• Available Formats
    • Options
    • Availability
    • Priced From ( in USD )
    • Secure PDF

      Secure PDF Files

      Secure PDF files include digital rights management (DRM) software. DRM is included at the request of the publisher, as it helps them protect their copyright by restricting file sharing. In order to read a Secure PDF, you will need to install the FileOpen Plug-In on your computer. The FileOpen Plug-In works with Adobe Reader and other viewers. Visit FileOpen to see the full list.

        What you can do with a Secure PDF:
      • Print
      • Search
      • Highlight
      • Bookmark
      Please note that some publishers - including BOMA, IADC and ICML - do not allow printing of their documents.

    • 👥
    • Immediate download
    • $15.43
    • Add to Cart
    • Printed Edition
    • Ships in 1-2 business days
    • $17.13
    • Add to Cart
    • Printed Edition + PDF
    • Immediate download
    • $21.60
    • Add to Cart

Customers Who Bought This Also Bought


About This Item


Full Description

Specifies requirements for three types of levels, viz. Type 1 which is usually made with a flat unrelieved base of hardened steel, Type 2 which usually has a cast iron body, and Type 3 which is a square block level that may be used for checking both flatness and squareness. Sensitivities of spirit level vials, design features, accuracy requirements and marking are specified and an appendix describes preferred test methods.

Document History

  1. AS 2054-1977


    Spirit levels for use in precision engineering

    • Most Recent
  2. AS B135-1955

    Precision levels for engineering workshops

    • Historical Version