GB 4824-2004 Limits and measurement methods of electromagnetic disturbance characteristics of industrial, scientific and medical (ISM) radio frequency equipment
Some standard content:
IC5 33. 100
National Standard of the People's Republic of China
GB 4824-2004/CISPR 11.2003
G482420
Industrial, scientific and medical (IS) radio-frequcncy eguipment-Electromignetic distarbance characteristicsLimits and methods of measurement measurement(CISFPR2003,IDT
2004-05-13 release
People's Republic of China State Quality Supervision, Inspection and Quarantine Administration China National Standardization Administration
2005-02-01 implementation
follow the use of the standard
currently quoted support
definition...
the use of various medical resources
1 medical secretion of various grouping and classification
national book limit
edit sub-technical limit letter
electric library rental transmission limit package
to the protection of the whole business
protection of high-level this war month industry multi-shot creation requirements
measurement equipment
yanshi to certificate:| |tt||Test conditions of the equipment under test
5. Negative conditions of the equipment under test
7 Special provisions for test frequency measurement (9kHz--15H2)7.1
Measurement of positive and negative test voltage of the heart rate device..
Range (9kHz--1Gz)
1 chip input test time will be M--1Hz
8 Frequency~H
Receiving day
Confirmation of the test site
Measurement range
Individual test vehicle
Safety and protection
Consultation and certification of equipment under test
Discount on equipment under production and sales evaluation and tracking method modification11.3 Production in small batches
11. Equipment produced individually
Grounding diagram
t:B 4824--2034/CISPK11.2U03
CB 4824--2004/CLSPR 11:2003
3 Discarded medical equipment and controlled loads Figure 4 Power supply interference voltage measurement circuit (see 6.2.3), Figure 5 2 groups of 3 types of industrial and medical equipment with operating frequencies above 4GMH 1Hx~1HGH emission measurement but decision flow chart
Figure 6 Model RC unit see 6.2.5
Recorded (informative appendix) Example of equipment grouping Appendix (informative appendix) Use of the topic increase analysis only precautions when there is a signal when the line is transmitting the signal Appendix D (informative appendix) SCMHz~-90UMHz period 1. Industry attached ten anti-transmission suggestions, Appendix E [informative appendix] Related safety business frequency band Appendix F (informative appendix)
References
Business service frequency receiving||t t||Table 1T Basic test frequency for medical equipment
Table 2a When measuring in the test frequency field, the vertical interference voltage limit values of the power supply terminal of Class A equipment Table 26 When measuring in the test field, the power supply voltage limit values of Class B equipment Table 2 Inductive software power supply voltage limit values of Group 31 Equipment electromagnetic radiation isolation limit values: I3 Days around the test equipment 2m loop wireless field current evaluation Table 31 Magnetic strength limit values
When testing in the test field, Group 2 electromagnetic radiation intensity values of effective equipment Table 1
Table 512 Class A equipment good magnetic radiation interference limit values Table 6 When measuring in the test field, Class A EDM equipment and sub-welding equipment Self-inductive radiation intensity value of Class H engineering related equipment Table T Operating frequency is above 400MHz: Produce continuous conduction.
Table 7T Operating frequency is above 400 Table 2: Peak limits for electromagnetic interference generated by group 2 industrial and scientific equipment above 4UVMHz - 4UVMHz and above: Group 2 Class B 1. Scientific and medical equipment Table 9: Relationship between non-central distribution coefficient and sample disk\ in special protection of special safety business in this city 10
All technical contents of this standard are mandatory
GB 4824-2004/CTSPR 11:2003
This standard is equivalent to the international standard SPR: 20M3 Industrial, scientific and medical (ISM) frequency equipment electromagnetic interference limit and special quality assurance version).
This standard replaces H42001.T, "Method for measurement of electromagnetic impedance characteristics of radio frequency equipment" (Industry, Science and Technology Standards, 1SM) This standard has the following changes compared with GB4924-3001: a) "Discharge processing (RM) equipment", "welding equipment" and related terms and conditions have been added; b) The requirements for industrial and medical equipment manufacturers and suppliers to label the products or indicate the equipment category and type in the technical documents; For equipment in industrial environments, users must be aware that when using the equipment in non-industrial environments, it may be difficult to achieve good magnetic compatibility: (with Variant 4 5.1.3.1) "Table 1, when measuring in the test field, the electromagnetic interference limit values for Class 2 B equipment and devices of Group B are added, and an average value limit is added, and a note is given indicating that the average value is only applicable to the equipment monitoring of magnetrons. When the frequency exceeds the accuracy limit value, a vertical average detector is used for annual measurement. Table 1, when measuring in the test field, the electromagnetic interference limit values for Class 4 EM equipment and devices of Group B are added." The structure of "\model" and the attachment (see 3.2.5 and Figure 6) are added, as well as the method of connecting the dead grounded cloud equipment to the test panel during normal operation (see 7.1.1).
