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Old 04-14-2007, 06:26 PM   #1
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Default Meggers

I use 5 different meggers, two are pictured below. All the meggers we use are digital some with an analog scale. We calibrate all our test equipment and meters yearly.

The f1st megger is a simple compact 1000 VDC go, no go megger for day to day use.

The 2nd megger I use has 50, 100, 250, 500 and 1000 VDC. I like this meter because of the 50 and 100 VDC settings.

The 3rd megger I use a hand crank model, I keep this on my truck for emergencies (LIKE DEAD BATTERIES).

The 4th megger is a 5KV (5000 VDC) with 1000, 2500 and 5000 settings, this meter is a battery and 120 VAC powered, the advantage is this meter hasa run timer for different test that require time test. Some spec. jobs require a one minute test for feeders.

The 5th megger is a ESI (Electric Static) tester with 10 and 100 VDC settings and a built in hygrometer and thermometer.

The last meter shown is a thermometer/hygrometer for measuring temperature and humidity



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Old 04-14-2007, 06:48 PM   #2
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1-5 KV Megger



Thermometer/Hygrometer

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Old 04-14-2007, 07:08 PM   #3
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I show that Extech 403360 megger at $119 plus $105 extra for calibration documents. Are the probes replaceable, do you know? I like clips on a megger.
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Old 04-14-2007, 07:11 PM   #4
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The 5th megger is a ESI (Electric Static) tester with 10 and 100 VDC settings and a built in hygrometer and thermometer.
Say again? Is that for ghost hunting and psychic encounters? How is that meter utilized?
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Old 04-14-2007, 07:12 PM   #5
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brian john.

Why are your instruments calibrated? Is this because of your in-house written procedures or because of an outside agency's requirements?
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Old 04-14-2007, 07:14 PM   #6
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Why are your instruments calibrated?
I'll guess the answer... because people pay good money for such services and reports, so your instruments darn well better be calibrated.

I worked as a factory electrician for a long time at a company that had its own metrology lab. I got spoiled. We could send all sorts of crap over there to calibrated. Guys would send 12" school rules, tape measures, wall clocks, and other such silly stuff there to get a calibration sticker. I brought in an old RadioShack version of a Simpson 260 from home to get calibrated at work. It came back from the met lab with an "are you kidding me?" sticker on the meter face.

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Old 04-14-2007, 07:28 PM   #7
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I have pH, ORP and conductivity meters that not only does the customer require calibration but local, state and federal agencies also. There has to be a paper trail on when the meters were calibrated, by who, reagents used, etc. These type of meters require calibration just about every time they are used.
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Old 04-14-2007, 08:04 PM   #8
 
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we do work for some of the oil companies up here and they require all the meters we use for check out testing be clibrated. the work we do on the military bases the corp of engineers requires model # sn# and date of calibration be submitted with project submittals.
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Old 04-14-2007, 08:23 PM   #9
 
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has anyone tried the new multimeter/megger made by fluke. the vendor said the price was around $400.. not bad for a true rms digital meter plus a digital megger. just interested if anyone has tried it.
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Old 04-14-2007, 08:33 PM   #10
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has anyone tried the new multimeter/megger made by fluke. the vendor said the price was around $400.. not bad for a true rms digital meter plus a digital megger. just interested if anyone has tried it.
I'm always suspicious of test instruments that do more than one function.
That said, a combination megger/DLRO would be nice for both tests that are commonly performed at the same time. Don't think anyone's making one of those.
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Old 04-14-2007, 08:38 PM   #11
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ESI electric Static testing, floors, and tables in clean rooms.

Calibration: Government agencies require it as do a majority of the engineering firms we work for.
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Old 04-14-2007, 09:05 PM   #12
 
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this is the new fluke 1587. it is both a insulation tester/megger and a multi meter. i am also sceptical of one meter trying to be to manny things. but flue has always made a good meter.
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Old 04-15-2007, 10:13 AM   #13
 
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I










this is the new fluke 1587. it is both a insulation tester/megger and a multi meter. i am also sceptical of one meter trying to be to manny things. but flue has always made a good meter.


I have this megger/tester. It is awesome!!! I have used it many times, including not just for meggering. It is also good "eyecandy" to impress the customer...which helps lead them into the perception I may know what i am doing ...this translate in to more $$$
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