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GB/T 29251-2012Vacuum ovens (English PDF)

真空干燥箱

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2012

Implementation date

June 1, 2013

Scope

GB/T 29251-2012 is the English-translated version of 真空干燥箱.

GB/T 29251-2012 is the Chinese standard "Vacuum ovens". Its scope clause reads: This standard specifies the use of a vacuum oven conditions, requirements, test methods, inspection rules and signs, packaging, transportation and storage.

This standard applies to items under vacuum heating and drying, baking and vacuum oven dry heat sterilization (hereinafter referred to as Vacuum box). Its clauses include conditions of use; products.

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Document preview — GB/T 29251-2012

National Standard of the People's Republic of China

ICS: 19.040
Classification: N 61

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 Normative references
3 Conditions of Use
4 Products

1 Scope

This standard specifies the use of a vacuum oven conditions, requirements, test methods, inspection rules and signs, packaging, transportation and storage.

This standard applies to items under vacuum heating and drying, baking and vacuum oven dry heat sterilization (hereinafter referred to as

Vacuum box).

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 191-2008 Packaging - Pictorial signs

GB/T 2829-2002 periodic inspection Sampling procedures and tables (suitable for process stability test)

3 Conditions of Use

3.1 Environmental conditions

Vacuum box should be in the following environmental conditions.

a) indoor use;

b) a temperature of 5 °C ~ 35 °C;

c) when the ambient temperature is below 31 °C maximum relative humidity of 80% and an ambient temperature of 35 °C, the maximum relative humidity linear drop

To 67%;

d) atmospheric pressure. 80kPa ~ 106kPa;

e) no direct sunlight or other heat sources direct radiation;

f) Pollution degree 2, around explosive gas, high concentrations of dust or corrosive substances exist;

g) vibration and air flow around without a strong presence.

3.2 Supply conditions

Vacuum box power supply should meet the following conditions.

a) rated voltage 220V or 380V, to allow deviation from the nominal value range. -15% to 10%;

b) rated frequency 50Hz, allow excursions range. ± 2%.

3.3 load conditions

Vacuum box load shall meet the following conditions.

a) placing the mass loading per cubic meter of chamber volume should not exceed 80kg;

b) the total volume of the load should not exceed 1/5 of the volume of the studio.

4 Products

4.1

vacuum box according to studio geometry into square and round.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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