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Type: Posts; User: mike h

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  1. Replies
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    I gave the wrong model number for the "big" Fluke...

    I gave the wrong model number for the "big" Fluke Pipe Clamp thermocouple

    http://www.amazon.com/Fluke-80PK-10-Clamp-Temperature-Probe/dp/B003RYZI9O/ref=sr_1_6?ie=UTF8&qid=1323189607&sr=8-6
    ...
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    1). Here is a silly question: Are you measuring...

    1). Here is a silly question: Are you measuring the cooling coil outlet's superheat using two thermocouples (inlet/outlet); or are you using a single thermocouple at outlet and (at same place)...
  3. Thread: dye cleaner

    by mike h
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    437

    For the Spectronics Ultraviolet Dye cleanup, we...

    For the Spectronics Ultraviolet Dye cleanup, we use "Simple Green". Have seen it at Home Depot.
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    Poll: We have used UV dyes for about 15 years. There...

    We have used UV dyes for about 15 years. There are dozens of ultraviolet dye/lamp companies. One company's UV lamp might not work with another company's UV dyes. So we went sole source with...
  5. Henry Dehydrator Cartridges (driers) in plastic bags?

    I work for the US Navy, and sometimes we get strange things out of our supply system. The latest batch of driers (just the cartridges-- which slide into a flanged housing) were NOT in the standard...
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    Oil test kits versus Oil Lab results

    US Navy Philadephia Oil Lab-- checked acid numbers for both mineral oil and POE oil. They compared the test kits in ideal conditions to their fancy oil lab tests.
    1). Acid Alert Test Kit from...
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    TIF micron gage

    I started using the Robinair micron gage (not digital, but had a needle pointer). Then went to a TIF 9450D http://www.tif.com/cgi-bin/pdc/viewprod.cgi?pid=953&tid=2&type=hvac
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    TXV manufacturers ALCO, Sporlan, etc. --- all...

    TXV manufacturers ALCO, Sporlan, etc. --- all have a code built into their TXV part number. This tells whether the thermal bulb is filled with a liquid, gas, etc. But it doesn't tell the "filler".
    ...
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    Air Sled's instruction manual says "don't use on...

    Air Sled's instruction manual says "don't use on gravel".

    On a finished concrete floor, we used something similar to move pre-fab condo's [two to three room building blocks on a 15 feet by 25...
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    We have had good luck with two 'oil test'...

    We have had good luck with two 'oil test' companies. The first is http://www.analystsinc.com and the other is http://www.refrigerants.com. Originally heard of them from Wayne Bundza (he was teaching...
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    1). Hearing 'ice sludge' bouncing, as it travels...

    1). Hearing 'ice sludge' bouncing, as it travels inside the copper piping.



    2). If you have a new and steady air leak--- you will see an almost instantaneous rise in 'water ppm' from an oil...
  12. Thread: Refrigerant ID

    by mike h
    Replies
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    1,300

    Electronic 'refrigerant identifiers' are widely...

    Electronic 'refrigerant identifiers' are widely used in automotive air conditionings. Any decent shop should have them. Nice ones are made/sold by Bacharach (GA-500 Plus), SnapOn Tools, Neutronics,...
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    Craig M.(Absrbtek)-- nice hearing from you again....

    Craig M.(Absrbtek)-- nice hearing from you again. Still keeping busy in Philadelphia? Merry Christmas to you and your family. mike h (hamelam@navsea.navy.mil)
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    A friend at a US Navy lab tested all of the...

    A friend at a US Navy lab tested all of the available electronic sniffers (over 7 years ago) for their refrigerant conversion program. Yokogawa, Inficon, SnapOn, Robinair, TIF, and others.

    He...
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    Checked 5 electronic sniffers (Yokogawa H-10s and...

    Checked 5 electronic sniffers (Yokogawa H-10s and Inficon D-TEK) with the calibration bottle. 2 didn't pass.

    Best $40 spent in a long time.
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    While bribes will be accepted--- I think...

    While bribes will be accepted--- I think Inficon's D-TEK is handier (while still being a world class tool).
    http://www.inficonservicetools.com/refrigerantleakdetectors/dtekselectrefrigerant_339.cfm
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    Last spring some friends wasted hours trying to...

    Last spring some friends wasted hours trying to find leaks with two kinds of electronic sniffers. One was a Yorkogawa H-10 series, and the other was a Robinair.

    The flashing lights and the...
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    What difference does tonnage of a machine make? A...

    What difference does tonnage of a machine make? A deep vacuum is a deep vacuum. A friend has used the 'web bulb vacuum gage' on 1/2 ton walk-in freezers/coolers for years.
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    Ask Carrier on how the tubes are set. 1)....

    Ask Carrier on how the tubes are set.

    1). Rolled-- size of a Sawz-All, but has wheel(s) that go inside the tube. It goes around the inside of the tube, and squeezes the tube wall outward with a...
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    How about the rare few who use the 30 inches...

    How about the rare few who use the 30 inches mercury vacuum to 200 psig pressure gage installed on the compressor--- instead of a 'deep vacuum gage'? After all it the gage face says it is "good" to...
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    One friend prefers it to an electronic deep...

    One friend prefers it to an electronic deep vacuum gage.

    The biggest advantage of the web bulb 'deep vacuum tester' is that they never go out of calibration (as long as the alcohol is 'pure'). ...
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    tricks of the trade for spectronics

    Talking about Spectronics only. There are dozens of UV dye companies, but not every UV lamp lights up every UV dye. Companies are trying to make a "universal" UV lamp that is good for all of the...
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    Refrigerant Identifiers (Bacharach, SnapOn, etc.)

    They are mostly used by auto air conditioning mechanics-- so they don't cover all of the refrigerants that we use.

    Bacharach is a nice one-- we have used them for 5 years. ...
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