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MANOMETER, Do DO DO do do, Manometer, Do DO DO do, Manometer, Do DO DO Do do,da do do, da do do, da do. Sorry, guys, but that's what goes through my head every time I hear that word. Plus it's friday night, ya know what I mean.::DD:
 
THat or a Dwyer in my next choice when my Testo 510 Dies..

OP for your price I would look at Dwyer. I think they may be a little more the 200 but not my much if they are.
 
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get the testo 510, very compact and very accurate, had mine for a couple years, not a single issue, u can fit it in a small bag with hoses, gas fitting, tee's, static pressure tips, and slip it into the veto bag no problem, i have everything in 8"x5" husky zip bag from home depot, i never have to go to the truck to check anything, like u would have to do with just about any other manometer.
 
I would go with the Testo 510; I've had mine for over 3 years and the only problem was when I put it on a panel of the furnace that was really hot! The 510 fell off and when I looked at it the whole back had melted rendering the magnet useless and the battery door doesn't hold very well, but it still works just fine.
 
The 510 can measure in pis up to about 1.4 psi, but a manometer is typically used for pressures below 1 psi positive of negative. If you are working outside of that you use a pressure gauge.
 
it reads to 40"wc, thats 10 times higher than any pressure switch u would ever see. most on high efficentcy furnaces are 3.0"wc

testo will do any pressure switch on gas furnaces.
it will read any gas pressure coming into the furnace up to 40"wc
it will read any static pressure on any duct system.
 
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