Cameron Barton Mechanical Chart Recorder

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With more than one million BARTON® DPU-based instruments in service around the world today, Cameron’s Measurement Systems division is a premier supplier of reliable and accurate chart recorders. Originally developed in the early 1920s, our differential pressure technology features a welded bellows assembly that increases accuracy while dramatically reducing the effects of wear. To facilitate quick and easy repairs all DPU based instruments are supported with pre-calibrated exchange or repaired sub-module bellows assemblies.


  • Perfected Construction techniques ensure linearity, low hysteresis and a long life
  • Die Cast Aluminum Cases with Stainless steel linkage
  • Standard 12″ (300mm) nominal diameter circular charts
  • Disposable felt tip inking system
  • Battery or spring wound clock


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