AL3500 Replaceable Sensor Module

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Replaceable sensor module for AL3500 coin-operated breathalyzer. Simply replace the old sensor with a new precalibrated sensor module for brand-new accuracy AL3500 Sensor replaces the worn sensor and eliminates the need for recalibration. A revolutionary design provides owners with an affordable, convenient and instant alternative to expensive recalibration services. This sensor is designed for AL3500. Features: Displays in mg/l or %BAC Lasts a minimum of 500 tests when used according to manual guidelines Instant Recalibration and no downtime Show more