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GB 30439.5-2013: Safety requirements for industrial automation products -- Part 5: Safety requirements for flowmeter
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Safety requirements for industrial automation products -- Part 5: Safety requirements for flowmeter
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Basic data
| Standard ID | GB 30439.5-2013 (GB30439.5-2013) |
| Description (Translated English) | Safety requirements for industrial automation products -- Part 5: Safety requirements for flowmeter |
| Sector / Industry | National Standard |
| Classification of Chinese Standard | N10 |
| Classification of International Standard | 19.080; 25.040.01 |
| Word Count Estimation | 59,551 |
| Quoted Standard | GB/T 1633-2000; GB/T 4207-2003; GB 4208-2008; GB 4793.1-2007; GB 5013.1; GB 5013.2; GB 5013.3; GB 5013.4; GB 5013.5; GB 5013.6; GB 5013.7; GB 5013.8; GB 5023.1; GB 5023.2; GB 5023.5; GB 5023.3; GB 5023.4; GB 5023.6; GB 5023.7; GB/T 5169.16-2008; GB/T 1102 |
| Regulation (derived from) | National Standards Bulletin 2013 No. 27 |
| Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China |
| Summary | This standard specifies the use of industrial processes flowmeter shock and electrical burns, mechanical hazards, excessive heat, flame spread outward from the flowmeter, safety requirements affecting fluid and fluid pressure, explosive burst of wind. Thi |
GB 30439.5-2013: Safety requirements for industrial automation products -- Part 5: Safety requirements for flowmeter
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Safety requirements for industrial automation products.Part 5. Safety requirements for flowmeter
ICS 19.080; 25.040.01
N10
National Standards of People's Republic of China
Safety requirements for industrial automation products
Part 5. Safety requirements Flowmeter
Part 5. Safetyrequirementsforflowmeter
Issued on. 2013-12-31
2015-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Test 6
5 Marking and documentation 10
6 anti-shock 14
7 against mechanical hazard 31
8 resistant to mechanical shock and impact 32
9 to prevent the spread of flame 33
Temperature limit and thermal equipment 10 34
11 Anti-dangerous fluid 37
12 radiation (including laser source), acoustic and ultrasonic pressure 38
13 pairs of explosion and implosion protection 38
38 14 Component
Appendix A (normative) touch current measurement circuit (see 6.3) 41
Appendix B (normative) Standard test finger (see 6.2) 44
Annex C (normative) clearances and creepage distances measuring 46
Annex D (normative) during specified parts insulation requirements (see 6.4 and 6.5.2) 50
Reduce Appendix E (normative) Pollution degree 53
Annex F (normative) Routine tests 54
FIG. 1 under a single fault condition voltage transient can reach the maximum duration of short-term [see 6.3.2a)] 17
Figure 2 charging normal conditions and single fault condition capacity limit [see 6.3.1c) and 6.3.2c)] 18
3 Use the ball impact test Figure 33
4 ball pressure test apparatus 36
5 Compliance option 14.1a), b), c) and d) of the flow chart 39
Figure A.1 frequency is less than or equal to 1MHz AC and DC measurement circuit 41
Figure A.2 frequency is less than or equal to 100Hz sinusoidal AC and DC measurement circuit 42
Figure A.3 electrical burns current measurement circuit 42
Figure A.4 moist touch current measurement circuit 43
Figure B.1 rigid test finger (GB/T 16842-2008 trial with 11) 44
Figure B.2 articulated test finger (GB/T 16842-2008 trial with B) 45
Figure C.1 clearances and creepage distance measurement method of example 46
Figure D.1a) ~ d) hazardous live circuits under normal conditions do not exceed the limits 6.3.2 ACCESSIBLE parts and having an external terminal
Protection circuit between 50
Among the other circuit of Figure D.1e) ~ h) hazardous live circuits under normal conditions 6.3.2 does not exceed the limit and having an external terminal
51 protection
Figure D.2a) and b) are not accessible to other parts connected to accessible parts hazardous live internal circuit protection 51
ACCESSIBLE terminals The following figure D.2c) and d) normal conditions does not exceed the limit of the secondary circuit 6.3.2 on primary hazardous live circuit
51 protection
D.3 two external hazardous live circuit diagram can reach the terminal protection 52
Table 1 Symbol 10
Table 2 assembly screws tightening torque 20
Table 3 clearances 5000m above sea level within the multiplication factor 23
Table 4 MAINS circuit clearances and creepage distances 24
Table 5 by the clearances grid power supply circuit 24
Table 6 clearances 6.7.3.2 calculated according to the value of 25
Table 7 creepage distance 26
Table 8 basic insulation test voltage 28
Table 9 physical testing power line 30
Surface temperature limits under normal conditions 34 Table 10
Table 11 winding insulation material 35
Table 12 impulse withstand voltage 40
Table 46 Table C.1 Pollution Level
Table E.1 through the use of additional protection allows to reduce environmental pollution level inside 53
Foreword
All technical content of this part of GB 30439-2013 is mandatory.
