GB/T 27509-2011 Active National standards

GB/T 27509-2011 Overhead projectors—Projection stages dimensions

Publish Date: 2011-10-31 Implement Date: 2012-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 27509-2011

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: \nProjectors, slide projectors

ICS Name: Photographic equipment, projectors

Publish Date: 2011-10-31

Implement Date: 2012-01-01

Pages: 7 pages

Scope

This standard specifies the screen area size, positioning pin location, dimensions, and flat area size of the projection table for Type A (250 mm × 250 mm) and Type B (285 mm × 285 mm) transmissive projectors, as well as the position of the projection head support rod. The significant difference between the two types of projection tables lies in the size of the screen area.
This standard applies to Type A (250 mm × 250 mm) and Type B (285 mm × 285 mm) transmissive projectors.
This standard is compatible with projectors of both types and their transparent films, but it does not apply to other special-purpose projectors, excluding dedicated equipment such as those used for X-ray projection.