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GB 4793.7-2008 English PDF (GB4793.7-2008)

GB 4793.7-2008 English PDF (GB4793.7-2008)

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GB 4793.7-2008: Safety requirements for electrical equipment for measurement, control, and laboratory use -- Part 7: Particular requirements for laboratory centrifuges

GB 4793.7-2008
Safety requirements for electrical equipment for measurement, control, and laboratory use.Part 7. Particular requirements for laboratory centrifuges ICS 19.080
National Standards of People's Republic of China
GB 4793.7-2008/IEC 61010-2-020.2006
Replacing GB 4793.7-2001
Measurement, control and laboratory use electrical equipment
Safety requirements - Part 7. Laboratory centrifuges
Special requirements
(IEC 61010-2-020.2006, IDT)
Published 2008-08-30
2009-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China issued
Table of Contents
Preface Ⅰ
And a range of object 1
2 Normative References 1
2 3 Definitions
4 Test 3
5 Marking and documentation 3
6 5 against electric shock
5 against mechanical risk 7
8 mechanical shock resistance and impact 10
9 to prevent the spread of flame 10
The temperature limit device 10 and heat 10
11 fluid-risk 10
12 radiation (including laser light source), an acoustic and ultrasonic pressure 11 13 pairs of released gases, explosion and implosion protection 11
14 12 Components
Protection device chain 1215 using
Test 16 and measuring device 12
Appendix 13
Dynamic Test Method Microbial Annex AA (normative) seal ring 13
General guidelines Appendix BB (informative) of the special terms and basic principles 16 Reference 19
GB 4793.7-2008/IEC 61010-2-020.2006
All technical contents of this section is mandatory.
GB 4793 "measurement, control and laboratory safety requirements for electrical equipment" is currently divided into seven parts. --- Part 1. General requirements (IEC 61010-1);
--- Part 2. Particular electrical measurement and test requirements held and hand operated current sensors (IEC 61010-2-032); --- Part 3. laboratory mixing and stirring equipment Particular requirements (IEC 61010-2-051); --- Part 4. Particular requirements for laboratory use (IEC 61010-2-041) Autoclave treatment of medical material; --- Part 5. Safety electrical measurement and test requirements of the handheld probe assembly (IEC 61010-031); --- Part 6. Laboratory Particular requirements (IEC 61010-2-010) heating of materials; --- part 7. Particular requirements for laboratory centrifuges (IEC 61010-2-020). Note. The name of the section will change with changes in IEC standard names. This is Part 7 GB 4793's.
This section is equivalent to using 61010-2-020 IEC .2006 "measurement, laboratory control and the second section 2-020 Safety requirements for electrical equipment Points. Particular requirements for laboratory "with centrifuges (in English). Technical content, structure, and text expressions and IEC 61010-2-020. 2006 exactly the same. For ease of use, the present editorial changes made the following section. "." --- replaced by a decimal decimal comma ",";
--- omitted IEC 61010-2-020.2006 contents Foreword and "Appendix H (informative) defined Index"; --- For IEC 61010-2-020.2006 references other international standards have been adopted as identical or modified our standards, this Partially replaced with corresponding international standards of national standards or industry standards; the rest No equivalent or modify adopted as our standard Quasi-international standards, are directly referenced in this section. This section is GB 4793.7-2001 "measurement, control and laboratory centrifuge for special electrical safety laboratory equipment Seeking ". Revision (IEC 61010-2-020 1992, IDT) is.
This section must be combined GB 4793.1 "measurement, control and laboratory use Part 1 safety requirements for electrical equipment. General Requirements" Since use. Stated in this section "applicable" portion represents the corresponding strips GB 4793.1 apply to this section; this section states that "place" or "Edit" section, to show that this part of the article subject; in this section indicate the "increase" portion, in addition to meeting indicate corresponding GB 4793.1 To section, this section must meet the increased strip. In order to distinguish the bar GB 4793.1, this part of the increase in the number of bars 101 open Beginning, e.g. 3.1.101, this part of the increase in Appendix begin with AA, AA e.g. Appendices, Appendix BB. This part of GB 4793.7-2001 have more major changes. many of the provisions in the text has been modified, with a standard structure GB 4793.1-2007 were adjusted for a number of test methods to do a more detailed explanation. --- Test Method rotating assembly of moving parts;
--- protection method of scattering or ejection of parts parts;
--- Test Method for preventing dangerous part of the fluid and the freezing of the water-cooled laboratory centrifuge; --- dynamic seal microbiological testing methods.
