Where to Get a Inexpensive Manometer

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lincolnmania
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Post by lincolnmania » Tue. Jan. 01, 2008 6:51 am

where can I find a cheap manometer......i looked on ebay, there are so many......one that was shown to me last week I saw on ebay for 150 bucks.....too rich for my blood right now, that's over a ton of coal, but in my quest for coal mileage, it's probably something I should own.......dammit I can get 22 mpg out of my modified lincoln town car......i'd like to go a month on 2 tons of coal lol

 
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WNY
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Post by WNY » Tue. Jan. 01, 2008 7:13 am

You must be looking at the wrong one, do a search Dwyer Mark II, model 25, They only run $20-$40 depending. New they are only around $30. I picked 2 used ones up for $20 (for me and a friend).
Here are a few I just found
http://search.ebay.com/search/search.dll?sofocus= ... %3D1&fgtp=

YOu can barrow the one that is going around on here to check your draft.

 
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spc
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Post by spc » Tue. Jan. 01, 2008 8:05 am



 
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WNY
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Post by WNY » Tue. Jan. 01, 2008 11:06 am

That one is a bit higher range, even though you are only using 0-1" anyway....on either one.

 
xackley
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Post by xackley » Tue. Jan. 01, 2008 11:29 am

Model 25 says "Pitot tube required (purchase separately)"
What are they talking about

the model 27 doesn't have that qualification, does that mean the Pilot tube is included in the model 27. Would the Model 27 be more plug and play than the Model 25
http://www.monstermarketplace.com/Home/Landing307a568.html

 
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coaledsweat
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Post by coaledsweat » Tue. Jan. 01, 2008 11:37 am

There are a variety of pitot tubes to measure various things, none of which you need. A small piece of auto brakeline will work fine for measuring your draft.


 
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e.alleg
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Post by e.alleg » Tue. Jan. 01, 2008 3:02 pm

Dwyer 25 mark II is what we all use pretty much. Mine is metric but it works the same. Don't pay more than $35. shipped

 
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Dallas
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Post by Dallas » Tue. Jan. 01, 2008 3:15 pm

I've got a couple NOS Condar Draft Kits Model 4 - !, which I could make available.
They read from -.1 to +.3 inches of water and MM of water. Mount on pipe, however "maybe" they could be tubed to a remote mounting (Instructions say, "they can be mounted remotely"). Let me know if interested.
draftkit.jpg
.JPG | 28.2KB | draftkit.jpg
Last edited by Dallas on Tue. Jan. 01, 2008 6:23 pm, edited 1 time in total.

 
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Dutchman
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Post by Dutchman » Tue. Jan. 01, 2008 4:01 pm

Mine's also a model 25 Mark 2 Dwyer, hunted it down online. My "pilot tube" is a 4' piece of flexible copper tubing that I had leftover from an unrelated plumbing chore. It's a little bigger diameter than the tubing that comes in the kit, but after I worked it on, it makes a tight seal. Total price I think $25-30, plus the "pack-rat" part.

 
Matthaus
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Post by Matthaus » Tue. Jan. 01, 2008 8:01 pm

xackley wrote:Model 25 says "Pitot tube required (purchase separately)"
What are they talking about
A pitot tube is for measuring velocity9gas speed), you are measuring pressure so you do not need one. This feature is available for measuring pressure and air flow in duct work for HVAC systems. :)

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