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GB/T 30121-2013 English PDF

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GB/T 30121-2013: Industrial platinum resistance thermometers and platinum temperature sensors
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GB/T 30121-2013English374 Add to Cart 3 days [Need to translate] Industrial platinum resistance thermometers and platinum temperature sensors Valid GB/T 30121-2013

PDF similar to GB/T 30121-2013


Standard similar to GB/T 30121-2013

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Basic data

Standard ID GB/T 30121-2013 (GB/T30121-2013)
Description (Translated English) Industrial platinum resistance thermometers and platinum temperature sensors
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N11
Classification of International Standard 17.200.20
Word Count Estimation 19,171
Quoted Standard IEC 61152; IEC 61298-1
Adopted Standard IEC 60751-2008, IDT
Regulation (derived from) National Standards Bulletin No. 25 of 2013
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 industrial platinum resistance temperature sensing element (hereinafter referred to as "elements") and industrial platinum RTD (hereinafter referred to as "platinum RTD") requirements and temperature - resistance relationships.

GB/T 30121-2013: Industrial platinum resistance thermometers and platinum temperature sensors

---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.
Industrial platinum resistance thermometers and platinum temperature sensors ICS 17.200.20 N11 National Standards of People's Republic of China Industrial platinum resistance temperature sensing element and platinum (IEC 60751.2008, IDT) Issued on. 2013-12-17 2014-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions Features 3 4 4.1 temperature - resistance relationship 3 4.2 resistance value 3 6 5 General requirements 5.1 Tolerance Level 6 7 5.2 Current measurement 5.3 incentives 7 5.4 leads the way 7 6 Test 7 6.1 General 7 6.2 routine test element 8 6.3 platinum RTD routine test 9 6.4 Type test element 9 6.5 10 platinum RTD type test Additional special type test 6.6 platinum RTD 11 6.7 Test Summary 11 7 Information to be provided by the manufacturer 12 7.1 only element 12 7.2 elements and (or) platinum RTD 12 8 platinum RTD identification and marking 13 Appendix NA (informative) Description of fabricated platinum thermal resistance test methods 14 Appendix NB (informative) Be sure to use the appropriate tolerance level element method 15

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard uses the translation method identical with IEC 60751.2008 "Industrial platinum resistance thermometers and platinum temperature sensing element" (Industrial platinumresistancethermometersandplatinumtemperaturesensors). Consistency correspondence between this part of international documents and normative references of our files are as follows. --- GB/T 19900-2005 metal sheathed thermometer elements size (IEC 61152.1992, IDT) --- GB/T 18271.1-2000 Process measurement and control devices - General methods and procedures for evaluating performance - Part 1. General (IEC 61298-1.1995, IDT) The editorial changes made the following standard. a) to IEC standard original editorial errors were corrected, 6.3.2.1 original as "insulation resistance should meet the requirements of 6.5.1," Corrections The "insulation resistance shall comply with the requirements of 6.3.1"; 6.4.2 for the original "platinum RTD resistance at 0 ℃ drift" correct "dollar Member at 0 ℃ resistance drift "; b) taking into account the actual situation in China and to facilitate the implementation of an increase in Appendix NA "for fabricated platinum thermal resistance test method description" and Appendix NB "Be sure to use the appropriate tolerance level element method." The standard proposed by China Machinery Industry Federation. This standard by the national industrial process measurement and control Standardization Technical Committee (SAC/TC124) centralized. This standard by the Shanghai Institute of Industrial Automation Instrumentation drafted, Shanghai Measurement and Testing Technology Research Institute, Shanghai Automation Instrumentation shares have Limited, China Institute of Metrology, Chongqing Instrument Materials Research Institute, West Instrument Group Co., Ltd., Zhejiang Lunte Electrical Co., Ltd. Yueqing Huadong Meter Factory, Anhui Rand (Group) Co., Ltd., Tianjin Central temperature Instrument Co., Ltd., Hangzhou Chunjiang Instruments Inc. Division, Shanghai Xin Fang Industry Co., Ltd., Guangzhou right Instrument Co., Germany, long Sanoh gold automation equipment company, Anhui days Kang (Group) Ltd. participated in the drafting. The main drafters. Zhang Jipei, Shi Ming roots, Fan armor, Yao Lifang, Song Ping, Qiu Ping, Zhang Lixin, Song Pu, Galen Wu, Wu Xinghua, Wang Fang high, Liuhan Jie, Wu Dade, Li Yong, Tan your rights, Wang Fan, Zhou Yu step. Industrial platinum resistance temperature sensing element and platinum

1 Scope

This standard provides for industrial platinum resistance temperature sensing element (hereinafter referred to as "element") and industrial platinum RTD (hereinafter referred to as "platinum RTD") of Requirements and temperature - resistance relationship. Their resistance value is a predetermined function of the temperature. This standard applies to the value of the temperature coefficient α element of 3.851 × 10-3 ℃ -1. Temperature coefficient α is defined as the following equation (1). α = R100-R0 R0 · 100 · ℃ (1) Where R100 is the resistance value when t = 100 ℃, R0 is the resistance value when t = 0 ℃. The standard temperature value using the 1990 International Temperature Scale (ITS-90). In addition to Table 1, the degrees Celsius (℃) temperature symbol t He indicated in Table 1 using its full official name t90/℃. This standard covers the -200 ℃ ~ 850 ℃ temperature range of the entire or part of the different levels of tolerance or platinum RTD elements, each of tolerance Level may only cover a limited temperature range. Resistance uncertainty of less than 0.1 ℃ - the relationship only with a high temperature stability and the need for separate calibration element or platinum RTD. This may require using more complex than shown in this standard interpolation equations. A detailed description of these equations is not within the scope of this standard.

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. Dimensions (Dimensionofmetal-sheathedthermometerelements) IEC 61152 metal sheathed thermometer elements IEC 61298-1 Process measurement and control devices common performance assessment methods and procedures Part 1 General (Processmeas- urementandcontroldevices-Generalmethodsandproceduresforevaluatingperformance-Part 1. Generalconsiderations)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Dielectric strength dielectricstrength Platinum RTD can withstand without damage, all electrical circuits with a maximum voltage is applied to the jacket between the platinum RTD, or platinum The case of two or more resistors having a temperature sensing circuit, the maximum voltage applied between the two circuits. DC or AC measurements (including frequency Rate) conditions should be specified. 3.2 Insulation resistance insulationresistance At room temperature or elevated temperature in a predetermined measuring voltage (AC or DC), the measurement of the electrical circuit between any part of the sheath electric Resistance. 3.3 The minimum insertion depth minimumimmersiondepth Compared with the full insertion calibration, a temperature change does not exceed 0.1 ℃ depth of insertion.

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