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PDL/CDi History: PDL1 to PDL4 Datalogger
PDL/CDi History: CDi or CDi1 or PDL5
PDL/CDi History: CDi2/PDL6, the PDL that Wasn't
PDL/CDi History Version 1.0:

PDL/CDi History: Pembina Lake Erie Datalogger
PDL/CDi History: P5 Switcher
PDL/CDi History: P7 Switcher
PDL/CDi History Version 2.0

PDL/CDi History: ZDL5 Switcher
PDL/CDi History: CDi3.FTe Switcher
PDL/CDi History: CDi3.RMe Switcher
PDL/CDi History: Remote 900 MHz RF Link
PDL/CDi History: CDi99 Libby Flow Meter
PDL/CDi History: P5 Switcher
PDL5 Switcher NPT Cylinders
  • It was decided, early in 2006, to continue with P5 development, specifically to design/build gas lifts and plunger lifts.
  • Early units used VR, Variable Reluctance, differentials and hard wiring, initial cylinders were NPT.
  • The work had produced the Switcher software by mid-2007 and after a couple of attempts, quick-connect wiring and machine threaded cylinders with o-rings by 2008.
  • The design of these was retired in 2010 with the arrival of the CDi3.P7 all-digital controller.
  • They are still in use after modifications as CDi.P5.Sw units operating as plunger lifts and intermitters.

    PDL/CDi History Version 2.0: P5.Switcher
2004. First methanol injector P5.
2006. Final wire isolation method.
2006. 3-cylinder P5 gas lifts with NPT cylinders.
2006. 3-cylinder P5 gas lifts with NPT cylinders.
2009. First attempt to implement quick connectors. Cylinders now have machine threads.
2009. Second and final attempt to implement quick-connectors. P5 switcher with machine cylinders.
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Copyright © 1991-2017 AdamG Last Update: Friday, August 18, 2017 4:06:29 PM