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R410a Superheat Subcooling Calculator Charging Chart Cards – 2007

4.4 out of 5 stars 36 customer reviews

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Product Details

  • Cards
  • Publisher: Nash Enterprise (2007)
  • Language: English
  • ASIN: B001U59X6Q
  • Product Dimensions: 6.1 x 3 x 0.1 inches
  • Shipping Weight: 0.3 ounces
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (36 customer reviews)
  • Amazon Best Sellers Rank: #34,679 in Books (See Top 100 in Books)

Customer Reviews

Top Customer Reviews

Format: Cards Verified Purchase
One side gives the simple superheat numbers and the other side is the super cool side. Just that simple. It could not be easier to use, and the price is about normal. If you need a simple pocket reference, you will like it well enough. I gave it only 4 stars because it is made of the hard "paper type" material that will not stand up to on-the-job abuse well. It will require that you treat it well or the outside will deteriorate rather quickly. However, if you keep it in your shirt pocket or in a clean dry place where the lettering on the outside does not get rubbed off, you will get years of good service from this! Enjoy.
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I love these charts for their size and simplicity. They are small enough to fit inside your temp probe box tucked out of the way and very easy to read. I also like the fact that they have general dry bulb to wet bulb calculations written right on there for you to use, so under normal humidity/ conditions, they are very easy to use. They are pretty sturdy as well and don't wear down like other slide charts I've used. I would buy them again.
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Format: Cards Verified Purchase
Nicest Slidechart I've ever seen. Saves you a lot of time when the manufacturers spec is not available. I bought this along with an r22 version of the same chart. I also bought Yellow Jacket's digital P/T chart so now I can make all my SH/SC calculations quickly and professionally.
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Format: Cards Verified Purchase
I ordered this calculator chart, but received instead the duct calculator chart. --- what do you mean I can't keep my reviews short and sweet? (stupid system requirements)
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Format: Cards Verified Purchase
This calculator charging chart is very helpful when trying to determine the proper charge on a txv or non txv system,it's also not too big to carrying in my service vehicle and not too small that I can't read it.
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Handy pocket calculator, I wish that instructions would go right to the point,fancy words/too many words sometimes do not help the user.
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Format: Cards Verified Purchase
needed this for a job and was just as advertised was delivered very fast as promised. I would recomened this to anyone needing one
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Format: Cards Verified Purchase
I enjoy good quality tools, and this slide rule is one of them. Well worth the price. I use it in my business all the time.
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