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STS2 Generations/Serial Numbers Form

This page lets you find out which generation of STS2 sensor you have, based on the sensor's serial number.
First, select an input method (dropdown list or typed text entry), and then select or type in an STS2 serial number.
Then, just click the "Find your STS2 Generation" button to discover the generation for your sensor.
Learn more about STS2 sensors here, and see poles and zeroes for different generations here