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going to pull the trigger on a ground fault

Discussion in 'Irrigation' started by CAPT Stream Rotar, Apr 18, 2012.

  1. 1idejim

    1idejim LawnSite Fanatic
    Messages: 11,081

    Due to the recent demise of my Dynatel 573DL i just ordered a GFL3000 from Armada. I hope i transition to it quickly. I have an existing system expansion locate and evaluation set for the 3rd and will need it then.
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  2. 1idejim

    1idejim LawnSite Fanatic
    Messages: 11,081

    My Armada fault finder made its way to me today and it's being charged right now.

    Sadly i had to put my Dynatel 573DL down last week. The GFL goes to work next week though (after a practice run or 2).

    Will try to post pics this weekend. I have a dive job this afternoon
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  3. Kiril

    Kiril LawnSite Fanatic
    Messages: 18,334

    Once you get it charged, make sure you send it to its proper home. ;)
     
  4. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Messages: 50,218

    what happened to the Dynatel?
     
  5. 1idejim

    1idejim LawnSite Fanatic
    Messages: 11,081

    The transmitter LCD began blinking. Means that the machine needs repair. Nothing works and it's gonna take 4-6wks and mucho denaro to resolve. The 3000 was a good choice.
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  6. bcg

    bcg LawnSite Bronze Member
    from Tx
    Messages: 1,865

    Jim, I'll be interested to hear how you fare with the GFL3000. I have one and really haven't had a lot of success with it. I don't know if I'm doing it wrong or if it's got some fault in it.
     
  7. 1idejim

    1idejim LawnSite Fanatic
    Messages: 11,081

    I set up a direct fault using 18 ga wire tonite.

    I measured short to earth of the wire 1881

    The general earth conductivity was 900

    The conductivity at the ground stake was 099 / 082 modified

    Condvctivity at the fault was 585

    All measurements were taken with a DMM set at 2000kohms.


    Basically the ground conditions were what i would be seeing in jvne/july in my area.

    With the transmitter set on low, receiver sensitivity at 12 o'clock i had detectable kick 30 ft from the fault in any direction and good kick at 6 o'clock.

    I wet the return path and the response increased at lower sensitivity levels.

    I noticed the fault directional change is about 4 in inside the frame. Don't know if this helps or not.

    Give me a few weeks and i can prolly tell you more.

    I miss the Dynatel, i have been spoilt. LCD, current strength, resistance and continuity readings for return paths. Aw what a machine she was.
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  8. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Messages: 50,218

    seems you'd be in a good position to grab one of the used/tested transmitter units on eBay
     
  9. 1idejim

    1idejim LawnSite Fanatic
    Messages: 11,081

    Boots, thought of that. Maybe, maybe not.

    Here are a few random pics from the last few weeks.

    well i guess not, the system won't upload due to a missing token, WTF????:hammerhead:
     
  10. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Messages: 50,218

    For the money, it seems a no-brainer, as there must be thousands of those 573's out there, still working, even as they're retired and replaced.
     

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