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Well Sounder PRO         The Friendly Dinosaur  The Friendly Woolly Mammoth

Additional Specifications and Notes   

 

 

SPECIFICATIONS (Well Sounder PRO):

   Features:
     
Display:  2x6 character LCD
     
Temperature Compension:  in probe
      Serial Output:  baud 300 - 57600, 8 data bits, one stop bit.   (19200 baud default).

   Inputs:
     
Acoustic probe
      Flow Meter Input (with optional adapter) - TTL level transition counting.
      Temperature Sensor Input
      Serial Port

   Outputs:
      Serial Port
      USB (2010 PRO only)
      Analog 0-5 volt, 4-20 ma, 0 or 5 volt alarm (with optional adapter) 

   Logging:
      Memory:  Nonvolatile flash memory for approx 13,000 data points, settings, calibration and user data.
          Additional memory (2010 PRO only)  for over 28,000,000 data points.
      Logging rates:  1 sec. to 60 minutes per sample.

NOTES (Well Sounder PRO):

The specified accuracy is achieved provided certain conditions are met.   Since the distance calculation is determined by timing the returned echo, it is important that a free path is available for the pulse to travel to the water surface and return.   It is possible that an obstruction such as torque arrester or centering ring on a pump pipe can cause a premature echo or distort the pulse causing the effective pulse to shift one way or the other.   It is also possible that a breakout or large fracture opening can also cause a false echo.   Ordinary pump piping and wiring will not interfere with the measurements.

The accuracy is also dependent on the sound speed in the well.   Since the sound speed is affected by the temperature, the average temperature must be specified correctly.   The error is approximately 0.1% degrees F.

The maximum range is limited by the maximum time during which the echo is monitored, and the strength of the echo signal.   Uncased wells drilled through porous material can attenuate the signal faster than the rated distance, making detection impossible.

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