ISO/TS 23521:2021 PDF

Road vehicles — Calibration procedure for displacement devices

Название (английский):

ISO/TS 23521:2021

Road vehicles — Calibration procedure for displacement devices

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 6
Дата публикации:: 7 июля 2021 г.
Издание:: ISO TS 23521 edition 1 version 1
ICS:: 43.020

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Описание (английский):

This document establishes a procedure to calibrate 1D displacement transducers with nearly linear transfer functions. This procedure is tailored to the needs of sensors used in crash tests. The calibration is carried out with the sensor disassembled from the dummy or test system. The procedure is valid for sensors with analogue as well as digital output.

Технические детали

Технический комитет: ISO/TC 22/SC 36 - Safety and impact testing
SKU: ISO/TS 23521:2021

Abstract

Overview

ISO/TS 23521:2021 - Road vehicles - Calibration procedure for displacement devices - defines a repeatable, traceable procedure to calibrate 1D displacement transducers with nearly linear transfer functions, specifically tailored for sensors used in automotive crash tests. The method applies to sensors removed from dummies or test systems and is valid for both analogue and digital outputs. The specification focuses on point‑to‑point calibration against a traceable reference and provides guidance on data collection, processing and reporting of key performance metrics.

Key topics and requirements

Calibration environment
- Perform in a temperature‑controlled laboratory between 20 °C and 25 °C.
- Measurement system and sensor must be connected and warmed up as in normal operation.
Mechanical setup
- Secure sensor to a linear calibration fixture; use fixation components that may differ from in‑service assembly.
- Eliminate mechanical play (loose screws, interfaces) before calibration.
Calibration range and starting point
- Establish a zero displacement point (DS) similar to the application; if unknown, set DS

Overview

Key topics and requirements

Calibration environment
- Perform in a temperature‑controlled laboratory between 20 °C and 25 °C.
- Measurement system and sensor must be connected and warmed up as in normal operation.
Mechanical setup
- Secure sensor to a linear calibration fixture; use fixation components that may differ from in‑service assembly.
- Eliminate mechanical play (loose screws, interfaces) before calibration.
Calibration range and starting point
- Establish a zero displacement point (DS) similar to the application; if unknown, set DS

ISO/TS 23521:2021 PDF

Технические детали

Abstract

Overview

Key topics and requirements

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Abstract

Overview

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