. Please note: this will also appear when the sensor is faulty. If your AlcoLimit displays SEN,  or any other errors please send it back to us for servicing.

Unlike other breathalysers, Alcolimit will not shut down after a certain number of uses. You will still be able to use your AlcoLimit but please be aware that if you fail to get it recalibrated in the time periods stated you will not be getting the most accurate readings and may void your warranty.

Recalibration Costs and Procedure

Recalibration includes the return postage cost to you, via Australia Post Overnight Express plus replacement parts. When posting your Alcolimit to us you are advised to send it Registered Mail for tracking purposes.

Payment can be made via cheque or money order made out to :

'AlcoLimit Breathalysers Pty. Ltd.'

To pay by credit card call us on 1300 667 661.

Those with recalibration vouchers must include voucher AND purchase receipt (copy OK).

Post your unit to :

AlcoLimit Breathalysers Pty. Ltd.

P.O. Box 1106

Manly, N.S.W. 1655

Please include your Name, Return Postal Address, Daytime Phone No., and Payment.

Your unit will usually be returned to you within a week.

If you have any questions regarding recalibration, please call us on 1300 667 661.

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