Companies that provide free calibration procedures include Ape Software, Google Sites and National Instruments. The procedures are available either for online access, download or printing on each company's website.
Ape Software is a private company that provides quality assurance, business management systems and ISO 9000 compliance to company software solutions and business professionals. The company outlines several sample calibration procedures that businesses can customize to meet their calibration requirements without using external laboratory test equipment. Each procedure contains standards used in ISO 9000 certified companies and lists the type of equipment as well as the purpose and scope of the procedure.
Google Sites provides procedures that focus on calibration and verification of commercial equipment such as calipers, micrometers and universal testers, to readers that do not have written calibration procedures. For each procedure, the site lists reference documents, materials and equipment required and possible procedure methods. The site allows readers to print procedures directly from the website.
National Instruments offers manual calibration procedures for individuals with a good working knowledge of various hardware equipment such as switches, power supplies and digitizers. The procedures include test limits, adjustment methods and measurement methodologies required for each of the equipment. They are available for free download in PDF format.