GB 30439 "Industrial Automation product safety requirements" is divided into 18 sections as follows.
--- Part 1. General;
--- Part 2. pressure/differential pressure transmitter safety requirements;
--- Part 3. Temperature Transmitter safety requirements;
--- Part 4. Safety requirements for the control valve;
--- Part 5. flowmeter safety requirements;
--- Part 6. solenoid valve safety requirements;
--- Part 7. loop controller safety requirements;
--- Part 8. Safety requirements for electric actuators;
--- Part 9. Digital display instrument safety requirements;
--- Part 10. recording instrument safety requirements;
--- Part 11. Programmable Controller safety requirements;
--- Part 12. Echo Ranging (TOF) Level Meter safety requirements;
--- Part 13. magnetostrictive level gauge safety requirements;
--- Part 14. Power meter safety requirements;
--- Part 15. industrial process measurement and control signal distribution, isolation, conversion, alarm processing unit safety requirements;
--- Part 16. Safety requirements for differential pressure flow meter;
--- Part 17. Safety requirements for the ultrasonic flowmeter;
--- Part 18. Safety requirements for pressure gauge auxiliary device.
This is Part 5 GB 30439's.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part is proposed by China Machinery Industry Federation.
This part of the National Industrial Process Measurement and Control Standardization Technical Committee (SAC/TC124), the national measurement, control and laboratory electric
Device Security Standardization Technical Committee (SAC/TC338) centralized.
This section is drafted. Chongqing Sichuan Instrument Automation Co., Southwest University of Instrumentation Technology & Economy Research
The Ningxia Yinxing Energy shares Wuzhong Instrument Company, Beijing Far East Instrument Co., Ltd., Siemens (China) Co., Ltd., Shanghai Weier Tai Industrial
Automation Co., Ltd., Central-day instrument Co., Ltd., Shanghai Automation Instrumentation Co., Ltd., Fujian on the Run Precision Instrument Co.,
The company, Shanghai Automation Instrumentation Institute.
The main drafters of this section. Wang Gang, Zhou Xuelian, Liu Xiaojing, Wang Yong, Zhao Lixing, Shi Hailin, Gu Jianhua, Lu Xiaomeng, Cai Bing consultation, Wang Zhi Lin,
Zhou Peixia, Tianquan Lin, Ge Jian, Li Jiajia, Mei Ke, Wang Jianhua, Cheng Yuk, Wang Yumin, Huang Yi Pu.
Safety requirements for industrial automation products
Part 5. Safety requirements Flowmeter
1 Scope
GB 30439 of the provisions of this part of the electric shock and industrial processes using flowmeter burns, mechanical hazards, excessive heat, flames from the stream
Spread out within a meter, safety requirements affect fluid and fluid pressure, explosion and implosion.
This section does not include security-related equipment and reliable function, performance or other characteristics, the effectiveness of transport packaging, electromagnetic compatibility
(EMC) requirements for an explosive environment protection measures, maintenance (repair), protective maintenance (repair) personnel.
