Cuir — Essais chimiques — Détermination du pH et de l'indice de différence
Le présent document spécifie une méthode de détermination de la valeur du pH et de l'indice de différence d'un extrait aqueux de cuir. Il est applicable à tous les types de cuir.
Leather — Chemical tests — Determination of pH and difference figure
This document specifies a method for determining the pH value and the difference figure of an aqueous leather extract. It is applicable to all types of leather.
Optics and photonics — Optical materials and components — Test method for striae in infrared optical...
This document specifies the principle, apparatus, condition, sample, procedure and data processing of measuring striae in infrared optical materials.
It is applicable to the determination of striae in infrared optical materials, such as infrared optical glass, which is opaque to visible wavelengths and whose transmission optical spectra are beyond 0,78 µm.
Agricultural irrigation equipment — Volumetric valves — General requirements and test methods
This document specifies general requirements and test methods for volumetric valves able to automatically deliver preset quantities of water. It is applicable to valves actuated by pipeline pressure and flow alone, and which do not need any other, external, source of energy.
NOTE Volumetric valves are typically required to operate correctly with different qualities of irrigation water at a…
Transmissions hydrauliques — Systèmes de comptage automatique en ligne de particules en suspension d...
Le présent document établit des méthodes pour :
— valider l'équipement utilisé pour préparer des suspensions d'étalonnage secondaire pour les compteurs automatiques de particules ;
— réaliser l'étalonnage secondaire en ligne des compteurs automatiques de particules ;
— appairer deux ou plusieurs compteurs de particules en ligne, c'est-à-dire obtenir…
Hydraulic fluid power — Online automatic particle-counting systems for liquids — Methods of calibrat...
This document establishes methods to:
— validate equipment used to prepare secondary calibration suspensions for automatic particle counters;
— perform online secondary calibration of automatic particle counters;
— match two or more online particle counters, i.e. to count the same number of particles at a given size by two APCs associated on line;
— validate…
Maritime navigation and radiocommunication equipment and systems - Digital interfaces - Part 460: Mu...
IEC 61162-460:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61162-460:2018 is an add-on to IEC 61162-450 where higher safety and security standards are needed, for example…
Maritime navigation and radiocommunication equipment and systems - Digital interfaces - Part 450: Mu...
IEC 61162-450:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61162-450:2018 specifies interface requirements and methods of test for high speed communication between…