Added the provisions for the test equipment when measuring the industrial health electrical building. This special instrument does not need to be connected to the estimated load when measuring the height (see ed,)
g) Liu Ya baking equipment, now it is stipulated that [in the reward domain, a simulated final optical load is used, and the electrical 1EC69974-10 single Shenzhen now stipulates (%6.5.) Added the use of the test object for radiation measurement at 33MHz-1GH (state 7.) In the two sets of equipment required for the attached requirements, the "modified average industrial (EDM modified" "digital and training demonstration model" "high-frequency Slacker transformation demonstration model, point-to-point self-generated machine" and 1SR2003 material for CSPR: 200:1 heart rate 43.920Mz and 915.00GM z, because: I will not assign it to the medical equipment in this cup. This frequency is not set in the past 1 of this standard. Appendix C of this standard is the specification appendix A. Appendix B, Appendix E and Appendix F are the technical appendixes. This standard is the national standard for the standardization of the technical personnel required by the public. Drafting unit: Shanghai Institute of Electrical and Electronic Equipment, Wuhan Institute of High Voltage, the Fifth Institute of the Ministry of Information Industry, the upstream wireless academic committee, Shanghai Ximen Medical Equipment Co., Ltd., Shanghai Medical Equipment Co., Ltd. The person in charge of the inspection is: the distance between the building and the product card, the new self-phase, the engineering Weiming, the certificate, the speed, the support yuan, the emotional Weiming, and this standard was issued in 198 First published in 1944, first revised in 198e. Second revised in 2001, revised as resolution 1.1 General Provisions 1.1 Scope CB4824-2004/CTSPR-1:2003 Industrial, Scientific and Medical (ISM) Radio Frequency Equipment Electromagnetic Disturbance Characteristics Limits and Measurement Methods This standard defines the limits and measurement methods for electromagnetic disturbance characteristics of industrial, scientific and medical (ISM) radio frequency equipment (hereinafter referred to as industrial, scientific and medical (ISM) radio frequency equipment) and radio frequency equipment. Note: The application in the standard is based on the original requirements. To be effective, the standard specifies the 9-4F frequency range. The time limit and measurement and recognition of the standard are in the .1 medical frequency 2.5GH and 5.3GH engineering SM equipment. Its type of service indicates the changes in the requirements of 17?13, 1.9 normative reference documents
The following documents are the terms of the technical promotion, from the date of the product, all subsequent receipts (excluding the current period of the internal rate> or modification of the stock card! The car mark is piled up, however, the standard method is based on the agreement of the flash answer force research scale to make this document the new version, who does not note the date of the use of the document, the new version of the month is applicable to the terminology of the long you G/T35 transmission: GR/T32503.dtEC633501).;T10n2 Single-sweep head socket for household and similar purposes - type and dimensions (GE1)?192, i:llT63:353
GR/T6!13.21s8 Radio frequency and system environment measurement. Method cqCI111e2.935/5507 Microwave ovens - Measurement methods for frequencies above 1G (G1S607-1S9VISPR9 17743 Electrical equipment - type and soft limit values and test methods for this equipment Method (T-1774: 193.d: (sPk:s)
1C601999 household three-energy measurement method I74-C strong good English part: electric volume gain - requirements 6168: 19G frequency section .5 ~ ME ultra-low-power reduction physical therapy system flash performance test station C1SPRI3-1: 1 line T interference immunity measurement equipment 2 definitions
This standard adopts the definition of 165, and also adopts the following 2.
