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IL | How can I find the correct Cal. number for a Raven 60p flow meter, for solution other than water? It is a blend other than 10-34-0/ 28%.
Need it figured out in the next day or so.
Thanks |
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Brazilton KS | I'd say you are going to have to flow a known volume and calibrate it by multiplying the cal number by th error. |
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IL | How much do you reckon it would take? |
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Brazilton KS | I'm not familiar with the flowmeter model numbers.....is that the big honkin' 3" floater flow meter? It mostly depends on how accurate you want the calibration to be. The more you run through it in testing the closer it will read to correct. |
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IL | naaa, it is a inch and a half. I guess I could run out 5 gal in a bucket..... |
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Idaho | My wag and experience is that it will not be that much different than water. Close enough to go to the field with and fine tune as you go. Course it ain't my crop or fert. Isn't a perfect world eather. Let us know the outcome. |
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IL | I am trying to be correct at the get go, as I have a custom job to do, before I do my own.
Will keep you updated |
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NW Washington | Here are the magic conversion factor numbers to use when calibrating a sprayer using water when the actual solution is a heavier liquid. My WAG is that these numbers will work for you too.
http://www.teejet.com/english/home/tech-support/nozzle-technical-in... |
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NEWTON, IL (SE IL.) | Conversion doesn't matter for volume, only for pressure. A gallon is still a gallon. The flow meter knows that. That's why there isn't any conversion charts in your Raven manual. A gallon is still a gallon. |
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| Start around 110 for that series, A 5 gallon measurement is not enough, weigh an empty tanker, put around 400 gallons or so in your sprayer, take a boom line of and run it into you tanker, weigh and check to see what you got, Raven has a formula to use in the back of all manuals or look on their website, or you can use % to adjust also. Your number should not change significantly between water and 32. A gallon is a gallon to a volumetric flowmeter. |
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Bethany, MO | Phil J. has the right answer. The cal # on the flowmeter won't change whether you run water or fertilizer. The conversion factors are for the tips. You size the tips for the gallons per acre X conversion factor. That's the new gpa you use in the table. |
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| The cal number will change with the "thickness" of the liquid. It is not greatly different, but it does change with different solutions. The right word is probably viscosity. |
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Bethany, MO | A gallon of oil takes the same volume as a gallon of water. That is what the flowmeter measures. |
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East Central Wisconsin | I ran into this same thing last year with our 32% side dress when side dressing corn . Don't trust tank measurements on any tank to do any cal test. I did a full semi load and use there weight to equal mine on the raven. There is a BIG difference in cal number from water to 10-34-0 and 32%. I will get you the cal number for two of raven flow meter for 10-34-0 and 32%
The Kid |
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East Central Wisconsin | I use a raven 15p flow meter for pop-up(@5gpa) on our planter and the cal number was 1670 for water and i had to go to 1770 for cal number for 10-34-0. On our 32% rig the raven is a 60p and it's cal number was 710 and i had to go to 736-737 for 32% to equal a semi load weight. To me the weight of the product makes a BIG difference with the cal number on a raven flow meter.
One other thing i found out the cal number that raven uses for deer 8000's tractor is to slow also. They want you to use 612 for cal number and 618-620 is alot closer to the gps readings i am getting.
Hope this helps
The Kid
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East Central Wisconsin | Sorry
The thing i am talking about with the deere's is raven's speed cal for deere's radar.
The Kid |
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Raven flowmeter cal. number
