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BS ISO 23435:2022

BS ISO 23435:2022

$142.49

Air quality. Test methods for snow depth sensors

Published By Publication Date Number of Pages
BSI 2022 24
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PDF Catalog

PDF Pages PDF Title
2 National foreword
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Fundamentals of snow depth sensors
4.1 Overview
4.2 Observation methods
4.3 Points to note
5 Test criteria and summary of methods
5.1 Test criteria and considerations
5.1.1 Measurement performance
11 5.1.2 Installation-related
5.1.3 Environmental/operational
5.2 Summary of test methods
12 6 Manufacturer design specifications check
6.1 Purpose
6.2 Requirements to list
7 Basic functional test
7.1 Purpose
7.2 Calibration of the sensor prior to testing
7.2.1 Calibration using a reference object
13 7.2.2 Calibration by moving the target surface
14 7.2.3 Plumb procedure (only applicable to sensors using visible laser signals)
15 7.3 Basic functional test procedure
7.3.1 Test setup
7.3.2 Running test
16 7.3.3 Evaluation of the results
7.3.4 Consideration
8 Temperature chamber test (optional)
8.1 Purpose
8.2 Test chamber
8.3 Procedure
8.4 Evaluation
17 9 Calibration (ground level adjust) test
9.1 Purpose
9.2 Procedures
10 Field tests
10.1 Purpose
10.2 Duration
10.3 Siting
18 10.4 Climate
10.5 Installation
10.5.1 Mounting and installation of ultrasonic snow depth sensors
19 10.5.2 Mounting and installation of laser-based sensors
10.6 Field site equipment
10.6.1 Target surface (snow plate)
20 10.6.2 Reference measurements for comparison
10.6.3 Auxiliary environmental sensors
10.7 Evaluation
10.7.1 Malfunctions
10.7.2 Automatic quality control
10.7.3 Evaluation of differences to reference
21 10.7.4 Errors caused by field inhomogeneity or other unexpected conditions
22 Bibliography

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BS ISO 23435:2022
$142.49