Carl, Our favorite locator is the ViperMag. I think it was ~3000 retail. As to its accuracy, based on my one time usage last week I spotted the drill sticks 100% and got the distance within inches. My locator tech says it's 100x better than the old one when there's noise (nearby other utilities).
On Tue, Dec 27, 2022 at 6:21 PM Carl Peterson <cpeter...@portnetworks.com> wrote: > How about this one? Not sure what the new price would be. > > > https://www.ebay.com/itm/225308461851?hash=item34756e4b1b:g:1Q4AAOSwsQpityvJ&amdata=enc%3AAQAHAAAAoGDhdpMkHwHcr%2BvCGwtdhgoKuhWkl29e3dky%2FBRCjSbcavCSO%2FxS%2FOj3ur8IMQrLU9nTSS5jxh1tGbzExnZkLl0ByukyENiu4m%2BjhsDyyBTYdqpHctfm3wplh6OljUR5p2r52f0ADK56LGN4R3c3XaKY8Jiv9Z0pQI4qClIVyOcGYD3Us3yHVvj3gtrWqqaeKNhiHdquQ9vLEuuTiiRWQvY%3D%7Ctkp%3ABk9SR-TFtduqYQ > > On Tue, Dec 27, 2022 at 5:18 PM Chuck McCown via AF <af@af.afmug.com> > wrote: > >> >> https://www.ebay.com/itm/295441271797?hash=item44c9ac0bf5:g:FygAAOSwHUFjq0Fi&amdata=enc%3AAQAHAAAA8EoM%2BACrrWy8doADxOvuYO6McooUnEQT32vIgmMCHxSNW7AFx45Ldlayxo1UF19OgeMhNeiXhx6aeua%2FVkOuaMh276DpXIFBRYOW6ZIHNDHI28906bMAomYZI8WsZJ%2Bze0pJtR1BsN7p7rVxkOUgvBwHQnbPRMW2etIqpj%2FAebmujtKv6pJsoyFexvukHQPKXGZDJB0OxJBapGnHc89pM7aeZtYBRxXE87946w1wr1Dl%2BoKiZI4mbQaCcAV%2FnOr8eRwqRkoApcPdjSO%2B%2FwYN%2FIqi%2BZnoXwN6jDfU420OM07xHxOsQBd0U4rkjQanZcsb0Q%3D%3D%7Ctkp%3ABFBMovD-3aph >> >> >> *From:* Carl Peterson >> *Sent:* Tuesday, December 27, 2022 4:14 PM >> *To:* AnimalFarm Microwave Users Group >> *Subject:* Re: [AFMUG] Underground Locating units >> >> Thanks Chuck, >> >> That helps, I think. I'm at the point where I just need to make a >> decision but 4K isn't enough to make the decision I want to make. >> >> On Tue, Dec 27, 2022 at 5:07 PM Chuck McCown via AF <af@af.afmug.com> >> wrote: >> >>> Most if not all of them locate the signal based on current flowing on a >>> conductor. So you put a signal on a trace wire or cable shield. Ground >>> the far end. The transmitter is connected to the cable and a ground rod. >>> That flow of signal sets up the magnetic field and that is what the locator >>> works off of. If you have trace current then all of them will do a good >>> job. The type of soil doesn’t make much difference. The super cheap ones >>> will find it as easy and the super expensive units. Finding a reliable >>> depth is more difficult. The only brand I have every used where I could >>> trust the depth was a Metrotel. But even the cheapest unit can find depth >>> by locating a null, orienting the pick up coil at 45 degrees and then >>> finding the null off to the side of the of the cable. Distance from the >>> center null to the side null is the depth. >>> >>> The higher the power the farther you can locate. But that just means >>> you don’t have to move the transmitter so much. In my experience I am >>> generally within a quarter mile of the transmitter or less and all of them >>> will do that distance. >>> >>> Some of them will also passively locate 60 cycle power. Some of them >>> locate based on radio signals picked up by wires and pipes and >>> re-radiated. I have had limited success with that on high pressure gas. >>> >>> Many of them have an RF mode where you connect to some object to track >>> but the far end is not grounded. So you just have a capacitive coupling >>> between the thing you want to locate and the earth. Not much current flows >>> so you do not get much distance. For example a fish tape down a plastic >>> duct is located this way. But you will only get dozens or perhaps hundreds >>> of feed if you are lucky. >>> >>> Multiple frequencies have their uses. Older units were down in the >>> audible range like 800 Hz. You can go a very long way with those >>> frequecies. But they also bleed off to other cables and pipes. Higher >>> frequencies