Industrial and medical equipment ISM eqolpment: ISM applianee for industrial science, medical or similar use and the use of radiation energy of the device to eat only the benefit of the device + control should be open ten electric beat. Information technology and other surrounding equipment and equipment 2.2
Electromagnetic radiation [E/4365151-t-1r?) can be displayed in the form of electromagnetic radiation to detect the energy of the space in the form of color: "" a time-sensitive image,
love reverse equipment Imaindarynf theequipment underlestCB4824-2004/C1SPR1L:2033
refers to the general description of the test equipment, any external false emergency direct destruction boundary, all connecting wires are included in this scope 2. 4
click sound clirk
detection of continuous vertical deviation, duration not more than 200ms and the next one is at least 209m weak. The two time intervals are closed, and the level of the upper and lower pulses may include the taste of the middle. At this time, the closing time is from the start of the first pulse to the end of the last pulse. 2.5
discharge machining (EM equipment leelro-discnrgemachiring (EIM: eqnipniem electric spark erosion process all the devices required also live machine tools, spark generators, control circuits, processing detectors and components, 2.6
electric spark erosion sparkemsin
the discharge between two electrodes (the second electrode and the lower electrode) is used to pack the material in the electric pressure liquid. The liquid is intermittently and randomly! The pressure space is controlled by the electric hall 2.7
arr welding equipment
Arc equipment
Apply arc and electric equipment with the characteristics suitable for spot welding and similar processes. 2.8
Arc welding areweldl
The heat of the welding comes mainly from electric fusion welding,
The frequencies used by medical equipment
Our country has assigned medical equipment as non-wave high-speed frequency considerations, see Table 1. Table 1 Fundamental frequency used in engineering and medical equipment
Center and rate:
2: 135
1225c2
Heat rate with graph bzxz.net
E. 74:~6. 795
13, 5E3 --13. 567
25.457~~27.28
6. 65 40. 7
2400-253
72.--5 975
25 00--14 253
5. 0u0~tl 5t3
122 CJG- 123 00(
211 uo--216 u1
Request for proposal
New limit
Unrestricted
Unrestricted
Supplementary limit type
Not sea medical type
Some restrictions
"Six restrictions" are used to assign the type technology and all other technical divisions within the source segment. The assignment quality rate of 11V countless output period training
Special card made
5E, 15F
SE,156
4 Grouping and classification of engineering medical equipment
C8 4824-2004/C1SPK11,2003
The manufacturer or supplier of the equipment shall indicate the group and category of the equipment in the equipment documents. In addition, the manufacturer or supplier shall also indicate the group and category in the equipment documents. Note: The classification of medical equipment is mainly in Appendix A, 4.7 points
1 Group of medical equipment (hereinafter referred to as Group 1 equipment) is to give full play to its white Group 1 Medical equipment that intentionally produces and/or uses radio frequency energy for the purpose of performing a function. Group 2 Medical equipment (hereinafter referred to as Group 2) includes discharge and welding equipment (Electromagnetic discharge equipment, as well as all equipment that produces and/or uses electromagnetic auxiliary radio frequency energy for the purpose of material treatment. The core components and extension components of Group 1 Medical equipment are not within the test requirements and limits of this standard. 4.2 Classification Class A equipment 2: Class A equipment is not suitable for household appliances or household appliances, but it is not suitable for household appliances. The use of Class A equipment is not suitable for household appliances. The use of Class A equipment is not suitable for household appliances. The use of Class A equipment is not suitable for household appliances. The use of Class A equipment is not suitable for household appliances. Class B equipment, household equipment cabinets directly connected to the home low-power supply of the equipment B should meet the B limit:
5 electromagnetic cancer resistance limit
A difference between the actual equipment and the actual equipment can be manufactured! Cost production test site or the current period of quantity, the actual equipment is small, the station is complex and the stability and consumption of the parts are fixed, the replacement of the medical reform can only be determined by the current test to show that it has the current standard of the current emergency radiation limit. Class B medical reform should be measured in the test site. The following equipment interference limit values are under consideration:
Screw arc welding equipment and arc welding devices:
Surgical equipment with frequency heating,
The limits in Table 2 to Table 1 are applicable to various electromagnetic fields not included in Table 1. In the transition test, a small limiter should be used. 5.1 The voltage limit of the screen interference voltage should be the same as the current limit value of the current detection rate value (see 6.3) or the average value (see .2) when the quasi-peak detection is used for the detection of the signal busbar. 5.1. 19 kI [z ~ 150 kIiz frequency band
GB 4824-2004/CISPK 11:2C3
