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WATER LEVEL BUBBLER (GB300) TECHNICAL SUPPORT
Sensor Calibration:

To zero sensor:
Pull bubbler hose out of water.  Power up sensor, adjust "zero" pot and set to 4mA

To set sensor for full scale:
Place bubbler hose back into water column, to full scale depth.  Adjust "span" pot to 20 mA.

If it is not possible to set to maximum (for example, if there is not enough water) set to half of maximum depth and adjust "span" pot to 12 mA.

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