ДСТУ EN 62598:2022 Ядерное приборостроение. Требования к конструкции и классификация радиометрических измерительных приборов (EN 62598:2013, IDT; IEC 62598:2011, IDT)

ДСТУ EN 62598:2022
(EN 62598:2013, IDT; IEC 62598:2011, IDT)

Ядерне приладобудування. Вимоги до конструкції
та класифікація радіометричних вимірювальних приладів

 
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Introduction

1 Scope and object

2 Normative references

3 Terms and definitions

4 Classification of radiometric gauge types

4.1 Category A: Radiometric gauges with restricted beam

4.2 Category B: Radiometric gauges with omnidirectional beam

4.3 Category C: Stand alone source housings for fixed radiometric gauges

4.4 Dose rate classes

4.5 Temperature class

5 General requirements

5.1 Measuring gap

5.2 Source holder

5.3 Source housing

5.4 Alignment of the useful beam

5.5 Other requirements

6 Protection against ionizing radiation

6.1 General requirements

6.2 Requirements for Category A gauges

6.3 Requirements for Category B gauges

6.4 Requirements for Category C stand alone source housings

6.5 Resistance of the source housing in case of fire

6.6 Detector housing

6.7 Measuring head

7 Other safety devices

7.1 General

7.2 Protection against non-authorized use

7.3 Indication of the shutter position

7.4 Additional warning device

8 Determination of the dose equivalent rate

8.1 General

8.2 Dose equivalent rate measurements in the case of closed shutters

8.3 Dose equivalent rate measurements in the case of open shutters

8.4 Procedure for dose equivalent rate measurements

8.5 Determining the relevant values of the dose equivalent rate

9 Test methods

9.1 General

9.2 Temperature cycle test on the shutters and the source holder

9.3 Test for checking the resistance of the shutter, the source holder and the source container in case of fire

9.4 Test for checking the mechanical resistance of the shutter and the source holder

10 System classification coding and labelling

10.1 Classification code

10.2 Labelling

11 Accompanying documents

Annex A (informative) Guidelines for the installation of radiometric gauges