In the ~uk pre-existing except for the inductive device, the power supply terminal discharge minimum limit value is in the special consideration. On-site measurement of the month? Class A 1 medical equipment is within the specified limit values: unless otherwise specified in this standard: 5.1.215kllz30M1lx section
5. 1. 2. 1 Connection fraud resistance
Equipment service year film lift frequency measurement disk use H151k161 specified: 53/50T person: power supply network is complete voltage probe <yuan rental Figure 4). 15CkI1z~39MII2 The electrical terminals in the section are specified in Table 2a and Table 26. The voltage value assigned to the 1F-medical power supply is smaller than the specified limit value in the on-site measurement of Class A engineering equipment. Unless there is a standard in Table 2 when the measurement is reached in the test field, the power supply terminal of the A equipment shall be used for the interference voltage value A:
Effective section:
Peak voltage
Jiang: The social consent is met. :
With the military Liu number
The capital incentive small
The plan is effective
Linear drop small
In the test field, please use the appropriate network 3A or 100A, and select the appropriate value of the return source in Table 2. The equipment is not suitable for small business environments. The user's documents should be stated. The user must pay attention to the equipment. The conduction or radiation interference of the equipment will be screened out. In the environment of the pool, it is necessary to ensure that the power can avoid non-penetration. When measuring in the test field, Table 26 is used.B-type equipment power terminal strong voltage limit 0. ..3. 5
Note: The requirements for the full-scale battery
of the battery are for the small or effective equipment: small
of the coal equipment test two questions learned the limit value of the case using Table 2: 5.1.2.2 Household or commercial induction equipment
For household or commercial equipment (2H effective equipment), the limit value is explained in the deep area of the table
n nn9~.n,n5n
3. 2-. I+
GI8.--.Ju
GB4824—2U04/LI5PK11,2C03
Table 2 Inductive head terminal voltage limit value you should follow the value,
Pang version car effect small
: 1 is set to be 1001.0V system certificate will be considered to raise the jade 5.1.2.3 interrupt interference
eliminate the sudden for the excitement of the people's heart
diagnosis of radiation radiation equipment stomach wind with the company to make the second type of work, the tool Ka Li household change the value to go or clothing Ning medicine continuous standard provincial limit B
5. 1. 333 MH above the standard
CMTI above the top section does not specify the auxiliary strong current value. 5.2 Electric aldehyde radiation interference limit value
Measurement equipment and stability method operation according to the first benefit, the first? The first inspection stipulates: When the receiver adopts the chemical standard detector, the test equipment must meet the limit values.
The limit value of the lower MH section refers to the inductance radiation quality, the value of 0IxIz refers to the magnetic field quantity of the driving impedance, the limit value above 1 (TT is the power of the other, 5.2. 19k[12~150kIlz section
\ The auxiliary radiation service value within the receiving section is not included. 5.2.2150[2~1CH: section
In addition to the frequency referenced in Table 1, the magnetic end radiation limit value within the 1CkTTz~I section is as follows: 1 Class A and Class B equipment are specified in Table 1. 2 Class B equipment is specified in Table 4, and the 2 group equipment provisions are shown in Table 5. A LDM equipment and equipment reporting rules for the development of a 2 group k inch sensitivity recovery, a total limit of 3 types of table, special protection of safety services and special terms and conditions for the purchase of new research 5 new table,
Under the inspection ratio, see 7.3.3 women's equipment can be measured in the field 1 m, 1 or 2 group B equipment can be measured before the contract, in the absence of disputes, 2 final equipment should be 31 yuan away from the monitoring 1 or 2 group B equipment (with 1 group A seat 10H high measurement, Table 3 1 group equipment electromagnetic interference limit value.
c. 15 -- 35
Guangzhan training ground
at the number point+
battle limit city m
winning ball practice
group A ticket equipment
thank you for your heart
in the examination limit
the car rushes the year's product of the Yang Shi)
: prepare to come to the service, enter the field, letter promise force GH48242004/CISPR11:2003|| tt||124B, the equipment with low quality is marked with Class A Class B and Class B certificate number. The following statement is in the installation manual: "Read: This equipment can be safely protected against direct radiation of at least 12 hours against an ineffective potential within the range of 30 MI[s~1GIZz. Table 31 Limits of the average series current of the test equipment within 2 days of use
0. 0G9 --c. C7c
2, 7n~ 0 148 5
F, 14 F- 3
Horizontal tooth quantity
88--53
Quasi-peak lower limit old/dP(A)
136--76
Decreases linearly with the logarithm of efficiency
53--22
Decreases with the logarithm of resistance
Decreases with the quality resistance
76·-40
Efficiency frequency decreases linearly
Note: The waste value in Table 3a is applicable to the inductive instrument with a bone line size of less than 1.im, and the method specified in 7.6.5 of the report (%/15113.%—1928 is selected in violation of the performance.
