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Certified Product

Ambient air Measurement: "Model 49i"

Certificate Holder: Thermo Fisher Scientific

Test Mark Number: 0000039320


The ambient air measurement system Model 49i for O3
operates with UV-absorption by 254 nm.

The certified components and ranges are:

Component:      CR      SR     Unit
O3 0 - 360 500   µg/m³

CR = certification range
SR = supplementary range

The measurement system was tested by TÜV Rheinland Energie und Umwelt GmbH
in accordance with the guideline VDI 4202-01 and VDI 4203-02 and the
European Standards EN 14625 and is certified according to EN 15267 Part 1 and 2.

Furthermore it is published by the German Umweltbundesamt
(Federal Environment Protection Agency) as being suitability tested.

More information:

Further information by the certificate holder about the certified product: The certificate holder has not provided further information about the certified product.
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Contact to the certificate holder: Thermo Fisher Scientific

Takkebijsters 1
4817 BL Breda