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02-25-2012, 06:43 PM
Thread: Electrical or HVAC?
by -MAKE-- Replies
- 28
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- 1,343
I have been doing electrical for over 15 years....
I have been doing electrical for over 15 years. Automation, machines, commercial, household, you name it. There is so much to learn and to keep up with. Codes and overall technical development. Few...
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12-02-2011, 05:11 PM
Thread: checking 4-20ma signal
by -MAKE-- Replies
- 23
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- 2,317
That's right. Voltage drop depends on the diode...
That's right. Voltage drop depends on the diode you use but it usually falls between 0,4-0,8 or something like that.
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12-02-2011, 04:44 PM
Thread: checking 4-20ma signal
by -MAKE-- Replies
- 23
- Views
- 2,317
Another trick is to put a normal diode in series...
Another trick is to put a normal diode in series with the 4-20mA signal. Then you can check the current in milliamp range by simply measuring across the diode. The meters resistance is so small that...
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Yeah, that's right. And rain sucks. Here's a...
Yeah, that's right. And rain sucks.
Here's a little tip about checking the fuses. Put meter in the ohm or diode range, and measure with red or volt/ohm lead against the amp terminal. It will show... -
I'm wondering, what are you asking?
I'm wondering, what are you asking?
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11-12-2011, 07:00 PM
Thread: CO2 article
by -MAKE-- Replies
- 17
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- 1,581
We had the first co2 supermarket in 2007. It was...
We had the first co2 supermarket in 2007. It was cascade.
Now they are building first full co2 dx supermarket. It's supposed to be 15-20% more efficient than conventional system.
Also we have... -
11-12-2011, 06:44 PM
Thread: Fluke or Fieldpiece?
by -MAKE-- Replies
- 44
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- 2,714
I have Fluke Ti-20, Scopemeter123, 335, 52II,...
I have Fluke Ti-20, Scopemeter123, 335, 52II, 971, 322 and 62 at least, maybe there's more. And like them. Most of them get tossed around in my van and they seem not to care about it. Oldest one I...
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11-12-2011, 05:50 PM
Thread: small metal lathe
by -MAKE-- Replies
- 9
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- 654
I have a small lathe and a small mill. Don't use...
I have a small lathe and a small mill. Don't use them everyday but when needed, "priceless". Lathe is chinese noname but it does it's job. I can get less than 0,1 mm accuracy easily. Even done some...
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11-05-2011, 08:11 PM
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- 10
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- 394
Why don't you just recover the refrigerant and...
Why don't you just recover the refrigerant and put it back when you're done?
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10-21-2011, 06:09 PM
Thread: What can I say but we know our stuff
by -MAKE-- Replies
- 10
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- 418
What can I say but we know our stuff
http://abcnews.go.com/Blotter/car-company-us-loan-builds-cars-finland/story?id=14770875#.TqHVH_t3vRo.twitter
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10-21-2011, 05:39 PM
Thread: Vacuum Troubles
by -MAKE-- Replies
- 90
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- 3,764
OK, where can I get one? I have to see for...
OK, where can I get one?
I have to see for myself.
None of the links from accutools for Europe showed one. I did not even look at Romanian and Italian sites because.... Well... Not gonna order from... -
10-15-2011, 05:30 PM
Thread: Vacuum Troubles
by -MAKE-- Replies
- 90
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- 3,764
Would you explain what POE has to do with this?
Would you explain what POE has to do with this?
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10-15-2011, 03:51 PM
Thread: Thermal imager&blower door test
by -MAKE-- Replies
- 9
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- 488
Thermal imager shows a distinct pattern if there...
Thermal imager shows a distinct pattern if there is a air leak compared to thermal conduction. This is at least here where the norm is having the building in a slight negative pressure. You guys that...
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09-09-2011, 04:10 PM
Thread: Fluke digital gauges
by -MAKE-- Replies
- 10
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- 1,166
DC jack of my Fluke thermal imager busted and the...
DC jack of my Fluke thermal imager busted and the thing travelled to Washington for repair. They upgraded the jack AND calibrated the imager. Cost me nothing.
Now keep in mind where I'm... -
08-19-2011, 06:03 PM
Thread: Torque Wrench question
by -MAKE-- Replies
- 46
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- 3,173
I use torque wrenches all the time on flare...
I use torque wrenches all the time on flare fittings and machine repairs.
If fact in Europe there is a refrigeration standard that says what torque to use by the diameter of flare. Must be the... -
08-16-2011, 01:51 AM
Thread: Question/advice on split ductless unit
by -MAKE-- Replies
- 7
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- 500
Have your tech read the installation manual....
Have your tech read the installation manual. There he will find the limits of installation lenght and height difference between units. Also what has to be done to extend those limits to maximum.
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08-12-2011, 09:23 PM
Thread: contactor wiring issue
by -MAKE-- Replies
- 23
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- 921
Can I have my * now:angel:
Can I have my * now:angel:
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08-12-2011, 09:18 PM
Thread: contactor wiring issue
by -MAKE-- Replies
- 23
- Views
- 921
And in the mean time fighting russians we just...
And in the mean time fighting russians we just figured it out that 3phase is the way to go:grin2:
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08-12-2011, 09:03 PM
Thread: contactor wiring issue
by -MAKE-- Replies
- 23
- Views
- 921
Keep in mind that we were the ones who kicked the...
Keep in mind that we were the ones who kicked the soviet outta here:cheers:
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08-12-2011, 08:59 PM
Thread: contactor wiring issue
by -MAKE-- Replies
- 23
- Views
- 921
Yes, they realized that 3 phase is is better.
Yes, they realized that 3 phase is is better.
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08-12-2011, 08:48 PM
Thread: contactor wiring issue
by -MAKE-- Replies
- 23
- Views
- 921
Come visit me. All 3 phases except few houses...
Come visit me. All 3 phases except few houses from the 30's to 40's:grin2:
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08-12-2011, 07:26 PM
Thread: contactor wiring issue
by -MAKE-- Replies
- 9
- Views
- 1,155
Noup. I would get slapped by moderators.
Noup. I would get slapped by moderators.
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08-12-2011, 07:21 PM
Thread: contactor wiring issue
by -MAKE-- Replies
- 9
- Views
- 1,155
Do you think multiple posting will help?
Do you think multiple posting will help?
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08-12-2011, 07:04 PM
Thread: TXV hot swap
by -MAKE-- Replies
- 49
- Views
- 3,806
So what's the deal? Anyone? Around here you...
So what's the deal? Anyone?
Around here you can't vent HFC:s but I'm curious what the EPA says.
In my world ODP is as much of a factor as GWP. Can't vent and need license. -
08-11-2011, 12:33 PM
Thread: TXV hot swap
by -MAKE-- Replies
- 49
- Views
- 3,806
Forgive me not knowing you EPA codes but this...
Forgive me not knowing you EPA codes but this sound weird.
According to this venting of 410A is OK. It has 0 ODP and it is HFC.
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