GB 3883.12-1991
Safety of hand-held motor-operated electric tools--Part 12: Particular requirements for concrete vibrators (internal vibrators) (English Version)

Standard No.

GB 3883.12-1991

Language

Chinese, Available in English version

Release Date

1991

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2007-09

Replace By

GB 3883.12-2007

Latest

GB 3883.12-2012

GB/T 3883.12-2012

Scope

This standard applies to concrete vibrators whose working part (vibrator) is immersed in the concrete to work. Note: They can be one of the following structures: - Both the motor and the vibrating mechanism are set inside the vibrating rod, while the part where the power switch is installed is connected to the vibrating rod through a long hose equipped with connecting wires; - Both the motor and the vibrating mechanism are set in the vibrating rod, and the handle with the power switch part is fixed on the vibrating rod through a short hard tube. All these parts form a structural unit; only the vibrating mechanism is installed in the vibrating rod Inside, a separate portable unit consisting of a motor and a part equipped with a power switch is connected to the vibrating rod through a long hose with a built-in flexible shaft. Stationary vibrators used to vibrate concrete forms, such as those for vibrating concrete precast parts, are not covered by this standard.

GB 3883.12-1991 history

• 2012 GB 3883.12-2012 Safety of hand-held motor-operated electric tools.Part 2:Particular requirements for concrete vibrators
• 2007 GB 3883.12-2007 Safety of hand-held motor-operated electric tools Part 2: Particular requirements for concrete vibrators
• 1991 GB 3883.12-1991 Safety of hand-held motor-operated electric tools--Part 12: Particular requirements for concrete vibrators (internal vibrators)

GB 3883.12-1991 -All Parts