ISO 22013:2021

INTERNATIONAL ISO
STANDARD 22013
First edition
2021-01
Marine environment sensor
performance — Specifications,
testing and reporting — General
requirements
Navires et technologie maritime — Performances des capteurs marins
Reference number
©
ISO 2021
© ISO 2021
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Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3  Terms and definitions . 1
4  Specifications .14
4.1 General .14
4.2 Calibration .14
4.3 Range .15
4.3.1 Calibrated range .15
4.3.2 Measuring range.15
4.3.3 Maximum range .15
4.4 Accuracy .15
4.5 Resolution .15
4.6 Response time.15
4.7 Depth and pressure .15
4.7.1 Maximum depth rating .15
4.7.2 Crush depth rating . . .15
4.8 Sample rate .15
4.9 Mechanical .15
4.9.1 Wetted materials .15
4.9.2 Exterior dimensions.16
4.9.3 Mass or weight in air .16
4.9.4 Weight in freshwater .16
4.9.5 Weight in seawater . .16
4.9.6 Operating temperature range .16
4.10 Electrical .16
4.10.1 Input voltage range .16
4.10.2 Operating power consumption .17
4.10.3 Startup power consumption .17
4.11 Interface .17
4.11.1 Electrical connections .17
4.11.2 Communications protocol.17
4.12 Stability .17
4.13 Shelf-life .18
5 Test methods .18
5.1 Overview .18
5.2 General experimental design .18
5.2.1 General.18
5.2.2 Sensor settings.18
5.2.3 Reference .18
5.2.4 Re-calibration .18
5.3 Calibration .18
5.3.1 General.18
5.3.2 Calibration method .19
5.3.3 Experimental design — Layout of the calibration .19
5.3.4 Calibration curve .19
5.3.5 Post-calibration operations .20
5.4 Accuracy .20
5.4.1 General.20
5.4.2 Modifications to ISO 5725 .20
5.4.3 Statistical model .21
5.4.4 Determination of precision .21
5.4.5 Experimental design — Layout of the precision experiment .22
5.4.6 Reference .23
5.4.7 Determination of trueness (bias) .23
5.4.8 Statistical analysis . .23
5.5 Resolution .23
5.5.1 General.23
5.5.2 Experimental design .24
5.5.3 Calculation of s . .24
noise
5.5.4 Calculation of s .24
noise
ij
5.6 Response time.24
5.6.1 General.24
5.6.2 Experimental design .24
5.6.3 Response curve .25
5.7 Depth and pressure .26
5.7.1 Maximum depth rating .26
5.7.2 Crush depth rating . . .27
5.7.3 Pressure case void .27
5.8 Mechanical .27
5.8.1 Wetted materials .27
5.8.2 Weight in freshwater .
...