TÜV NORD UMWELTSCHUTZ

Odour measurements

Odor measurements are used to determine the concentration of odorous substances in the air, often through olfactometry, which employs the human nose as a sensor. Samples are collected in odor-proof bags and analyzed in the laboratory to evaluate the intensity and frequency of odors, helping to prevent nuisances.

Our expertise in odour measurements

Measurements can be carried out within the

official monitoring or
for self-monitoring or for
determination of input data for forecasts

can be made.

Odour emissions are measured in accordance with the specifications of EN 13725. In addition to directional sources, we can also carry out measurements on active and passive area sources. The regulations of VDI 3880 and VDI 3884 Sheet 1 and DIN EN 15259 are also observed. The samples are analysed by test personnel at our locations in Essen and Hanover and, if required, also in suitable rooms on site.

How to reach us

The results of the measurements are summarised in the LAI measurement report in accordance with VDI 4220

The efficiency of flue gas cleaning systems is determined by balancing raw gas and clean gas measurements.
Odour immissions are recorded in the field by inspectors. In the grid measurement according to DIN EN 16841-1, the frequency of odour perceptions on site is determined over a longer period of time (six months/year). Annex 7 of TA Luft regulates the procedure for assessing odour immissions.
Plume measurements in accordance with DIN EN 16841-2 can provide information on the range of individual sources or systems. The influence of weather effects on immissions can be analysed.
Statements on hedonics and intensity of odours can be used for assessment. The procedure for determining these is carried out in accordance with VDI 3940, Sheet 3/4.
In addition, we offer meteorological measurements with an ultrasonic anemometer to describe the wind situation at a location in the study area.
The evaluation of the quality of indoor air to determine the reasonableness of a perceived odour impact is a further component of a holistic view of odour perceptions.
Analyses of odours from material samples using test chamber experiments are possible at the Essen site.

Get in touch with us

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Our competences

As an accredited measuring body in accordance with DIN EN 17025:2018 for the determination of odour emissions and odour immissions, we are at your disposal with our team of experts and trained test personnel. We are a notified body for measurements in accordance with §§ 26, 28 BImSchG for the test areas determination of emissions (air) (test area group I.1 identifier O) and determination of immissions of odours (test area group IV identifier O) in accordance with § 29b.

We are also involved in national standardisation committees for quality assurance and further development of measurements and forecasts and develop all devices for olfactometric sampling in-house. Our services are accredited by the German Accreditation Body - DAkkS. Details are available in the accreditation certificate D-PL-14334-01-00 at the following link: Accredited Bodies - DAkkS - German Accreditation Body.

Our accredited services:

Overview of services within the flexible scope of accreditation PDF - 493 KB