For details of base GU5.3, see sheet 7004-109.

PURPOSE: To check the base GU5.3 in the following respects:
-the diameter of the individual pins (dimension E);
-the combined displacement and diameter of the pins (dimensions D and E);
-the length of the pins (dimension F);
-dimensions Smax and Hmax;
-the allowable build-up of cement within dimension W.

TESTING: It shall be possible to insert each individual pin of the base into the hole e1 until surface Q of the base touches surface R of the gauge.
It shall not be possible to insert each individual pin into hole e2.
It shall be possible to insert both pins simultaneously into the holes e.
It shall be possible to insert the base into the gauge with the pins entering at surface Q until surface Q of the base is in contact with surface Q of the gauge.
In this position, the ends of the pins shall be co-planer with or project beyound surface X but shall not project beyond surface Y.

Company introduction

HK LEE HING INDUSTRY CO., LIMITED are specialized in manufacturing special, custom built, test and measuring equipment for products testing as per international norms and offering calibration services and related information. Our products and services are used by research & development establishments, test laboratories, defense establishments, government institutions & manufacturing industries to fulfill the clients' requirements.

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If you require equipment to test products such as home appliances, electrical accessories like switches, sockets, connectors, etc. industrial & road lighting luminaires, automobile lighting systems or related categories, we can provide the solutions you need.


We would appreciate your comments on the layout design, presentation or other aspects of our website.

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Contact information

Contacts: Eason Wang

E-mail: info@iec-equipment.com

TEL: +86-755-33168386

FAX: +86-755-61605199

Phone: +86-15919975191

SKYPE: carlisle.wyk

Address: 1F Junfeng Building, Gongle, Xixiang, Baoan District, Shenzhen, Guangdong, China

ZIP: 518102

Website: http://www.iec61032.com/