
Upcoming Changes to AS 3547:1997 Handheld Breathalysers
From 30 June 2027, Alcolizer Technology will cease repairs and calibration services for handheld breathalysers operating under the AS 3547:1997 standard, including HH3, HH4 and LE5 instruments. Learn what this means for your workplace, key transition dates, upgrade benefits, and how to prepare well in advance.











