Alco‐Sensor FST®
Operator's Manual
PROTECTED A
Batteries ‐ The battery cover is located on the base of the Alco‐Sensor FST®. Two AA alkaline
batteries should run well in excess of 1000 tests at room temperature. The device is reverse‐
polarity protected. Rechargeable batteries are not to be used.
If the Alco‐Sensor FST® does not have sufficient battery power to perform a test, either the
display will not power on or BAT will be displayed and testing will be disabled.
Alco‐Sensor FST® Operator's Manual
15 of 30
2018‐12‐18
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