# ISO 9806-1:1994 — Withdrawn and superseded ISO standards

For ISO 9806-1:1994, item title is Test methods for solar collectors — Part 1: Thermal performance of glazed liquid heating collectors including pressure drop; status code is 9599; successor is ISO 9806:2013 | ISO/WD 9806-1; withdrawn / published date is 1994-12-08, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9806-1:1994 _(verified: appears in the quote below)_
- **Item title:** Test methods for solar collectors — Part 1: Thermal performance of glazed liquid heating collectors including pressure drop _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9806:2013 | ISO/WD 9806-1
- **Withdrawn / published date:** 1994-12-08 _(verified: appears in the quote below)_

## What the source says

> 17678,IS,,ISO 9806-1:1994,Test methods for solar collectors — Part 1: Thermal performance of glazed liquid heating collectors including pressure drop,"Méthodes d'essai des capteurs solaires — Partie 1: Performance thermique des capteurs vitrés à liquide, chute de pression incluse",1994-12-08,1,['27.160'],ISO/TC 180,9599,,"[59879,32420]",['en'],60,<p>Establishes methods for determining the thermal performance of glazed liquid heating solar collectors; provides test methods and calculation procedures for determining the steady-state and quasi-steady-state thermal performance of solar collectors. Contains methods for conducting tests outdoors under natural solar irradiance and indoors under sim

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).