Alcoscan AL3500 Manuel d'utilisation - Page 14

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REPLACING SENSORS

The AL3500 is equipped with Pre-Calibrated Replaceable

Sensor Modules. Although every consumer

breathalyzer requires periodic re-calibration, the AL3500

allows you to simply discard an old or worn sensor and

replace it with a brand new factory calibrated sensor

module.

Sensor Replacement is recommended every 250~300

tests, or at least once a year (whichever is sooner).

Sensor modules can also be replaced if there is defect

or malfunction in the sensor.

Sensor Module Replacement Instructions

Step 1: Power Off the AL3500

(VERY IMPORTANT -

The new sensor may be severely damaged if power

on).

Step 2: Remove the old sensor module from the AL3500

circuit board and replace it with a new sensor module.

Step 3: Make sure the sensor module is seated securely,

and power on the AL3500.