Certificate for the management system according to ISO 9001:2008


Our Company is certified to the ISO 9001:2008 standard within the scopes of development, production, consulting and sale of measurement technique, control engineering and aids for the blind.

Certificate of Product Conformity (QAL1) APM-2


The certified Comde-Derenda APM-2 is suitable for the continuous monitoring of the PM₁₀ and PM₂.₅ fractions in suspended particulate matter in ambient air (stationary operation). The suitability of the AMS (automated measuring system) for this application was assessed on the basis of a laboratory test and a field test at four different sites and periods of time.

Attestation of sound emissions according to EN ISO 3744:2010


Our environmental monitoring devices LVS, APM-2 und PNS 18T-DM were successfully tested by TÜV SÜD Industrie Service GmbH regarding their sound emissions according to EN ISO 3744:2010. The test results showed that all tested devices emit low levels of noise during operation. See the datasheets of the individual devices for the exact test results.