ДСТУ EN 61577-2:2022 Прилади радіаційного захисту. Прилади для вимірювання радону та продуктів розпаду радону. Частина 2. Особливі вимоги до вимірювальних приладів 222Rn і 220Rn (EN 61577-2:2017, IDT; IEC 615...

ДСТУ EN 61577-2:2022
(EN 61577-2:2017, IDT; IEC 61577-2:2014, IDT)

Прилади радіаційного захисту. Прилади для вимірювання радону та продуктів розпаду радону.
Частина 2. Особливі вимоги до вимірювальних приладів 222Rn і 220Rn

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

Contents

FOREWORD

INTRODUCTION

1 Scope

2 Normative references

3 Terms and definitions

4 General design considerations

4.1 Design considerations for the measurements

4.1.1 General

4.1.2 Effects caused by physical properties of 222Rn and 220Rn

4.2 Design considerations for handling and maintenance

4.2.1 Portability

4.2.2 Application under harsh environmental conditions

4.2.3 Automatic operation

4.2.4 Reliability

4.2.5 Capability for operational testing

4.2.6 Adjustment and maintenance facilities

4.2.7 Acoustic noise level

4.2.8 Electromagnetic interference

4.2.9 Storage

5 Technical components

5.1 Sampling assembly

5.2 Radiation detection assembly

5.3 Data processing and recording

5.4 Measurement display

5.5 Power supply

6 Test conditions

6.1 General

6.2 Standard test conditions

6.3 Execution of tests

6.4 Reference atmospheres

7 Requirements and tests concerning radiation detection performance

7.1 Reference response to a test source

7.1.1 Requirements

7.1.2 Test method

7.2 Cross-interference to other radon isotopes

7.2.1 Requirements

7.2.2 Test method

7.3 Linearity of indication

7.3.1 Requirements

7.3.2 Test method

7.4 Instrument statistical fluctuation

7.4.1 Requirements

7.4.2 Test method

7.5 Response time

7.5.1 Requirements

7.5.2 Test method

7.6 Signal accumulation

7.6.1 Requirements

7.6.2 Test method

8 Requirements and tests concerning air circuit performance

8.1 General

8.2 Flow-rate stability

8.2.1 Requirements

8.2.2 Test method

8.3 Accuracy of the air flow-rate measurement

8.3.1 Requirements

8.3.2 Test method

8.4 Effect of filter pressure drop

8.4.1 Requirements

8.4.2 Test method

8.5 Indication of low sampling flow-rate

8.5.1 Requirements

8.5.2 Test method

9 Requirements and tests concerning environmental performance

9.1 Response to ambient gamma radiation

9.1.1 Requirements

9.1.2 Test method

9.2 Ambient temperature

9.2.1 Requirements

9.2.2 Test method

9.3 Relative humidity and condensed moisture

9.3.1 Requirements

9.3.2 Test method

9.4 Atmospheric pressure

10 Requirements and tests concerning electrical performance

10.1 Power supply variations

10.1.1 Requirements

10.1.2 Test method

10.2 Battery test

10.2.1 Requirements

10.2.2 Test method

11 Requirements and tests concerning mechanical performance

11.1 Requirements

11.2 Test method

12 Operation and maintenance manual

13 Type test report and certificate