http://www.ebay.com/itm/Non-invasive-Split-Core-Current-Transformer-AC-current-sensor-30A-SCT-013-030-/321424072757?pt=LH_DefaultDomain_0&hash=item4ad65e2035 You can get these on Ebay all day long for about $7-$8
-- Christopher Tyler MTCRE/MTCNA/MTCTCE/MTCWE Total Highspeed Internet Services 417.851.1107 ----- Original Message ----- From: "David via Af" <[email protected]> To: [email protected] Sent: Wednesday, October 8, 2014 3:34:32 PM Subject: Re: [AFMUG] packetflux save me Thats what I thought about doing just didnt want to go to four corners of the earth to get parts. I may have some old torroids laying around I could just rap some wire around and rap the hot leg of each light on there and see if I get any where. On 10/08/2014 09:15 AM, Chuck McCown via Af wrote: > You can get current transformers that can be applied to the wires > without cutting them. They snap over the wires. Add a rectifier, cap > and load resistor and you have a voltage that is proportional to > current. Set some limits in the telemetry and you are monitoring your > lights. > *From:* Tushar Patel via Af <mailto:[email protected]> > *Sent:* Wednesday, October 08, 2014 6:36 AM > *To:* [email protected] <mailto:[email protected]> > *Subject:* Re: [AFMUG] packetflux save me > > Forrest, > > First search on tower monitor price is close to $940. Do you know the > place where you can buy for lot less? > > How about following? > > http://www.burk.com/Products/Tlm.aspx > > Thanks, > > Tushar Patel > > 512-257-1077 > > www.westernbroadband.com <http://www.westernbroadband.com/> > > *From:*Af [mailto:[email protected]] *On Behalf Of *Forrest > Christian (List Account) via Af > *Sent:* Wednesday, October 08, 2014 2:33 AM > *To:* af > *Subject:* Re: [AFMUG] packetflux save me > > I was going through my drafts and noticed for some reason the > following was still a draft, and hadn't been sent: > > Are you saying this is a DC tower lighting system now? I haven't run > across one of those yet. > > For AC, I was going to recommend that you look into a tower light > monitor with a contact output you could hook into a sitemonitor or > similar. I know people who have used the ones from > www.towermonitor.com <http://www.towermonitor.com> with good results. > > I'm also looking at building a purpose-built module for the > sitemonitor system, but this is a ways down the todo list. > > -forrest > > On Mon, Sep 15, 2014 at 5:58 AM, David Milholen <[email protected] > <mailto:[email protected]>> wrote: > > I am going to replace my third elec eye. I am converting the eye to DC > with isolation so I dont lose another one > but I would like to get something simple to monitor the sites lights. > > On 9/15/2014 1:18 AM, Forrest Christian (List Account) wrote: > > Hey I was going to reply but I've been traveling and haven't had a > chance to access the info I need to reply. > > At this point I'll be back in the office mid week and I'll have > some good suggestions for you. > > On Sep 11, 2014 9:34 PM, "David Milholen" <[email protected] > <mailto:[email protected]>> wrote: > > Forrest, > I was looking over your site trying to find something that would > help me to monitor > our older tower lighting using incandescent bulbs. > I am not sure if the shunts will do the trick because I believe > those are for DC current not AC. > > I have some Toroids that may help with the AC current drop across > a circuit for indicating its on > or off. > > Ill have to pull my old AC circuit analysis book and transducers > to see what I have to do to interface it > to a site monitor base unit > > -- > > -- >