are better to get finer resolution but they do not transmit as >>> far. 82 or 84KHz is a popular frequency. >>> >>> Some brands put a coded signal out so only their receiver can pick up >>> the signal. Rycom is one of those. >>> >>> *From:* Carl Peterson >>> *Sent:* Tuesday, December 27, 2022 3:30 PM >>> *To:* AnimalFarm Microwave Users Group >>> *Subject:* Re: [AFMUG] Underground Locating units >>> >>> Thoughts on a used R7200 off of ebay vs something like a new Ridgid >>> SR-24? Trying to do this with a 4K budget. Is a locator either good or bad >>> or is there a middle ground where they don't work well. >>> >>> On Thu, Dec 8, 2022 at 3:30 PM Steve Jones <thatoneguyst...@gmail.com> >>> wrote: >>> >>>> there is also the vermeer lin of locators. massive option set, LM42 is >>>> pretty efficient and can find most things in the ISP domain. SPX25 is good >>>> for locating shallower thing. stuff like the 10x15 or 20x22 utility locator >>>> are surprisingly accurate for it having to be pretty pinpoint. But if you >>>> really want to be certain about finding the utilities on a smaller ISP >>>> budget, youd want to look at Bobcat brand locators, those will find >>>> everything. >>>> >>>> On Thu, Dec 8, 2022 at 3:17 PM Carl Peterson < >>>> cpeter...@portnetworks.com> wrote: >>>> >>>>> Any consensus on locators? We need to buy a new one too. The only >>>>> one I really know is the T5. We don't do a ton of locates so it doesn't >>>>> need to be too high end. >>>>> >>>>> On Fri, Dec 2, 2022 at 2:34 PM Jason McKemie < >>>>> j.mcke...@veloxinetbroadband.com> wrote: >>>>> >>>>>> I'm looking at getting one of these: >>>>>> >>>>>> https://www.ridgid.com/us/en/sr-24-line-locator-with-bluetooth-and-gps >>>>>> >>>>>> >>>>>> On Fri, Dec 2, 2022 at 8:59 AM Nate Burke <n...@blastcomm.com> wrote: >>>>>> >>>>>>> I'm looking to pickup a 2nd locating unit. Without visiting a bunch >>>>>>> of >>>>>>> websites and wading through tech docs, does anyone have >>>>>>> recommendations? USIC around here uses a blue unit, but they're >>>>>>> always >>>>>>> so covered with spray paint I can't see the name/model. We have an >>>>>>> Amprobe AT-3500 today. Looks like Amprobe has a newer model out, >>>>>>> that's >>>>>>> cheaper than the AT-3500 >>>>>>> >>>>>>> Mainly need to locate either a tracer wire (alligator clips) or >>>>>>> traceable fiber (Clamp) >>>>>>> >>>>>>> -- >>>>>>> AF mailing list >>>>>>> AF@af.afmug.com >>>>>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>>>>> >>>>>> -- >>>>>> AF mailing list >>>>>> AF@af.afmug.com >>>>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> Carl Peterson >>>>> >>>>> *PORT NETWORKS* >>>>> >>>>> 401 E Pratt St, Ste 2553 >>>>> >>>>> Baltimore, MD 21202 >>>>> >>>>> (410) 637-3707 >>>>> -- >>>>> AF mailing list >>>>> AF@af.afmug.com >>>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>>> >>>> -- >>>> AF mailing list >>>> AF@af.afmug.com >>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>> >>> >>> >>> -- >>> >>> Carl Peterson >>> >>> *PORT NETWORKS* >>> >>> 401 E Pratt St, Ste 2553 >>> >>> Baltimore, MD 21202 >>> >>> (410) 637-3707 >>> ------------------------------ >>> -- >>> AF mailing list >>> AF@af.afmug.com >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> -- >>> AF mailing list >>> AF@af.afmug.com >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> >> >> >> -- >> >> Carl Peterson >> >> *PORT NETWORKS* >> >> 401 E Pratt St, Ste 2553 >> >> Baltimore, MD 21202 >> >> (410) 637-3707 >> >> ------------------------------ >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > > > -- > > Carl Peterson > > *PORT NETWORKS* > > 401 E Pratt St, Ste 2553 > > Baltimore, MD 21202 > > (410) 637-3707 > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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