This section applies to flowmeters have electrical outputs. This section does not apply to countries to withstand radioactive specific working conditions
Flowmeter. This section does not apply to differential pressure flowmeter and ultrasonic flowmeter.
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.
Determination of GB/T 1633-2000 thermoplastics Vicat softening temperature (VST) of
GB/T 4207-2003 solid insulating materials under moist conditions index tracking of the measuring method and the proof tracking index compared
GB 4208-2008 shell protection (IP code)
GB 4793.1-2007 measurement, control and laboratory safety requirements for electrical equipment - Part 1. General requirements
GB 5013 (all parts) rated voltage 450V/750V and below rubber insulated cables
GB 5023 (all parts) rated voltage 450V/750V and below PVC insulated cables
GB/T 5169.16-2008 Fire hazard testing for electric and electronic products - Part 16. Test flames - 50W horizontal and vertical flame
experiment method
GB/T 11021-2007 heat resistance, electrical insulation rating
GB/T 12113-2003 touch current and protective conductor current measurement methods
GB/T 16842-2008 housing for people and equipment protection test with a test
GB/T 16927 (all parts) high-voltage test techniques
IEC 60027 electrical technology text symbols (Lettersymbolstobeusedinelectricaltechnology)
IEC 60270 partial discharge measurements (Partialdischargemeasurements)
3 Terms and Definitions
GB 4793.1-2007 defined in the following terms and definitions apply to this document. For ease of use, the following listed repeatedly
GB 4793.1-2007 certain terms and definitions.
Category 3.1 equipment and devices
3.1.1
Stationary equipment fixedflowmeter
Fixed to the support member or an additional fixture at a specific location.
[GB 4793.1-2007, the definition 3.1.1]
3.1.2
PERMANENTLY CONNECTED EQUIPMENT permanentlyconnectedflowmeter
Only method of permanent connection with the tool to disconnect the power supply and electrical connection devices.
[GB 4793.1-2007, the definition 3.2.2]
3.1.3
Tools tool
, Including keys and coins, including an external device to help people to perform some kind of mechanical function and use.
[GB 4793.1-2007, the definition 3.1.5]
3.2 Parts and Accessories
3.2.1
Terminal terminal
For the apparatus (device) connected to an outer conductor provided in one kind of element.
It may contain one or more terminal contacts, so that the term also includes sockets, connectors and the like.
[GB 4793.1-2007, the definition 3.2.1]
3.2.2
Functional ground terminal functionalearthterminal
To a point directly measuring or control circuit, or directly with a shield portion is electrically connected, but also reservations
To be used for any function other than safety purposes purpose a ground terminal.
[GB 4793.1-2007, the definition 3.2.2]
3.2.3
Protective Conductor Terminal protectiveconductortriennial
For security purposes with the conductive parts of equipment are connected, but also with a predetermined external terminal connected to protective earthing system.
[GB 4793.1-2007, the definition 3.2.3]
3.2.4
Housing enclosure
Protect the unit against certain external influences and prevent parts from any direct contact with the direction provided.
[GB 4793.1-2007, the definition 3.2.4]
3.2.5
Baffle barrier
Prevent parts from any direction normal close direct contact provided.
Note. The housing and bezel provides flame spread protection [see 9.2.1b)].
[GB 4793.1-2007, the definition 3.2.5]
3.3 Electrical values
3.3.1
Rated (value) rated (value)
Usually by the manufacturer for the components, apparatus, or device reaches a given magnitude of working status.
[GB 4793.1-2007, the definition 3.3.1]
Rating rating
A set of ratings and working conditions.
[GB 4793.1-2007, the definition 3.3.2]
3.3.2
Operating voltage workingvoltage
When the device is supplied at rated voltage, maximum voltage AC or DC voltage values on any particular insulation can occur.
Note 1. The instantaneous value is not considered.
Note 2. The open circuit conditions and normal operating conditions are to be considered.