Appendix AA in this section are normative, Appendix BB is an informative annex. This section was proposed by China Machinery Industry Federation.
This part of the jurisdiction of the National measurement, control and electrical equipment Safety Laboratory Standardization Technical Committee (SAC/TC338). The drafting of this section. of Instrumentation Comprehensive Economic Institute of Technology. The main drafters of this section. Liu Xiaojing, Zhang Guiling, Mei Ke, Zheng Xu, Wang Linkun, Pan Changqing, Ouyang Jinsong, when FANG Xiao, Wang Jianhua. This section replaces the following previously issued as follows.
--- GB 4793.7-2001.
GB 4793.7-2008/IEC 61010-2-020.2006
Measurement, control and laboratory safety requirements for electrical equipment Part 7. Particular requirements for laboratory centrifuges
1 Scope and Purpose
Except as follows, GB 4793.1 Chapter 1 apply.
1.1 Scope
This section GB 4793 applies to electric laboratory centrifuge.
NOTE. If the whole or part of the device both are within the scope of this section, and belongs to one or more other partial range GB 4793, then it needs to meet Requirements of other relevant standards in GB 4793.
1.1.2 within the scope of this section does not include
Add the following entry.
aa) IEC 60034 (rotary electric machine);
1.2 Purpose
Aspects of the contents within the scope of this 1.2.1
Add the following entry.
aa) in contact with the moving parts (see 7.2);
bb) mobile laboratory centrifuge at breakage (see 7.3.101);
cc) after breakage of rotor energetic chemical reaction [see]; dd) ring failure (see 13.101).
1.2.2 aspects of the content within the scope of this section does not include increase.
Add the following entry.
aa) separation of flammable or explosive material should be subject to additional precaution (see 5.4.101); bb) a chemical reaction and separation can occur when the resulting large amount of gas hazardous materials subject to additional precautions initiator (see 5.4.101).
1.4 Environmental conditions
1.4.1 normal environmental conditions
The c) the content modification as follows.
c) at a temperature of 2 ℃ ~ 40 ℃;
1.4.2 Extended environmental conditions
The c) the content modification as follows.
c) ambient temperature is below or higher than 2 ℃ 40 ℃;
2 Normative references
Terms of the following documents constitute provisions of this section by reference in this section 4793 of the GB . For dated references, GB 4793.7-2008/IEC 61010-2-020.2006
All subsequent amendments (excluding corrections) or revisions do not apply to this section, however, encouraged to reach an agreement under this section Whether the parties to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB 4793.1 measurement, control and laboratory use Part 1 safety requirements for electrical equipment. General requirements (GB 4793.1- 2007, IEC 61010-1.2001, IDT)
Except as follows, GB 4793.1 Chapter 2 apply.
ISO 3864 (all parts) color and graphical symbols Safety Safety symbol
3 Terms and Definitions
Except as follows, GB 4793.1 Chapter 3 are applicable.
Category 3.1 equipment and devices
Add the following three new definitions.
Laboratory centrifugation may be applied to the sample material by the instrument. 3.1.102
To simultaneously operate a laboratory centrifuge and the rotating assembly simultaneously identified. 3.1.103
Or a portion thereof rotating assembly or separation failure in the event of rotation. 3.2 Parts and Accessories
Add the following eight new definition.
Enclosed space in the laboratory centrifuge rotating components rotate therein. 3.2.102
The basic components of a laboratory centrifuge, which carries the raw material by centrifugal force and is rotated under control of the drive system. 3.2.103
Assembled rotor assembly for supporting one or more tubes.
Completely encloses the rotating assembly cover, and the cover comprises fastening means. 3.2.105
Inlet centrifugal chamber lid.
Turned specified by the manufacturer with a head attachment.
