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Servo
   
 |  | Re: I was wonering about electric fences?
<Reply # 20 on 5/11/2005 8:44 PM >
|  | | | Posted by atomx
Or maybe pickup a cheap inductance tester. Shows current without touching anything, gotta get a sensitive one though.
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I believe these only work with AC systems? I don't know if most electric fences are AC or DC.
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Avatar-X
   
Alpha Husky
location:
West Coast
Gender: Male
yay!
| |  | Re: I was wonering about electric fences?
<Reply # 21 on 5/11/2005 8:44 PM >
| | | | You guys are kind of forgetting a huge problem here;
The only reason I knew it was electic was because it said danger high voltage! How do you know if it is on or not?
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Usually a sign that says "Danger! High Voltage!" means that there is high voltage equipment inside the fence, not that the fence is electrified.
It's very rare to find an electrified fence designed to keep humans out. It's usually used for livestock.
huskies - such fluff. |
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atomx
 
location:
Brighton, ON
Gender: Male
| | | Re: I was wonering about electric fences?
<Reply # 22 on 5/11/2005 8:58 PM >
| | | | You can get an AC/DC Clamp meter.
http://www.extech....ory/acdcClamp.html
"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." - Richard Cook |
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Jedstah
location:
Moncton, NB, CanaDUH.
Gender: Male
i never thought id see the day, when church kids choose the hardcore way.
| | Re: I was wonering about electric fences?
<Reply # 23 on 5/11/2005 10:36 PM >
| | | | i say pee on it. like in cky4. woo!
You shake my hand, say “pleased to meet you.” Look me in the eye, I don’t believe you. TUI, as long as I’m still alive. I live despite you. Realize I’m not one of your kind, I’m nothing like you. |
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atomx
location:
Brighton, ON
Gender: Male
| | | Re: I was wonering about electric fences?
<Reply # 24 on 5/11/2005 11:30 PM >
| | | | I'd say don't unless you really want to feel like you just gave birth to a 60lb kid out your cock.
"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." - Richard Cook |
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Whitehorse
Gender: Male
| | Re: I was wonering about electric fences?
<Reply # 25 on 5/11/2005 11:31 PM >
| | | | Posted by Avatar-X
It's very rare to find an electrified fence designed to keep humans out. It's usually used for livestock.
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The only people allowed to use electric fence other than for livestock is the government.
The current is a pulsating DC. The basic design is a square wave generator that has the negative cycle filtered out and the remaining positive half of the cycle is fed into a step-up transformer.
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Whitehorse
Gender: Male
| | Re: I was wonering about electric fences?
<Reply # 26 on 5/11/2005 11:42 PM >
| | | |
I wouldn't try to use a voltmeter. Odds are it will fry unless it has over-voltage protection.
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atomx
location:
Brighton, ON
Gender: Male
| | | Re: I was wonering about electric fences?
<Reply # 27 on 5/12/2005 1:20 AM >
| | | | Posted by Whitehorse
I wouldn't try to use a voltmeter.
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Not a Voltmeter. A Clampmeter
It doesn't touch the wire, it goes around it, and measures inductance through a coil in the clamp area. Quite sensitive coils so it can detect AC/DC even at low/high voltages/current
"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." - Richard Cook |
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Whitehorse
Gender: Male
| | Re: I was wonering about electric fences?
<Reply # 28 on 5/12/2005 1:09 PM >
| | | | Posted by atomx
Not a Voltmeter. A Clampmeter
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Even clampmeters will fry unless they have over-voltage protection.
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atomx
location:
Brighton, ON
Gender: Male
| | | Re: I was wonering about electric fences?
<Reply # 29 on 5/12/2005 1:33 PM >
| | | | Posted by Whitehorse
Even clampmeters will fry unless they have over-voltage protection.
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How many volts are you looking to inspect? I work on radar systems that employ from 10kV to 120kV. And have never fried one yet.
"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." - Richard Cook |
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Whitehorse
Gender: Male
| | Re: I was wonering about electric fences?
<Reply # 30 on 5/12/2005 2:30 PM >
| | | | I'll repeat myself.
Even clampmeters will fry unless they have over-voltage protection.
Maybe the specific clampmeter you are using is designed for high voltage measurement and has over-voltage protection but not all meters are capable of that. There are a lot of very inexpensive methods for testing electric fences that don't require a meter worth a couple of hundred dollars. I'm looking at a neon light and 2 resistors that cost around a dollar and has been working for me great for over 20 years. Even grounding a piece of wire and holding to the fence will show results. I even used to have this great barn cat that I used from time to time.
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atomx
location:
Brighton, ON
Gender: Male
| | | Re: I was wonering about electric fences?
<Reply # 31 on 5/12/2005 2:42 PM >
| | | | But have you tested it on any Govenment fences? Do they use the same charger as a farm fence, probably not.
Oh, and one other thing, the government fences keep a track on the certain resistance that the fence is. Once that changes they know that something has change e.g. cut, short, someone touching it somewhere along the line. But why would you want to cross into a gov/military site, just to risky. Just try to get a tour, there's not much classified stuff on canadian bases, excpet a few.
"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." - Richard Cook |
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atomx
location:
Brighton, ON
Gender: Male
| | | Re: I was wonering about electric fences?
<Reply # 32 on 5/12/2005 2:42 PM >
| | | | And a Cat? poor pussy.
"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." - Richard Cook |
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