Send your Alcolizer HH4 breathalyser to us to get a calibration. You can send this up to us in a few simple steps:
- Download the calibration form
- Print off the form
- Fill in the form
- Sent it up with your breathalyser
The Alcolizer HH4 breathalyser is verified to the AS 3547:2019 standard, this requires six monthly calibration.
To calibrate breathalysers, Sober Check uses wet bath calibration. This contains a laboratory-certified ethanol solution at 34°C. Air is blown through the solution to mimic human breath, and used to calibrate the breathalyser.
Your breathalyser will get a quick clean, then the breathalyser is tested to ensure it performs correctly, a combination of straight air and ethanol solutions at different levels.
Calibration usually takes 24 – 48 hours from receiving the breathalyser. It is posted back to you, using the delivery address provided on the calibration form.
There is a section on the form for shipping insurance. With the overloaded courier system, it can be hard to guarantee when your breathalyser will get to you. The shipping insurance covers any issues with courier handling and the possibility of it going missing in transit!
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