AL4000 Replaceable Sensor Module

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Replaceable sensor module for AL4000 coin-operated breathalyzer. Simply replace the old sensor with a new precalibrated sensor module for brand new accuracy. The sensor replaces th e worn sensor and eliminates the need for recalibration. AL4000 offers owners an economical and convenient way to maintain their AL4000. AL4000 is a revolutionary design that provides owners with an affordable, convenient and instant alternative to expensive recalibration services. This sensor is designed for AL4000 and AL3500F. Features: Displays in mg/l or %BAC Lasts a minimum of 1000 tests when used according to manual guidelines Instant Recalibration and no downtime 'Snaps in' design. No Screws needed Show more