ALERT J4X is a reliable handheld breath alcohol tester, perfect for industrial safety and law enforcement officials who require accurate results in the field. Stop impaired driving at the source with this professional partner.
Reliable results on the go
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The intuitive, easy to understand interface and on-screen icons guide you through the breath testing process. Novices and professionals alike appreciate this tester’s capabilities and usability in the field.
The mouthpiece port glows three different colours to indicate the range of measurement alongside a three-digit readout on the display. Simple, accurate breath alcohol testing.
ALERT J4X uses an electrochemical sensor, the standard for law-enforcement breath alcohol testers, ensuring both stability and accuracy.