[GB 4793.1-2007, the definition 3.3.3]
3.4 Test
3.4.1
Type test typetest
For a particular design, in order to prove that the design and structure is able to meet one or more requirements of this part and of one or more devices
Taiwan sample (or device components) tests carried out.
[GB 4793.1-2007, the definition 3.4.1]
3.4.2
Routine tests routinetest
After fabrication or manufacture to determine the means (equipment) meets a criterion and for each separate device (device) test
(See Appendix F).
[GB 4793.1-2007, the definition 3.4.2]
3.5 Security Terminology
3.5.1
(Parts) palpable accessible (ofapart)
With the standard test finger or test pin accessible.
[GB 4793.1-2007, the definition 3.5.1]
3.5.2
Dangerous hazard
Potential source of harm.
[GB 4793.1-2007, the definition 3.5.2]
3.5.3
Hazardous live hazardouslive
Electric shock or electrical burn make it under normal condition or single fault condition.
Note. The value of the normal conditions apply, see 6.3.1, for higher under a single fault condition is applicable values see section 6.3.2.
[GB 4793.1-2007, the definition 3.5.3]
3.5.4
Protective impedance protectiveimpedance
A combination of components, component or components of the basic insulation and current limiting or pressure-limiting device when it is connected to ACCESSIBLE conductive parts and dangerous
Between live parts when the risk degree of protection impedance, structure and reliability under normal and single fault conditions provided in this section reached
Claim.
[GB 4793.1-2007, the definition 3.5.7]
3.5.5
Protection connection protectivebonding
To make electrical ACCESSIBLE conductive parts or protect the screen and for the external protection conductor is connected with electrical continuity and having carried
connection.
[GB 4793.1-2007, the definition 3.5.8]
3.5.6
Normal use normaluse
Operation according to instructions or intended use by the apparent instructions, including standby.
NOTE. In most cases, the normal use also refers to normal conditions, because the use of manual warns users not to use the device under abnormal conditions.
[GB 4793.1-2007, the definition 3.5.9]
3.5.7
Normal conditions normalcondition
All protective measures to prevent dangerous conditions are intact.
[GB 4793.1-2007, the definition 3.5.10]
3.5.8
Single fault condition singlefaultcondition
Protective measures to prevent the risk of a failure condition occurs or is likely to cause some dangerous and a fault condition.
Note. If a single fault condition will inevitably lead to another single fault conditions, such a two failures are considered a single fault
condition.
[GB 4793.1-2007, the definition 3.5.11]
3.5.9
Operator operator
According to the intended use of the device to operate the equipment man.
Note. the operator for this purpose should be properly trained.
[GB 4793.1-2007, the definition 3.5.12]
3.5.10
Responsible responsiblebody
Responsible for the maintenance and use of equipment or operating personnel to ensure adequate training for individuals or organizations.
[GB 4793.1-2007, the definition 3.5.13]
3.5.11
Wet locations wetlocation
Possible presence of water or other conductive liquid, and because of damp and wet human contact with the device and the environment or human contact
Which may make the body impedance reducing place.
[GB 4793.1-2007, the definition 3.5.14]
3.6 Insulation
3.6.1
Basic insulation basicinsulation
Whose failure can cause a shock hazard insulation.
Note. The basic function of insulation can be used for insulation purposes.
[GB 4793.1-2007, the definition 3.6.1]
3.6.2
Additional insulation supplementaryinsulation
Independent insulation applied in addition to basic insulation, in order to ensure that when once the basic insulation failure can still prevent electric shock.
[GB 4793.1-2007, the definition 3.6.2]
3.6.3
Double insulation doubleinsulation
Constituted by the basic insulation and supplementary insulation.
[GB 4793.1-2007, the definition 3.6.3]
3.6.4
Reinforced insulation reinforcedinsulation
Its ability to provide protection against electric shock is not less than double insulation insulation, it can not as a separate image into several layers of additional insulation or basic insulation
Insulation test line configuration.
