ДСТУ EN 61577-3:2022 Радон та прилади для вимірювання продуктів розпаду радону. Частина 3. Особливі вимоги до приладів для вимірювання продуктів розпаду радону (EN 61577-3:2014, IDT; IEC 61577-3:2011, IDT)

ДСТУ EN 61577-3:2022
(EN 61577-3:2014, IDT; IEC 61577-3:2011, IDT)

Радон та прилади для вимірювання продуктів розпаду радону.
Частина 3. Особливі вимоги до приладів для вимірювання продуктів розпаду радону

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

Contents

INTRODUCTION

1 Scope

2 Normative references

3 Terms and definitions

4 General design considerations

4.1 Design considerations for the measurements

4.1.1 Deposition of radon decay products on surfaces

4.1.2 Airflow system

4.2 Design considerations for handling and maintenance

4.2.1 Portability

4.2.2 Application under heavy 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 Test sources

6.4.1 Solid sources

6.4.2 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 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 Low sampling flow-rate indication

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 Number concentration of aerosols

9.2.1 Requirements

9.2.2 Test method

9.3 Ambient temperature

9.3.1 Requirements

9.3.2 Test method

9.4 Relative humidity and condensed moisture

9.4.1 Requirements

9.4.2 Test method

9.5 Atmospheric pressure

10 Requirements and tests concerning electrical performance

10.1 Warm-up time

10.1.1 Requirements

10.1.2 Test method

10.2 Power supply variations

10.2.1 Requirements

10.2.2 Test method

10.3 Battery test

10.3.1 Requirements

10.3.2 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