Standard

NS-EN ISO 7027-2:2019

May 2019 Published

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Language English

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Abstract

This document specifies the following semi-quantitative methods for the assessment of transparency of waters: a) measurement of visual range using the transparency testing tube (applicable to transparent and slightly cloudy water), see Clause 4; b) measurement of visual range in the upper water layers using the transparency testing disc (especially applicable to surface, bathing water, waste water and often used in marine monitoring), see 5.1; c) measurement of visibility by divers in a destined depth, see 5.2. NOTE The quantitative methods using optical turbidimeters or nephelometers are described in ISO 7027-1.

Document information

Standard from SN
Published: 1 May 2019
Edition: 2019-02
Version: 1
Document type: NAT
ISBN:

ICS 13.060.60
National Committee SN/K 153

Product Relations

Referred by: NS-EN ISO 16961:2024
Replaces: NS-EN ISO 7027:1999
Adopted from: EN ISO 7027-2:2019 , 0

Product life cycle

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Withdrawn

NS-EN ISO 7027:1999
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NS-EN ISO 7027-2:2019

NS-EN ISO 7027-2:2019

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