[GB 4793.1-2007, the definition 3.6.4]
3.6.5
Pollution polution
It will lead dielectric strength or surface resistivity reduced solid, liquid or gaseous (ionized gas) additional foreign substances.
[GB 4793.1-2007, the definition 3.6.5]
3.6.6
Pollution degree (in the micro-environment) polutiondegree (inthemicro-environment)
To determine the clearances and creepage distances, the pollution degree microenvironment as the following three grades.
Note 1. The build-up of foreign matter and moisture can cause conductive insulator contamination.
Note 2. The minimum clearances for pollution degree Pollution Degree 2 and 3 are given based on experience rather than raw data.
[GB 4793.1-2007, the definition 3.6.6]
3.6.6.1
Pollution Level 1 polutiondegree1
Pollution can only dry non-conductive pollution, the pollution has no adverse effect.
[GB 4793.1-2007, the definition 3.6.6.1]
3.6.6.2
Pollution Level 2 polutiondegree2
Normally only non-conductive pollution, but occasionally due to condensation and short conductive.
[GB 4793.1-2007, the definition 3.6.6.2]
3.6.6.3
Pollution Level 3 polutiondegree3
Conductive pollution or dry non-conductive pollution which becomes conductive due to condensation.
Note. In this condition, the device is usually to prevent exposure to direct sunlight, rain, strong wind pressure, but it need not control the temperature or humidity.
[GB 4793.1-2007, the definition 3.6.6.3]
3.6.7
Clearance clearance
Space the shortest distance between two conductive parts.
[GB 4793.1-2007, the definition 3.6.7]
3.6.8
Creepage distance creepagedistance
Along the shortest distance between two conductive insulating solid surface material parts. [IEV151-15-50]
[GB 4793.1-2007, the definition 3.6.8]
3.7 and associated product definition
3.7.1
Flowmeter flowmeter
Flow measuring instruments. Usually it consists of primary and secondary device component unit.
3.7.2
A means primarydevice
Means for generating traffic signal. According to the principle employed, a device may be inside or outside the pipe.
3.7.3
Secondary means secondarydevice
Receiving a signal from a device and display, record, convert and (or) means transmitting the signal to obtain flow values.
3.7.4
Power supply mains
The use of the meter is designed to require that they are connected to the meter to provide electricity for the purpose of low voltage power supply system.
3.7.5
Power supply circuit mainscircuit
Intended to be connected with the power supply for providing power meter circuit.
4 Test
4.1 Overview
In this section all tests are type tests on the sample meter or components carried out. The only purpose of these tests is to
Verify that the design and construction to ensure compliance with this requirement. In addition, the manufacturer shall produced at the same time dangerous live parts
And accessible conductive parts of the flow meter 100% of routine tests in Appendix F of.
Satisfy the provisions of this part of the relevant standards and requirements for use according to these sub-assemblies flowmeter flowmeter types throughout the test
You do not have to repeat the test during the test.
It should be checked by all applicable test meets the requirements of this section, but if the examination of the meter can really prove certainly pass
Had a trial, then this test may be omitted. Test under the following conditions.
--- Reference test conditions (see 4.3);
--- Fault conditions (see 4.4).
NOTE. If performing compliance test, or a measured value of the applied (such as voltage) of the actual value due to errors and uncertainty, then.
--- Manufacturer to ensure that the value of the test is applied to at least a predetermined value;
--- Test departments should ensure that the test applied is not greater than the value specified.
4.2 Test procedure
Except as otherwise provided by this section, the test sequence may be optionally substituted. After each trial to test the meter should be carefully checked. Such as
If test results are suspect, suspect that if the test sequence reversed, any of the foregoing whether true test pass, then test in front of them
Test should be repeated. If the test can damage the meter under fault conditions, these tests can be placed under the test conditions of the reference test
after that.
