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Tel-Tru P431 Level Sensor
Tel-Tru® type P431 pressure level sensors are designed for low cost of ownership for level/depth measurement applications in shallow or deep wells. Their key features are long term stability, internal protection from lightning via dual gas discharge tubes, internal EMI/RFI filtering, double sealed cable, and a maintenance free vent filter. Common applications include irrigation, level and depth measurement, underground storage, water resource, well water, and coal bed methane.