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Hydrological Equipment

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SDI-12 Shaft Encoder

Item No.:
3.00 LBS

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The model 8438, Stand-Alone Encoder with absolute data output produces pulses as the shaft rotates, totalizes the signal and outputs a serial ASCII signal which reads directly in feet, e.g. 82.45 so that the signal relates to absolute level or change in level.

The 8438 is a float-driven stage sensor with an SDI-12 output that is designed for use with any data-acquisition instrument that has an industry-standard SDI-12 data interface. When the 5/16 inch diameter smooth shaft is fitted with a 1 foot pulley, it measures stage over a range from 0 to 327.67 feet with a resolution of 0.01 foot.