4.3 reference test conditions
4.3.1 Environmental Conditions
Except as otherwise provided by this section, test sites should have the following conditions.
a) Temperature. 15 ℃ ~ 35 ℃;
b) Relative humidity. not exceed 75%;
c) Atmospheric pressure. 86kPa ~ 106kPa;
d) no frost, condensation, water seepage, rain and sunshine.
4.3.2 Flowmeter status
Unless otherwise provided, each test should be assembled at the meter for normal use, and the provisions in 4.3.2.1 ~ 4.3.2.9
Carried out under the most unfavorable combination of conditions.
If the volume or mass flow meters reasons can not be certain the entire test, the test allows for sub-assemblies, as long as after inspection
Certify that the assembled flowmeters to meet the requirements of this section.
It should be specified by the manufacturer's instructions for installation.
4.3.2.1 meter position
The meter is in any position of normal use, and any ventilation unobstructed.
4.3.2.2 Accessories
It recommended by the manufacturer or provided with the meter annex or operator use with interchangeable parts should be connected or not
connection.
4.3.2.3 lid and removable parts
Without tools or removal of the lid parts should be removed or not removed.
4.3.2.4 Power supply
Shall comply with the following requirements.
Between a) 90% ~ 110% supply voltage meter can be set in any of the rated supply voltage, or if the meter
To adapt to the provisions of the greater voltage fluctuations, the supply voltage should be any voltage fluctuations within the range of reach;
b) frequency should any nominal frequency;
c) AC, DC meter should be connected to an AC or DC power;
d) the use of DC or single-phase power meter shall be separately normal polarity and an opposite polarity;
e) In addition to the provisions of the flowmeter is used only for non-grounded power grid, the reference test of a power pole should be at ground potential or connected
Near ground potential;
f) of the battery-powered meter, if connected devices allow reverse, it should respectively normal polarity and opposite polarity.
4.3.2.5 Input and output voltage
Input and output voltages, including floating voltages, but does not include the power supply voltage into account, it should be adjusted to any of the rated voltage range
He voltage.
4.3.2.6 ground terminal
For protective earthing terminal, if any, it should be connected to the ground. Functional ground terminal should be grounded or ungrounded.
4.3.2.7 control member
Operator without the use of tools, controls can be adjusted manually set at any position, except in the following circumstances.
a) Power supply selection means should be set to the correct value position;
b) If the standard signs prohibited combination is provided on the meter manufacturer shall not be combined set.
4.3.2.8 connection
Flowmeter according to their intended use shall be connected or not.
4.3.2.9 Output
For providing an electrical output of the flowmeter.
a) working conditions flowmeter should be able to provide the rated output power of the rated load;
b) to any output, rated load impedance should be connected or not.
4.4 Test under single fault conditions
4.4.1 Overview
It should be according to the following requirements.
Fault a) Check the meter and the circuit diagram can usually determine whether there may be dangerous and therefore whether it should be applied
condition;
b) In addition to proof of a specific fault conditions likely to cause danger, the test shall be made by the fault, or select Check
Verify compliance provisions of an alternative method to replace the failure test;
c) the reference flowmeter shall work under test conditions (see 4.3) the most unfavorable combination of conditions, for different faults, which combined strip
Member can vary, these combined conditions should be recorded during each test.
4.4.2 Fault conditions imposed
Fault conditions 4.4.2.1 ~ 4.4.2.6 should include provisions for fault conditions. These fault conditions can only be applied to one and should press
Sequentially applied in any convenient order, can not be applied more than one fault at the same time, the results unless it is applied to a fault caused by a fault.
After each applied once the fault condition, the flow meter or parts shall pass the applicable test 4.4.4.
4.4.2.1 Impedance protection
a) If the impedance protection is a combination of components to form, it should be shorted or open each component, choose one of the more not
Lee's.
b) If the impedance protection by basic insulation and current limiting or pressure-limiting devices to form, the basic insulation and current limiting pressure limiting device, or both
Caught should afford a single fault condition, once applied to a fault condition. Basic insulation should be short-circuited, while limiting
Or pressure-limiting...
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