JJF 1155-2006 English PDF

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JJF 1155-2006: Calibration Specification for Absorbing Clamp in the Range of 30MHz to 1.0GHz
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1155-2006	829	Add to Cart	6 days	Calibration Specification for Absorbing Clamp in the Range of 30MHz to 1.0GHz	Valid

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Basic data

Standard ID: JJF 1155-2006 (JJF1155-2006)
Description (Translated English): Calibration Specification for Absorbing Clamp in the Range of 30MHz to 1.0GHz
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A56
Classification of International Standard: 17.220
Word Count Estimation: 33,376
Date of Issue: 5/23/2006
Date of Implementation: 2006-08-23
Quoted Standard: GB/T 6113.1-1995; GB/T 6113.2-1998; GB/T 4365-2003; CISPR 16-4-2-2003; TIM WILLIAMS, GEOFF ORFORD THE UK��S NATIONAL MEASUREMENT LABRATORY ELECTROMAGETICS PUBLICATIONS ��CALIBRATION AND USE OF ARTIFICIAL MAINS NETWORKS AND ABSORBING CLAMPS��
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to new manufacture, purchase, use and repair after adjusting the frequency range (30 ~ 1000) MHz to meet the GB/T 6113. 1-1995 and GB/T 6113. 2-1998 standard requirements absorption power clamp (absorbing clamp) calibration.

JJF 1155-2006: Calibration Specification for Absorbing Clamp in the Range of 30MHz to 1.0GHz

---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.
Calibration Specification for Absorbing Clamp in the Range of 30MHz to 1.0GHz National Metrology Technical Specifications of the People's Republic of China 30MHz~1.0GHz absorption type Power clamp calibration specification Released on.2006-05-23 2006-08-23 implementation Issued by the General Administration of Quality Supervision, Inspection and Quarantine 30MHz~1.0GHz absorption type Power clamp calibration specification ClampintheRang eof30MHzto1.0GHz This specification was approved by the General Administration of Quality Supervision, Inspection and Quarantine on May 23,.2006 Effective on August 23,.2006. Focal point. National Radio Metrology Technical Committee Drafting unit. China Institute of Metrology This specification is interpreted by the National Radio Measurement Technical Committee The main drafters of this specification. Xie Ming (China Institute of Metrology) Wang Weilong (China Institute of Metrology) Wu Fan (Chinese Academy of Metrology) Participating drafters. Hong Li (China Institute of Metrology) Huang Pan (China Institute of Metrology) Guo Ruimin (China Institute of Metrology) Shen Qingfei (China Institute of Metrology)

table of Contents

1 scope (1) 2 References (1) 3 Terms and measurement units (1) 3.1 Absorbing forceps (1) 3.2 Absorption clamp insertion loss (1) 3.3 Absorption clamp correction factor (1) 4 Overview (1) 4.1 The purpose of absorbing forceps (1) 4.2 The structure of the absorbing clamp (2) 5 Measurement characteristics (2) 6 Calibration conditions (3) 6.1 Environmental conditions (3) 6.2 Main equipment for calibration (3) 7 Calibration items and calibration methods (4) 7.1 Appearance and working normality inspection (4) 7.2 Calibration method (4) 7.3 Parameter setting of calibration equipment (6) 7.4 Improvement of calibration method (7) 8 Calibration result expression (7) 9 Recalibration interval (8) Appendix A Calibration Record Content (9) Appendix B Contents of the inner page of the calibration certificate (11) Appendix C Working Principle of Absorption Clamp and Emission Equivalent Circuit (14) Appendix D Examples of Uncertainty Evaluation (18) 30MHz~1.0GHz Absorption Power Clamp Calibration Specification

1 Scope

This calibration specification is applicable to newly manufactured, purchased, in-use and repaired adjustments. The frequency range is (30~ 1000) MHz Absorption power clamp that meets the requirements of GB/T 6113.1-1995 and GB/T 6113.2-1998 (Absorption clamp) calibration.

2 References

GB/T 6113.1-1995 Radio disturbance and immunity measurement equipment specification GB/T 6113.2-1998 Radio disturbance and immunity measurement method GB/T 4365-2003 Electromagnetic compatibility CISPR16-4-2.2003Specificationforradiodisturbanceandimmunitymeasuringappa- ratusandmethodsPart 4-2Uncertainties,StatisticsandlimitmodelingMeasurement instrumentationUncertainty Tim Wiliams, GeoffOrfordtheUK'sNationalMeasurementLaboratoryElec- tromageticsPublications"Calibrationanduseofartificialmainsnetworksandabsorbing clamps" When using this specification, you should pay attention to using the currently valid versions of the above cited documents.

3 Terms and units of measurement

3.1 Absorbing clamp absorbingclamp For equipment with a power cord, its interference capability can be used as a radiating antenna power cord (only refers to the That part) to measure the energy provided. This power is approximately equal to what the absorption device can absorb when placed around the lead Maximum power. This absorption device is called absorption clamp or ferrite clamp. 3.2 Absorption clamp insertion loss insertionloss The insertion loss of the absorbing clamp is the fitting between the absorbing clamp and the calibration lead between the coaxial connectors C1 and C2 in Figure 7.1 of this specification. The unit of loss is decibel and the symbol is dB. 3.3 Correction factor of absorption clamp The correction factor of the absorbing clamp is the difference between the insertion loss of the absorbing clamp and 17, the unit is decibel and the symbol is expressed in dB. 17 It is the approximate value of 10log50, which is the conversion factor between dB (μV) and dB (pW) in a 50Ω measurement system.

4 overview

4.1 Purpose of Absorbing Forceps ......

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