AS/NZS ISO 16840.12:2024 identically adopts ISO 16840 12:2021, which specifies apparatus, test methods, and disclosure requirements for characterization of wheelchair seat cushion immersion and envelopment properties using indenters instrumented with pressure sensors
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Indenter construction
4.1 Materials
4.2 Tolerances and finishes
4.3 Indenter elements
4.3.1 Trochanter bar
4.3.2 Trochanter blocks
4.3.3 Semispherical indenter half
4.4 Indenter assembly
4.5 Sensor locations
4.5.1 General
4.5.2 Elevation a
4.5.3 Elevation b
4.5.4 Elevation c
4.5.5 Elevation d
5 Instrumentation hardware
5.1 Sensors
5.2 Timer
5.3 Loading equipment
5.3.1
5.3.2
5.4 Rigid board
6 Preparation of test cushion
6.1 Cushion set up
6.2 Preconditioning the cushion to the test environment
