UWT’s new generation radar level sensor for challenging applications in liquids – Nivo Radar® NR8000 unveiled.

UWT – the experts for all types of level measurement technology, regionally and globally since 1977. With around 190 employees worldwide, the company stands for level measurement, point level detection technology and partnership at the highest level.

UWT offers the perfect solution for every application and places collaboration on an equal footing. As ‘The Level Company’ we provide level measurement expertise at the highest level and build on three solid pillars:

· Technology – Thanks to the latest eTools and end-to-end digitisation, UWT offers simple and fast product selection, configurations and commissioning based on the plug & play principle as well as easy operation. This extends to innovative device communication via sensors during operation.

· Performance – The superior quality and reliability of the UWT products and their robust design – made in Germany – ensure top performance during ope-ration. All our measuring devices are durable, resource-saving and maintenance-free – with a 6-year guarantee.

· Partnership – With an international sales network in over 70 countries and personal contacts on site locally, UWT stands for a sustainable partnership at eye level. Committed and satisfied employees and a great team spirit ensure that UWT feels like a family – inside and out.

UWT India – Your local level measurement experts

UWT Level Control India Pvt Ltd is the fully owned subsidiary of UWT GmbH, which was founded in 2012 to cater for the level measurement requirements of the Indian subcontinent market. Apart from Indian customers and users, we also serve our neighbouring countries, such as Bangladesh, Nepal, Bhutan and Sri Lanka.

The entire UWT product range is available for purchase from UWT India, and our customers have a wide range of products to choose from to suit their individual requirements.

Our warehousing facility is centrally and strategically located at Gurgaon, with the Indian HO in Delhi, to connect with all customer locations pan India and adjacent countries for seamless and fast deliveries. Our customers also benefit from our highly professional staff who are all very experienced in the field of level measurement. Due to the extensive industry application knowledge of our Technical Sales Advisors and skilled Service Engineers they can understand and deliver customer requirements correctly and in time.

Sales-marketing offices are in Delhi, Pune, Mumbai, Kolkata, Chennai, Hyderabad and Vadodara to serve the local customers more effectively and promptly. Also, a strong network of experienced Authorised Partners throughout India further strengthens the sales, distribution and after sales operations. With UWT's worldwide proven products and solutions and our expertise in bulk solid and liquid level monitoring, measurement and control, UWT-India has already achieved a strong, consistent and loyal customer base of End-users, EPCs and OEMs. Industry leaders from a wide variety of industries, e.g., chemical, cement, food & beverage, rubber, environment, power, synthetics, animal feed, metal, glass as well as material handling industry sectors value our consistent quality, reliability and our holistic customer orientation.

New radar level sensor Nivoradar® 8000

With the different antenna versions and process connections the new radar series is suitable for a wide variety of applications, from dry solids to aggressive liquids.

Easy operation & diagnostic – With the use of the UWT LevelApp the commissioning is easy and time saving. Additionally, the new series can be configured on site with the plug on display NivoPlug or remotely with PACTware and UWT DTM.

Most reliable measurement results – The 80 GHz technology with narrow beam angle ensures reliable measurements even in challenging applications without re-adjustment.

Temperature and pressure resistant – Suitable for process temperature up to 450C and 160 bar of pressure the new radar series is ideal for harsh environments.

Suitable for hazardous areas – SIL certified and approved for use in Gas Zone 0/1 and Dust Zone 20/21 the new radar series is suitable where safety is crucial.

Individually configurable – Thread, flange or hygienic connection, low or high temperature, plastic or stainless steel – the new radar series meets every customer requirement.

UWT Level Control India Pvt Ltd. Email: info.in@uwtgroup.com, ravinder.singh@uwt-india.com

More Electricity from the Sun

Comes with the different antenna versions

A coating of solar cells with special organic molecules could pave the way for a new generation of solar panels. As a research team reports in the journal Angewandte Chemie, this coating can increase the efficiency of monolithic tandem cells made of silicon and perovskite while lowering their cost – because they are produced from industrial, microstructured, standard silicon wafers.

In solar cells, light “knocks” electrons out of a semiconductor, leaving behind positively charged “holes”. These two charge carriers are separated from each other and can be collected as current. Tandem cells were developed to better exploit the entire spectrum of sunlight and increase solar cell efficiency. Tandem cells are made of two different semiconductors that absorb different wavelengths of light. Primary contenders for use in this technology are a combination of silicon, which absorbs mostly red and near-infrared light, and perovskite, which very efficiently uses visible light. Monolithic tandem cells are made by coating a support with the two types of semiconductor, one on top of the other. For a perovskite/silicon system, this is usually achieved by using silicon wafers that are produced by the zone melting process and have a polished or nanostructured surface. However, these are very expensive. Silicon wafers produced by the Czochralski process with micrometer-scale pyramidal structural elements on their surfaces are significantly cheaper. These microtextures result in better light capture because they are less reflective than a smooth surface. However, the process of coating these wafers with perovskite results in many defects in the crystal lattice, which affect the electronic properties. Transfer of the released electrons is impeded, and electron-hole recombination increasingly occurs through processes that do not emit light. Both the efficiency and the stability of the perovskite layer are decreased.

Headed by Prof. Kai Yao, a Chinese team at Nanchang University, Suzhou Maxwell Technologies, the CNPC Tubular Goods Research Institute (Shaanxi), the Hong Kong Polytechnic University, the Wuhan University of Technology, and Fudan University (Shanghai) has now developed a strategy for surface passivation that allows the surface defects of the perovskite layer to be smoothed out. A thiophenethylammonium compound with a trifluoromethyl group (CF3-TEA) is applied by a dynamic spray coating process. This forms a very uniform coat – even on microtextured surfaces.

Due to its high polarity and binding energy, the CF3-TEA coating very effectively weakens the effects of the surface defects. Nonradiative recombination is suppressed, and the electronic levels are adjusted so that the electrons at the interface can be more easily transferred to the electron-capturing layer of the solar cell. Surface modification with CF3-TEA allows perovskite/silicon tandem solar cells based on common textured wafers made of Czochralski silicon to attain a very high efficiency of nearly 31% and maintain long-term stability.

https://onlinelibrary.wiley.com/page/journal/15213773/homepage/press/202411press.html

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