0.0020.070
0, 676-0, .48 5
5,148 5·-4, 0
field strength selection limit dE(A,
(quantity ratio 3m)
with the version rate efficiency small
with the lamp rate efficiency small
standard: the limit value for 3h is suitable for household high-efficiency appliances and diagonal size greater than 1.5m, and the 1.5m large wire is laid 3m high* as specified in CIS[R16-1:1695 5.5,2.1. The land part of the loop antenna is 1m higher than the surface, and the carbon emission value of 2 groups of Class B equipment is added when tested in the test site!
0. 0- ~ 3c
30--10, 872
XD, 572~X3, X4X
81. 84K-~134.786
134. 786 -- 126. -1
136.414.330
230--1000
Email strength c/) requires
average test position
field strength/dB(A/m) to measurement range quotient 19) column sample section
the addition rate decreases linearly from the logarithm
design: the single mean value is only applicable to the designer of the control version. When the media equipment exceeds the quasi-peak limit at these points, it should be checked at these points! The average change is re-adjusted and the lower average limit is adopted, S
C.15~G.4H
0, 49-. 705
1.75~.2,1!14
2.154 2. 65
9. 35- ·20
20--33
53.91--54.56
14. 5h~-h
60-80. 872
8>.572~.F1,K4
87~.x4, Tx5
134.785.~136.414
r2 4 4--.56
156·--_74
166.7I.$79
196,575--232
231-143
17G~-1 X:)
GB46242004/CSPR11,2003
Table 5n2 Group 4 The limit value of electromagnetic transmission interference of type I equipment is D/H(rV/). The measurement system is D
[refers to the increase in the test distance with the building under test
30(45):
30(45):
. In my country, the distance between the equipment under test and the external environment is D-10
. In the case of 52.n1-54.5eMH2, the network values are 309mV/m and 5cd1(;V/m) respectively. For the equipment under test measured on site, as long as the measurement distance is within the perimeter of the production jurisdiction, the measurement distance is from the external environment of the equipment under test, and the unit is meter = (30.z/2) m) or D=10. Whichever is smaller. When the calculated distance exceeds the boundary of the zone, II= or 30 m, whichever is greater T
GB 4824-2J04/CISPR 11:2003
When calculating the value of the interference:
The nearest sensor outside the test equipment is located in the same direction as the boundary of the zone: α-2.5 period frequency lower than =M1l)
4.5 according to the frequency you ten or higher 1MHz)
In order to protect the special aviation business within the city, the relevant national departments can try their best to meet the limit table completed at 3℃ 5h reverse test field measurement when Class A KI>M equipment and welding equipment electromagnetic radiation interference limit time aj,YHz
23: --1
Quasi-peak signal dsam
To the document: m
Warning: Optical equipment is used for! Industry environment competition. The user should be reminded in the document that the equipment shall be conducted and controlled by the instructor in the environment in which it is pursued. This is because the limit values of 5. 2.31Hx-1Hx band ISM equipment are designed in the same way as the limit values of Group S equipment. The limit values of Group S equipment are designed in the same way as the limit values of Group A equipment. 3 Equipment ASM equipment is designed for use in the following environments:
Its risk is in the test record,
Note: The world limit is determined by the temporary provisions of the design, not in the MH1H authorization, the value of the issue is: the result limit estimate, the source of the 5 wave of the high-frequency G[printed 1 rate 3MH purchase, H and the system is not tested.
, 1 work before 0M engineering science and technology equipment to answer,
Gz--[internal industry inductive mother radiation interference limit signal generation old table two science and technology standards should meet the table or table in the value (5 flow)
Automotive protection special safety industry in the special terms of the industry in 5.3 in 9 in Table 6 working short rate above 400MHz: produce continuous pressure resistance of 2 group B class engineering science and technology medical equipment electrical special shaking interference peak limit Australia section CHz
2. :-.b. Yb
! :! The protection of the door can not come to the value of the United States || tt ||: come 1 small ",
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