Please note that during the period from 20 Dec. 2021 until 03 Jan. 2022 you may not be able to contact us by telephone to the usual extent. We kindly ask you to send us orders, inquiries and other requests by e-mail during this period.
In 2021, the Air Pollution Monitor APM-2 has been tested according to EN 16450:2017 by TUV Rheinland. The required compliance tests have been successfully passed for the ambient temperature range from -15 °C to +40 °C. The certification committee has evaluated the test report positively and recommended an announcement in the Federal Gazette (Bundesanzeiger) for the second quarter 2022.
EAC 2021 Birmingham is- like EAC 2020 Aachen – an only virtual event because of the pandemic situation. We are happy to meet you at our booth in the expo area!
In March 2021, the suitability of APM-2 for continuous ambient air quality monitoring for the fractions PM10 and PM2.5 both in the measuring range 0 to 1,000 μg/m³ according to the MCERTS Performance Standards has been confirmed. You can download the full version of the certificate here.
On May, 13, 2020, the Laboratoire Central de Surveillance de la Qualité de l’Air (LCSQA) attested the conformity of our sampling system PNS 18T-DM for the gravimetric method for determination of concentrations of airborne suspended particulate matter of the fractions PM10 and PM2.5 as well as measurement of the mass concentration of the heavy metals arsenic (As), cesium (Cs), nickel (Ni) and lead (Pb), and polycyclic aromatic hydrocarbons (especially benzo[a]pyrene) in the PM10 fraction.The sampling system can now be found on the list of compliant devices for official measurement on air quality in France. In France, our long-time partner Envicontrol looks forward to answer questions on all issues related to the PNS 18T-DM and gladly gives advice to all our devices from the field of environmental monitoring.
At the end of December 2019, our Chinese subsidiary Comde-Derenda (Wuxi) Measuring Technologies Co. Ltd. was certified for occupational health and safety management according to ISO 45001:2018. The certification confirms the compliance with the management system for health and safety management which is specified by the directive. Aware of its social responsibility, Comde-Derenda Wuxi highly values health protection and safety at work. Therefore occupational safety and health concepts are integrated in all manufacturing processes and business structures. Active implementation of various measures like regular training programs, planning optimization and consolidation of process management as well as raising the awareness and responsibility for health protection and safety issues of all employees helped to continuously enhance the working environment. In the future, Comde-Derenda will furthermore work on the constant improvement of manufacturing processes and the reduction of risks of injury, accidents, and work-related illnesses to optimize the sustainability of all products.
After establishing a company-wide environmental management system according to the regional standards of Brandenburg, Comde-Derenda GmbH gained the certificate “Brandenburger Umweltsiegel“ at the beginning of November 2019. The certification is awarded in the context of the environmental network “Umweltpartnerschaft Brandenburg”. An important goal of the environmental management system is to reduce the usage of energy and materials and to ensure a careful handling of resources by structured working methods. It should also train all employees for a better perception of relevant environmental aspects and establish a responsible handling of materials and their disposal. Mr. Claus Heuberger from the Brandenburg Ministry for Rural Development, Environment and Agriculture presented the certification on 07th November on the company site. The IHK Potsdam was also taking part. For Comde-Derenda GmbH, the successful introduction of environmental management meant an important step towards a more sustainable production process. In the future, all company departments will further optimize their handling of relevant environmental topics and consistently pursue the aim of the greatest possible environmental friendliness.
In August, the certification of suitability according to EN 15267 for the Air Pollution Monitor APM-2 has been extended. The current certificate of TUV Rheinland can be found here. Please find the full report on https://qal1.de/15267/0000040336_01_comde_derenda_APM2_en.pdf.