GB 4793.7-2008/IEC 61010-2-020.2006
NOTE. In the above, the accessory comprising a rotor carrying a sample of the centrifuge rotor for use with all, or parts used in the centrifuge rotor, comprising Adapter, tubes and bottles.
Centrifuge to provide a torque or rotational component to provide rotational support of all components. 3.2.108
A device or mechanisms, or may be attached between the basket with the closure head means designed to prevent leakage of material, e.g. centrifuged Process of microbiological material.
3.5 Safety Terms
Add the following two new definitions.
Laboratory centrifuges to ensure safety around the space required.
A worst artificial selection of representative test conditions for evaluating a centrifuge - rotor combinations inherent mechanical safety (see 7.6 and Appendix BB).
4 Test
Except as follows, GB 4793.1 Chapter 4 are applicable.
4.3.1 Environmental conditions
Add the following new Note.
Note. because of condensation (see 11.101), so it should take into account the predetermined maximum humidity in 1.4.1d) and 1.4.2d) after cooling operation of the centrifuge. 5 Marking and documentation
Except as follows, GB 4793.1 Chapter 5 are applicable.
5.1.2 logo
The b) the content modification as follows.
b) serial number or other methods to identify the production lot of equipment. increase.
Add a new article.
5.1.101 turned around and accessories
All replacement by an operator and the rotating head assembly, comprising a rotor attachment shall identify the manufacturer or supplier name or registrar Landmarks and identifiers.
If a component is too small or unsuitable for labeling, the required information shall be marked on the original packaging, at the same time stated in the document. Note 1. A container or package may be within the outer packaging.
Note 2. Each head shall identify the serial number, or other methods, in order to uniquely identify the product lot number. Note 3. The manufacturer shall specify the individual parts, such as a basket, for balancing or other reasons, should only be fitted or turned in a particular rotor in a particular position. should Denote the corresponding numbers or letters to identify each gondola and rotor position. Note 4. rotor accessory sets designed to be used, such as the weight, should have an identifying mark belong. GB 4793.7-2008/IEC 61010-2-020.2006
By visual inspection to verify eligibility.
5.4.2 Equipment ratings
Add the following entry.
aa) Laboratory centrifuges dedicated all turned around, turned around and accessories and their nominal rotational frequency of inventory; bb) any restrictions prohibiting manufacturer warning separated particular material; cc) and rotating assembly loading instructions load shedding instructions (if applicable) and the volume density limit. 5.4.3 Equipment Installation
In a) later, add the following five sub-items.
1) safety space required for the intended use of the floor area or table (see 7.3.101); Note. 7.3.101 specifies the maximum distance allowed in a laboratory centrifuge breakage event moved to 300mm, so the manufacturer's instructions shall require the use of Those around the centrifuge marked out of this range, or be made the following requirements in laboratory management program, when a laboratory centrifuge work within this range It was not, or any dangerous substances.
2) The total weight of the centrifuge;
3) Description of site preparation;
4) centrifuge leveling method;
5) fixedly mounting surface;
5.4.4 operating equipment
Add the following entry.
aa) to mount and balance.
bb) turned around and exchange programs.
cc) a predetermined stage in the separation process, the operator has the specific requirements in the field. dd) personnel necessary safety measures, for example, instructions comprising. --- not leaning on laboratory centrifuge;
--- stay in the safe space of time must not exceed the time necessary for operational reasons; --- a safe space not place any potentially hazardous materials;
--- open the lid during the process of safe methods of operation (see ee) Instructions and other biological protection ring housing parts, comprising a suitable sealing techniques. Specification should the operator Clear, seals and related parts constitute only part of the biological protective shell system (see domestic and foreign biological protection guide It), when the processing which harmful microorganisms can not rely only way as to protect workers and the environment. 5.4.5 maintenance equipment
Note the original paragraph 1 as note 1, add a new paragraph 2 and Note 2 below. If applicable, instructions for use should be noted.
aa) test apparatus and method for fixedly mounting surface of the mounting surface condition itself; bb) safety measures during the cleaning operator;
cc) test of the protective cover;
dd) rotating inspection and safety assembly;
ee) Check the continuity of the connection protected;
ff) the frequency of inspection and other biological protection ring housing parts and replacement methods. Note 2. The instructions should be clear that the operator, in accordance with the instructions for regular maintenance seals and other components for biological protective shell to ensure its long-term security Use is very important.
