IEC TS 63144-1:2020

IEC TS 63144-1 ®
Edition 1.0 2020-04
TECHNICAL
SPECIFICATION
Industrial process control devices – Thermographic cameras –
Part 1: Metrological characterization
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IEC TS 63144-1 ®
Edition 1.0 2020-04
TECHNICAL
SPECIFICATION
Industrial process control devices – Thermographic cameras –

Part 1: Metrological characterization

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 17.200, 25.040.40  ISBN 978-2-8322-7969-4

– 2 – IEC TS 63144-1:2020 © IEC 2020
CONTENTS
FOREWORD . 6
INTRODUCTION . 8
1 Scope . 9
2 Normative references . 9
3 Terms and definitions . 9
4 Symbols . 14
5 Abbreviated terms . 14
6 Determination of technical data . 15
6.1 General . 15
6.2 Measuring temperature range . 15
6.2.1 General . 15
6.2.2 Required parameters . 16
6.2.3 Examples of indications . 16
6.2.4 Test condition, method and procedure for measuring temperature range . 16
6.3 Noise equivalent temperature difference (NETD) . 16
6.3.1 General . 16
6.3.2 Required parameters . 16
6.3.3 Examples of indications . 16
6.3.4 Test condition, method and procedure for noise equivalent temperature
difference . 17
6.4 Measuring distance (d) . 18
6.4.1 General . 18
6.4.2 Required parameters . 18
6.4.3 Examples of indications . 18
6.4.4 Test condition, method and procedure for measuring distance . 18
6.5 Field of view (FOV) . 18
6.5.1 General . 18
6.5.2 Required parameters . 19
6.5.3 Examples of indications . 19
6.5.4 Test condition, method and procedure for field of view . 19
6.6 Number of image elements . 19
6.7 Detector format used (number of detector elements used) . 19
6.8 Instantaneous field of view (IFOV) . 20
6.8.1 General . 20
6.8.2 Required parameters . 20
6.8.3 Example of indications . 20
6.8.4 Test condition, method and procedure for instantaneous field of view . 20
6.9 Slit response function (SRF) . 20
6.9.1 General . 20
6.9.2 Required parameters . 21
6.9.3 Examples of indications . 21
6.9.4 Test condition, method and procedure for slit response function . 21
6.10 Minimum field of view for temperature measurement (MFOV ) . 22
T
6.10.1 General . 22
6.10.2 Required parameters . 23
6.10.3 Example of indications . 23

6.10.4 Test condition, method and procedure for minimum field of view for
temperature measurement . 23
6.11 Spectral range . 24
6.11.1 General . 24
6.11.2 Examples of indications . 24
6.11.3 Test condition, method and procedure for spectral range . 24
6.12 Emissivity setting . 24
6.12.1 General . 24
6.12.2 Examples of indications . 24
6.12.3 Test condition, method and procedure for emissivity setting . 24
6.13 Influence of the internal instrument temperature . 24
6.13.1 General . 24
6.13.2 Required parameters . 25
6.13.3 Examples of indications . 25
6.13.4 Test condition, method and procedure for influence of the internal
instrument temperature . 25
6.14 Influence of the humidity . 26
6.14.1 General . 26
6.14.2 Required parameters . 26
6.14.3 Example of indications . 26
6.14.4 Test condition, method and procedure for influence of the humidity . 26
6.15 Long-term stability . 26
6.15.1 General . 26
6.15.2 Required parameters . 26
6.15.3 Example of indication . 26
6.15.4 Test condition, method and procedure for long-term stability . 27
6.16 Short-term stability . 27
6.16.1 General . 27
6.16.2 Required parameters . 27
6.16.3 Example of indication . 28
6.16.4 Test condition, method and procedure for short-term stability . 28
6.17 Repeatability . 28
6.17.1 General . 28
6.17.2 Required parameters . 28
6.17.3 Example of indication . 29
6.17.4 Test condition, method and procedure for repeatability . 29
6.18 Interchangeability (spread of production) . 29
6.18.1 General . 29
6.18.2 Required parameters . 29
6.18.3 Example of indication . 30
6.18.4 Test condition, method and procedure for interchangeability (spread of

production) . 30
6.19 Response time . 30
6.19.1 General . 30
6.19.2 Required parameters . 34
6.19.3 Example of indication . 34
6.19.4 Test condition, method and procedure for response time . 34
6.20 Exposure time . 35
6.20.1 General . 35
6.20.2 Required parameters . 36

– 4 – IEC TS 63144-1:2020 © IEC 2020
6.20.3 Example of indication . 36
6.20.4 Test condition, method and procedure for exposure time . 36
6.21 Warm-up time .
...