Unlike dealing with giant software vendors, with Interlink Systems you can have an immediate impact on this product. I value your feedback and suggestions. Trouble with the program? Confusing manual? Something missing? Upset? Happy? Let me know by going to the contacts page and sending me an email. If you have a problem with one of your projects, or think you have found a bug, please attach your project file to the email with instructions on how to produce the problem. I will check it out and get back with you.
Download installation instructions
All of the links on this page download files to your computer. Starting with Release 4, each release installs in its own folder and does not overwrite the previous version. So you can easily preserve your previous version for comparison. For new versions to run, you will have to manually copy your license file to the new installation folder.
Precharge Calculator Operator's Manual Only
Download just the latest operator's manual for Precharge Calculator. The manual is included with a full software installation. Use this link just to review the manual without installing software.
Note: Choose your software download from this list. The most recent version is at the top. Do not install a version if your maintenance period does not cover the date shown. Be sure and keep your own backup copy of the version you are currently using. This software will not run without a valid license file. Contact Interlink Systems for licensing terms.
Precharge Calculator Release 4 (Ver 1.511) - 8 June 2015
Version 1.511 adds buttons to automatically set up for API methods A, B, and C, greatly simplifying API 16D calculations. It fixes a bug in handling comma as a decimal separator and space as a thousands separator; Norway, Brazil, and Germany, you need this. It fixes a bug that occurs when you use only the Del key to edit a number. The greek letter rho (for density) now prints correctly.
Precharge Calculator version 1.509 - 5 June 2013
Version 1.509 is a big change from previous versions. In particular, it adds the ability to make calculations for depth compensated bottles and for accumulators that include extra gas-only bottles. It also adds features to compensate for uncertainties in precharge pressure and temperature and can design for a draw down test requirement. This version also adds some useful output quantities, and fixes some bugs.
Version 1.509 fixes an "Improve" bug found in 1.507 Beta. If you are using 1.507 you should replace it with 1.509. Please let me know if you see anything else you think needs attention.
Precharge Calculator version 1.502 - 12 Jan 2012
Version 1.502 adds some features, greatly improves the Sequence mode, and fixes bugs in the Sequence printouts. Do not install this version if your maintenance period does not cover the date shown. Be sure and keep your own copy of the version you are currently using. This will not run without a valid license file. Contact Interlink Systems for licensing terms.
Precharge Calculator version 1.400
Update instructions for the owner of any revision prior to 1.400
Any program executable file prior to version 1.400 can be used as a license file for version 1.400. If you have an earlier version, you should install this update since 1.400 contains a number of improvements and bug fixes and this is the easiest way to get them for free.