This year, Comde-Derenda GmbH is taking part in the exhibition “Reha for the Blind in Poland” in Warsaw for the first time. The exhibition is taking place since 1999, this year it is held under the banner “Virtual Warsaw – a city friendly for the blind”. In the Idol competition, exhibitors, media, authorities, schools and education centers and representatives of the community will be honored for their work for the visually impaired. In the course of the competition, Comde-Derenda presents its children’s canes. About 3,000 visitors from many different countries all over the world are expected. The exhibition is accompanied by other events also in other cities in Poland. Date: 21st – 23rd October 2019 Venue: Copernicus Science Center and Cardinal Stefan Wysynski University Warsaw (23-10-2019) Info: Reha for the Blind in Poland 2019
Comde-Derenda GmbH takes part in the European Aerosol Conference again this year. The conference will take place from 25th to 30th August 2019 in Gothenburg on the exhibition site. Thematically, the biggest European exhibition covers many areas, for example combustion aerosols, chemistry and physics of aerosols, health aspects, indoor and ambient aerosols, nanotechnology and a broad exhibition of measurement and monitoring devices. A detailed program and further information can be found here. Comde-Derenda GmbH presents the new automatic weighing system for environmental monitoring, the AWS-1RE, with fully RFID-aided data handling. We also show the current version 4 of our dust sampler PNS T-DM, as well as other devices of our product lines. We are looking forward to welcome you at our booth. Date: 25th – 30th August 2019 Venue: Exhibition and Congress Center, Korsvägen, Gothenburg Booth number: 11
On 9th of July 2019, a top-ranking Chinese delegation under the direction of the Chairman of the Hebei Provincial Committee of the CPPCC, Mr. Dongsong Ye, visited Comde-Derenda GmbH. At the production site in Stahnsdorf, they were introduced to the company and learned about development and manufacturing of the company’s devices in the field of environmental monitoring. Mr. Ye was accompanied by other members of the Hebei Provincial Committee, inter alia Mr. Weimin Qi, Director-General of the Research Office, Mr. Jing An, Deputy Director-General of the Department of Commerce of Hebei Province and Mr. Lei Cheng, Deputy Director-General of the Foreign Affair’s Office of the People’s Government of Hebei Province. Representatives of the Brandenburg state chancellery and of the Wirtschaftsförderung Brandenburg accompanied the delegation. At the company premises, the managing directors of Comde-Derenda GmbH, Norbert and Haro Derenda, took the visitors on a tour through the production site first. The different devices, manufactured in Stahnsdorf, like a SPM sampling system, an online monitoring device of the APM series and automatic and manual weighing systems were shown in a small exhibition. Afterwards, the company owner, Mr. Norbert Derenda, held a presentation about the company’s history and development focus in environmental monitoring. […]
On Friday 28/06/2019, the remains of the Morandi bridge which collapsed last year in August have been blasted. Many water cannons were on the job to lower the massive dust formation. Our partner Orion was entrusted to provide online devices to monitor and record emissions of particulate matter during and after the explosion. Therefore, they were on site with some of our APM-2 devices. For further information and video of the blast, see The Guardian.
Comde-Derenda Wuxi has been tasked to carry out comparison measurements of PM1 concentration for the “Blue Sky” campaign of the China National Environmental Monitoring Center (CNEMC). By means of those measurements, basic data for the development of PM1 standards and limit values is retrieved. At the same time, data concerning the comparability of measurement results with regard to geographical characteristics and the application of different measurement methods is gathered. Particularly, comparative studies between manual and automatic measurement of fine particulate matter are needed. Results are taken into consideration for technical standards and directives. The first period of pilot PM1 comparison tests took place from October 2017 to January 2019. According to the current directives HJ618 and HJ656, Comde-Derenda has installed measurement stations in six cities (Beijing, Shanghai, Guangzhou, Wuhan, Chongqing and Lanzhou). At each station, measurements have been carried out for each 30 days in all four seasons. As measurement device for manual fine particulate matter measurement, the Low Volume Sampler LVS of Comde-Derenda GmbH has been used. The real-time monitoring devices within the comparison worked with the beta ray attenuation method as well as TEOM method (Tapered Element Oscillating Microscale) and scattered light method (nephelometry). Comde-Derenda Wuxi is responsible […]
The 17th China International Environmental Protection Exhibition and Conference (CIEPEC 2019) will be hold in June 12 – 14, 2019 in China International Exhibition Center in Beijing. As a professional manufacturer of environmental monitoring instruments, Comde-Derenda Wuxi we will take part in the exhibition. We are presenting various automatic devices for suspended particulate matter (SPM) sampling as well as online monitoring. We show our portable online air pollution monitor (APM-2) and a small automatic air quality monitoring station (APM-6), as well as our automatic weighing system. And as the SPM manual comparison service provider for Chinese National Environmental and Air Monitoring Network, we inform about our related projects. CIEPEC, started in 1986, is the oldest and the most prestigious comprehensive international environmental show in China. For 30 years, CIEPEC has witnessed the development of Chinese environmental protection industry, displayed development level of environmental protection technology, equipment and service in China and over the whole world, become a well-known communication and cooperation platform for international environmental protection industry. We are looking forward to your visit and hope to share lots of useful information and experiences. Exhibition Info: Date: June 12-14, 2019 Venue: China International Exhibition Center 6 East Beisanhuan Road, Chaoyang […]
The automatic sampling system PNS 16T-DM of the PNS family of Comde-Derenda recently got the marketing authorization for the Korean market. After an invitation to the important Korean exhibition for environmental protection ENVEX, the marketing authorization means a further step on the Asian market. Our subsidiary in Wuxi, founded in 2016, serves the markets of Vietnam, Malaysia, Thailand, Indonesia and Korea and many other countries, together with its distributors. It is also the main contact for customers in the United States of America and Australia.
At the beginning of May, we take part again in SightCity in Frankfurt am Main. At our stand C6, Pierre Klein and other colleagues look forward to inform you about our various products. Of course, everything can be tested and tried out. Our sub-exhibitors of feelspace GmbH present their naviBelt, a tactile orientation aid. At SightCity, more than one hundred exhibitors show versatile aids for the blind and the visually impaired. A diverse program of informative lectures on aids and services for the blind and on medical advances in the field will round off the exhibition. SightCity 2019 will take place from 8th to 10th May 2019 at the Sheraton Frankfurt Airport Hotel, located at the Frankfurt/Main international airport. The visit is free of charge. We look forward to your visit! Date: 08 – 10 May 2019 Venue: Sheraton Frankfurt Airport Hotel Info: SightCity 2019