R 410A superheat subcooling calculator charging chart c

What is for sale: R 410A superheat subcooling calculator charging chart c

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For sale is one new slide type calculator used for calculating R 410A superheat and subcooling. This is a very useful tool that takes the guess work out of charging cooling systems. One side of this tool is used for calculating superheat for a NON-TXV system and the other side is used to calculate subcooling on a TXV system. On the bottom of one side is also a calculator for measuring proper airflow over evaporator coils. The photo shows both sides of the tool. This tool is made of thick durable cardboard with corner rivets and is aproximately 9 inches long by 3.75 inches wide. If you have any questions, feel free to ask and I will answer them to the best of my ability.