Environmental Monitoring

Environmental Monitoring

We offer comprehensive solutions in the field of environmental monitoring, especially in the area of particulate matter monitoring.

Product overview

Sensors

Sensors

We are specialists in pressure and gas density measurement, with special focus on SF6 monitoring.

Product overview

White Canes

White Canes

The Comde-Derenda white cane - your reliable companion with a large variety of cane tips to choose from.

Product overview

News

13.08.2019 | European Aerosol Conference 2019 in Gothenburg

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      

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15.07.2019 | A delegation from Hebei province visited the Comde-Derenda GmbH in Stahnsdorf

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. […]

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08.07.2019 | Our partner Orion provides APM-2 devices to monitor emissions of particulate matter during the blasting of the Morandi bridge in Genoa

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.    

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12.06.2019 | Pilot measurement comparisons for determination of the PM1 concentration for the “Blue Sky” campaign of the China National Environmental Monitoring Center successfully completed with participation of Comde-Derenda Wuxi

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 […]

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20.05.2019 | Comde-Derenda Wuxi cordially invites you to CIEPEC 2019

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 […]

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Exhibitions & Dates

20.05.2019 | Comde-Derenda Wuxi cordially invites you to CIEPEC 2019

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 […]

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08.04.2019 | SightCity 2019 – International Exhibition for Aids for the Blind

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

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12.03.2018 | SightCity 2018 – International Exhibition for Aids for the Blind

As in preceding years, you will find us at SightCity, the world‘s biggest exhibition for aids for the blind and the visually impaired. The exhibition features numerous exhibitors from around the world showing a wide range of products for the blind and visually impaired. There will also be a diverse program of informative lectures on aids and services for the blind and on medical advances in the field. SightCity 2017 will take place from 25th to 27th April 2018 at the Sheraton Frankfurt Airport Hotel, located at the Frankfurt/Main international airport. Pierre Klein, Carsten Bey and colleagues from Comde-Derenda look forward to meeting you at booth C6.Date: 25 – 27 April 2018Venue: Sheraton Frankfurt Airport HotelInfo: SightCity 2018

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06.02.2018 | White Canes – New prices from April 25, 2018

After we were able to keep our prices stable for many years, this year on April 25, 2018, we are forced to raise the selling prices of some of our white canes, cane tips, and accessories. This is due to the increase in purchase prices and personnel costs. We hope to compensate our longtime customers for this circumstance by the high quality of our products and our focus on their individual needs. If you have any questions about the price increases, feel free to contact us at any time. Prices 2018  

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24.08.2017 | EAC 2017 – European Aerosol Conference

The European Aerosol Conference offers a wide range of topics, lectures and working groups for scientists and engineers from all over Europe. Comde-Derenda will again be participating, we look forward to meeting you. EAC 2017 will take place in Zürich (University of Zürich, Campus Irchel) from 27 August to 1 September.

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Industry News

13.08.2019 | European Aerosol Conference 2019 in Gothenburg

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      

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08.07.2019 | Our partner Orion provides APM-2 devices to monitor emissions of particulate matter during the blasting of the Morandi bridge in Genoa

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.    

Read More

12.06.2019 | Pilot measurement comparisons for determination of the PM1 concentration for the “Blue Sky” campaign of the China National Environmental Monitoring Center successfully completed with participation of Comde-Derenda Wuxi

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 […]

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22.01.2019 | Comde-Derenda Wuxi wins tender for an important project of China National Environmental Monitoring Center (CNEMC)

Comde-Derenda (Wuxi) Measuring Technologies Ltd., hereafter mentioned as Derenda, has won significant package of the Tender published by CNEMC (China National Environmental Monitoring Center) in National Environmental and Air Monitoring Network: Municipal Air Automatic Monitoring Station Operation and Protection Project. This will entitle Derenda to inspect and examine Measurement of PM2.5 (with Derenda Devices). Seen as an important measure in the “Blue Sky” campaign, National Environmental and Air Monitoring Network: Municipal Air Automatic Monitoring Station Operation and Protection Project is implemented in 1436 stations operated by the state and will be executed until end of 2021, making the project duration three years. In the coming three years, Derenda will tour in 17 provincial level entities, including but not limited to Beijing and Tianjin, to execute authorized measurement as inspection and examining of PM2.5 values in 188 cities, which have state owned measuring stations. A renowned manufacturer of measuring devices for particulate matter gravimetric sampling and online monitoring, Derenda offers quality products and service based on our technological competence, among which are high precision mechanical filter changing technology, industrial flow rate variation controlling technology and digital filter handling with RFID and automatization technology as well as integration of cloud technology in […]

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21.01.2019 | Concentration of fine particulate matter: Fraunhofer-Institut uses APM-2 for measurements

In the context of news concerning the diesel affair,  the German TV channel ARD reported in a television broadcast called „Das Diesel-Desaster“. Within this report, Prof. Matthias Klingner and his team of Fraunhofer-Institut measured the concentration of fine particulate matter at Neckartor in Stuttgart using the APM-2. You can find the report in the media library of ARD (measurement report starting at 14:10 in the broadcast).

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