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3477 21X Alkaline Battery Base

Overview

The 3477 Alkaline Base is replacement part for our retired 21X dataloggers. It can also be used to convert a 21XL (sealed rechargeable battery base) to a 21X (alkaline battery base).

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Detailed Description

The 3477 Alkaline Base is replacement part for our retired 21X dataloggers. It can also be used to convert a 21XL (sealed rechargeable battery base) to a 21X (alkaline battery base).

The 3477 includes an anodized base, on/off switch, battery clips, and eight D-cell alkaline batteries.

The 3477 was formerly ordered as the ALK21X.


Compatibility

The 3477 is for the 21X or 21XL Microloggers.

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