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ISO 16663-2:2003 PDF — Fishing nets — Method of test for the determination of mesh size — Pa… — GOST Standards

//ISO 16663-2:2003

ISO 16663-2:2003

Name: ISO 16663-2:2003 — Fishing nets — Method of test for the determination of mesh size — Part 2: Length of mesh
SKU: ISO 16663-2:2003
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Fishing nets — Method of test for the determination of mesh size — Part 2: Length of mesh

Название (английский):

ISO 16663-2:2003

Fishing nets — Method of test for the determination of mesh size — Part 2: Length of mesh

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 3
Дата публикации:: 26 мая 2003 г.
Издание:: ISO IS 16663 edition 1 version 1
ICS:: 65.150

Тип поставки:

Full version5 400 ₽Read online 24h1 200 ₽Read online 72h1 800 ₽

Язык документа:

ruen

Срок поставки:1 раб. дн. (перевод)

Цена:5 400 ₽

Описание (английский):

ISO 16663-2:2003 specifies a method for the determination of mesh length of fishing nets using a ruler. It is applicable to passive fishing gears.

Abstract

Overview

ISO 16663-2:2003 specifies a standardized test method for determining the mesh length of fishing nets using a ruler. Applicable to (for example gill nets, entangling nets and trammel nets), the standard defines sample conditioning, measurement procedure, calculation rules and reporting requirements to ensure repeatable, comparable mesh size data for quality control, compliance and research.

Key topics and technical requirements

Scope: Measurement of mesh length (Part 2) for passive fishing gear; complements ISO 16663-1 (mesh opening).
Conditioning / atmosphere: Dry specimens must reach equilibrium in the standard atmosphere per ISO 139 (typically 24 h for man‑made fibres).
Wet testing: Two options:
- Immersion in tap water at (20 ± 2) °C for ≥ 12 hours, or
- Immersion in a wetting‑agent solution at (20 ± 2) °C for ≥ 1 hour.
Measurement principle: Manually straighten netting in the N‑direction and measure the distance from the first knot or joint (inclusive) using a ruler with 1 mm accuracy.
Calculation rule: Measured length (five consecutive meshes) is divided by 5 to obtain single mesh length. Perform at least 10 single measurements per netting piece unless otherwise agreed. Average mesh length is rounded up to the next millimetre.
Statistics: Determine the coefficient of variation and confidence interval for the set of measurements.
Test report contents: Must state conformity to the standard and include date, netting description (material, yarn type, knotted/knotless, nominal linear density per EN ISO 1107), average mesh length (mm), number of measurements, net state (dry/wet), coefficient of variation, confidence interval and any deviations.

Applications and typical users

Manufacturers - quality control and product specification of nets and panels.
Testing laboratories - standardized methods for certification and verification.
Fisheries managers and regulators - enforce mesh size regulations for selectivity and conservation.
Researchers - compare gear performance and biological selectivity across studies.
Procurement and inspection - ensure delivered gear meets contractual mesh-size requirements.

Using ISO 16663-2 promotes consistent mesh size measurement, supports regulatory compliance, reduces disputes over gear specification, and improves reproducibility in fisheries science.

Related standards

ISO 16663-1 - Fishing nets: Method for determination of mesh size - Part 1: Opening of mesh
EN ISO 1107 / ISO 1107 - Fishing nets: Netting basic terms and definitions
ISO 139 - Textiles: Standard atmospheres for conditioning and testing

Keywords: ISO 16663-2, mesh length, fishing nets, mesh size measurement, passive fishing gear, gill net, trammel net, test method, standard atmosphere.

Технические детали

Технический комитет: ISO/TC 38 - Textiles
SKU: ISO 16663-2:2003

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ISO 16663-1:2009

Действующий

Fishing nets — Method of test for the determination of mesh size — Part 1: Opening of mesh

Overview ISO 16663-1:2009 - Fishing nets - Method of test for the determination of mesh size - Part 1: Opening of mesh - specifies an objective, reproducible method to determine the size of mesh open…

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