# Schweizerische Akkreditierungsstelle (SAS)

> The Swiss accreditation body. Its public STS register is the authoritative way to check whether a firm is accredited to ISO/IEC 17025 for NISV measurements of mobile base stations — the only kind of report Swiss authorities act on.

- Canonical URL: https://emfbase.com/organizations/swiss-accreditation-service
- Collection: Organizations
- Record id: `organizations:sas-ch`
- Status: verified
- Last verified: 2026-08-12
- JSON: https://emfbase.com/api/organizations/swiss-accreditation-service
- Also known as: SAS, Swiss Accreditation Service, STS register, NISV Messfirmen

## Key values

- **Role:** standards body
- **Jurisdiction:** CH
- **Website:** https://www.sas.admin.ch/sas/en/home/akkreditiertestellen/akkrstellensuchesas.html

## Certifications and methodologies

- ISO/IEC 17025 accreditation for NISV measurements (search term 'NISV')

## Related records

- [Swiss Federal Office for the Environment (BAFU/FOEN)](https://emfbase.com/organizations/bafu): Administers Switzerland's ONIR/NISV ordinance, which adds legally binding precautionary installation limit values well below ICNIRP reference levels at places of sensitive use.
- [Swiss ONIR / NISV installation limit values](https://emfbase.com/standards/swiss-onir-nisv): Switzerland's precaution-based installation limits for fixed transmitters and power lines, roughly a factor of 10 below ICNIRP in field strength terms.
- [Do I need an accredited measurement to challenge a cell tower?](https://emfbase.com/questions/do-i-need-an-accredited-measurement): Regulators act on measurements made by the prescribed method by an accredited body (in Switzerland, an ISO/IEC 17025 firm in the SAS register). Your own readings are for triage, not for compliance.

## Sources

- `sas-accredited-bodies` Schweizerische Akkreditierungsstelle SAS (Swiss Accreditation Service). *Search for accredited bodies (STS register of ISO/IEC 17025 laboratories)*. https://www.sas.admin.ch/sas/en/home/akkreditiertestellen/akkrstellensuchesas.html — government, link checked 2026-08-12
- `bafu-nisv-vollzugshilfen` Bundesamt für Umwelt BAFU (Switzerland). *Mobilfunk: Vollzugshilfen zur NISV — Messempfehlungen und Hinweis auf die für NIS-Messungen akkreditierten Messfirmen*. https://www.bafu.admin.ch/de/mobilfunk-vollzugshilfen-zur-nisv — government, link checked 2026-08-12

Data licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Dataset version 2026.08.1. Retrieved from EMFBase, https://emfbase.com.

This record is reference data, not medical or legal advice. Regulatory limits, scientific guidelines and precautionary values are labelled separately and answer different questions.