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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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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Marketing authorization for automatic sampling system in Korea

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.

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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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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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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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Comde-Derenda Wuxi passed ISO 9001:2015 Quality Management System Certification

In September 2018, Comde-Derenda Wuxi has successfully passed GB/T 19001-2016 / ISO 9001:2015 Quality Management System Certification. The Chinese subsidiary of Comde-Derenda GmbH Stahnsdorf had already been certified according to ISO 9001:2008 and now renewed its certification according to the new standard.Since its foundation, Comde-Derenda Wuxi has continuously strengthened internal process optimization, enhanced service awareness, and steadily improved the development and production of products.The quality management systems standard specified in ISO 9001 is one of the most widely used management tools in the world and is used by more than 1,000,000 companies in 161 countries and regions. It is designed to help companies organize processes, enhance performance, improve internal communication, meet customers needs while complying with legal requirements at the same time and therefore increase customer satisfaction. 

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Comde-Derenda participates in a delegation’s visit and presents technological trends in China

In order to intensify and consolidate the Sino-German economic relations, the Prime Minister of the State of Brandenburg Dietmar Woidke visited Beijing and the province of Hebei together with representatives of leading companies and research institutes in September 2018.The General Manager of Comde-Derenda Wuxi, Mr. Nan Deng, spoke at a conference on Green Technologies in Hebei and presented online measuring systems (Air Pollution Monitors – APM), sampling systems (PNS) and weighing systems from our range of products. As a special focus, he described the integration of RFID technology to preserve data consistency during the entire process of particulate matter measurement.Apart from various other research institutes and air quality measurement networks, the China National Environmental Monitoring Center (CNEMC) uses Low Volume Samplers (LVS), sampling systems, APMs and automatic weighing systems (AWS) manufactured by Comde-Derenda. The subsidiary in Wuxi is partner not only for China but for the whole Asia-Pacific area and America.    

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Economics Minister Gerber and Mayor Albers visited Comde-Derenda GmbH

As part of a regional tour to leading companies in the district of Potsdam-Mittelmark, the economics minister of Brandenburg Albrecht Gerber visited our company on August 15, 2018. The minister was accompanied by the mayor of Stahnsdorf Bernd Albers. The two politicians joined company founder Nobert Derenda and COOs Haro Derenda and Lutz Triebeneck for a walk across the company premises. Both visitors got an overview of the divisions, products and manufacturing sites and talked about the support of research projects as well as development activities and about future delegation trips. Both guests commended Comde-Derenda GmbH’s entrepreneurial courage and ability to innovate.  

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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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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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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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CIEPEC 2017-China International Environmental Protection Exhibition & Conference

Comde-Derenda cordially invites you to CIEPEC 2017 in Beijing. Dating its history back to 1986, CIEPEC is the oldest and most influential event in the Chinese environmental industry. Featured by the leading companies of the industry, CIEPEC is a platform, which showcases the current products and service as well as reveals the related policies of China in environmental field, the market preferences and tides of the environmental industry. Comde-Derenda takes this opportunity to present a whole new cloud solution based on IoT Platfrom, including automatic filter changing systems, automatic filter weighing systems, low volume samplers, online air pollution monitors as well as portable measuring and analyzing kits for particulate matters. Deng Nan of Comde-Derenda Wuxi and Norbert Derenda of Comde-Derenda GmbH look forward to seeing you in Beijing at CIEPEC. Exhibition Info: Exhibition Stand of Comde-Derenda: Hall 3, International Hall, 3217-3222 Exhibition location: China International Exhibition Center, Beijing 6 N 3rd Ring Rd E, Chaoyang Qu, Beijing, China Exhibition schedule: 13th-16th June, 2017

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SightCity 2017 – 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 3rd to 5th May 2017 at the Sheraton Frankfurt Airport Hotel, located at the Frankfurt/Main international airport. Pierre Klein, Eva Krusat and colleagues from Comde-Derenda look forward to meeting you at booth C6.Date: 3 – 5 May 2017Venue: Sheraton Frankfurt Airport HotelInfo: SightCity 2017 

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Middle East Electricity 2017 – Power Industry Trade Fair

Middle East Electricity, one of the largest international trade events for the power industry, will take place 14th to 16th Feb. 2017 in Dubai (UAE). The event covers the generation, transmission and distribution of electricity, the renewable and nuclear energy sectors and the lighting industry. Over 1500 international exhibitors and thousands of decision makers from more than 130 countries will be participating. Our Lutz Triebeneck and Carsten Bey look forward to meeting you in Dubai (Zabeel Hall 2, Stand Z2.H51).Date: 14 – 16 February 2017Venue: Dubai World Trade Centre, UAEInfo: Middle East Electricity 2017

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Sound Pressure Tests 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.

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