GB 4793.7-2008/IEC 61010-2-020.2006
Add the following three new pieces.
5.4.101 dangerous substances
When a laboratory centrifuge toxic material, or comprises a radioactive contamination of harmful microorganisms, use instructions should be clear Prevention Measures.
Note 1. This information is related to the safe operation and maintenance personnel of the. In the specification should be prohibited using the following materials in a laboratory centrifuge. a) flammable or explosive material;
b) generating a large number of materials lead to dangerous gases chemically react. NOTE 2. When the processing of the above materials, may be designed as a laboratory centrifuge for special security, but these do not belong to the scope of this centrifuge. By visual inspection to verify eligibility.
5.4.102 cleaning and disinfection
Documentation shall include.
a) If spills or hazardous substance into the device, the user has the responsibility to declare appropriate disinfection; b) recommended by the manufacturer regarding cleaning and disinfection of where and generic name recommended disinfection and cleaning material; c) the following statement.
"Before the manufacturer does not recommend cleaning and disinfection methods, users should check with the manufacturer to ensure that the method does not damage the set Prepared. "
By visual inspection to verify eligibility.
5.4.103 chemical effects and environmental effects
To ensure the safety of the continued use of laboratory centrifuges, documents should be pointed out that the factors which may cause damage, such as. a) chemical effect;
b) environmental impact, including natural ultraviolet radiation that may be encountered; c) corrosion and wear protective cover parts or other security components of structural materials. Note. it can be evaluated based on existing data, such as data provided by the material suppliers. Manufacturers can arrange for additional tests related to the use of laboratory centrifuges. By examining the documents and related data to verify eligibility.
6 against electric shock
GB 4793.1 Chapter 6 apply.
7 against mechanical hazard
Except as follows, GB 4793.1 Chapter 7 are applicable.
7.1 Overview
The original first paragraph of Note as Note 1, add a new Note 2.
Note 2. The results in breakage of the protective cover is damaged components should be considered as a single fault condition, such as a lid locking mechanism. 7.2 Moving parts
Add the following four new pieces.
7.2.101 cover Requirements
Cover should be kept locked rotor drive means is energized, so far (see Appendix assembly until the rotational peripheral speed of not more than 2m/s when BB).
GB 4793.7-2008/IEC 61010-2-020.2006
When the power fails, the cover shall not release the locking mechanism, use tools to loosen it. The cover should withstand a sufficient locking force 7.6.102 the required tests, and can accommodate debris damage resulting [7.6 as a), Provisions].
To assess which aspects of the following conditions apply to the centrifuge - rotor combinations related information to be recorded, the manufacturer or the detection means The conduct of the trial.
a) For the mechanical misuse;
b) a locking failure;
c) displacement;
d) etching;
e) aging the material;
f) material defect;
g) vibration;
h) cleaning and disinfection;
i) environmental impact;
j) applies to other design considerations.
By visual inspection, recording information retest, the test conducted by 7.6.102, and further testing is to consider the safety of the subject Verify eligibility. exception
Laboratory centrifuge for all of the following constraints, only shut down the motor can be used instead of the interlock mechanism of the apparatus (see Appendix BB).
a) with a laboratory centrifuge device holding the cover closed;
b) Unless the cover is closed, the prohibition means to shut down the motor driving the motor is energized; c) the rotation frequency of the rotating assembly does not exceed 3600r/min; Under d) full load, the rotational energy of the highest energy components at frequencies not exceeding the maximum rotation 1kJ; e) does not exceed the maximum centrifugal force of 2000g;
f) The maximum diameter of the rotating assembly does not exceed 250mm; g) switching the motor power supply is turned off irrespective of the position of the cover; h) After the cover is closed rotating assembly should be able to see, so that it can observe the rotation of the rotary assembly of the case; i) All components used should meet the rotation of the requirements of 7.2 GB 4793.1; j) when the peripheral speed of the rotating assembly than 2m/s allows access,...

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