New Pyranometer Comes with 99 Years of Experience


Eppley Laboratory Inc has been providing custom-built precision solar measurement solutions since 1917. Recently, they launched their new GPP Pyranometer.


Pyranometers are used to measure the total energy from the sun. When levelled in the horizontal plane, this is called global horizontal irradiance (GHI); when positioned in a plane of a PV array, it is called total irradiance in the plane of array (TPA). Inverted, a pyranometer is used to measure the refl ected or albedo irradiance (ALBEDO). A pyranometer can also be shaded from the direct beam of the sun to measure the diffuse horizontal irradiance (DHI).


With the same performance characteristics as the ISO 9060 Secondary Standard SPP Pyranometer, the GPP was custom built for the PV industry to provide an ideal solution to include in your weather station measurements at a fraction of the cost.


A Revolutionary Approach wto Data Acquisition


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Weather Monitoring 21 A Tip On Rain Gauging


HyQuest Solutions, part of the Kisters Group offer a wide range of quality tipping bucket (TB) rain gauges. There is a TB for every budget and application. A receiver of 200 or 300mm diameter collects the rainfall which is strained by a metal gauze before being passed to the TB’s measuring system. Tips of the bucket occur with each 0.1mm, 0.2mm, 0.5mm, 1.0mm or 0.01inch of precipitation collected and a reed switch produces a momentary contact closure signal for logging in data loggers or creating a display on rainfall counters.


Highly Accurate and Stable Pressure Sensor


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GE Measurement & Controls’ Druck RPS/DPS 8100 pressure transducer encompasses TERPS (Trench Etched Resonant Pressure Sensors) technology.


TERPS is a new silicon technology that offers unparalleled levels of accuracy and durability. TERPS utilises a resonating silicon pressure sensor which exploits the naturally occurring perfect elasticity of a single crystalline structure. W RPS/DPS 8100ith therefore has no imperfections, only perfect results!


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This instrument uses optimised resonator geometry facilitating operation in the toughest of environments, whilst maintaining stability of +/-0.1hPa/year, both in controlled environments and in the fi eld, thus meeting meteorologists’s specifi c criteria. The RPS/DPS 8100 series achieves and surpasses all the requirements set by WMO and FAA. GE technicians designed the pressure sensor to make sure that weather stations that use it are the best available. Apart from its unique customisation functionality, this is one of the very few sensors that incorporate TERPS technology and can attain +/-0.1hPa accuracy and +/-0.1hPa year stability.


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Calibration of Humidity and Temperature Instrumentation


NESA Srl have introduced an instrument that is ready to revolutionise the market for acquisition systems. Using decades of experience in embedded Linux open operating systems: NESA’s new, powerful datalogger, is the natural transition from their TMF series of dataloggers that revolutionised the world of data acquisition systems over ten years ago, to a more modern technology that has no equal in terms of performance and ease of use. It hails a second technological revolution in this fi eld.


Evolution is a modular, extremely accurate datalogger with a Linux operating system, Apache web server and PHP interpreter. It can be operated without any external and/or proprietary software, fully confi gurable via web, and customised with user scripts and programs that can be shared through the internet.


The highly adaptable Evolution has the most widespread and modern communication interfaces and an intelligent and automatic recognition of the connected sensors (both NESA and other manufacturers’); Acquisition, processing, programming, storage, alarm management, data processing and transmission are simple to carry out. Evolution is upgradable and expandable at any time through a wide range of extra functions, allowing operators to perform within the constraints of environmental legislation.


NESA Srl is always expanding its global sales network because of distributors and local representatives all over the world. Business has expanded in countries such as Iran and Pakistan, where local governments are investing heavily in environmental monitoring and upgrading old networks.


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Laboratory Precision for Meteorological Applications


• Calibration systems • Humidity generators • SCS 17025 accredited calibration service • Range of options to suit most budgets


• Transfer standards • High performance • Low uncertainty • Training and consultancy


To meet the target accuracy or uncertainty requirement specified by the CIMO guide, calibration uncertainty needs to be optimised. MBW supplies transfer standard hygrometers and humidity generators that in combination resolve low uncertainty calibration in the laboratory or on-site. Please visit our web site for more information, send us an email, or give us a call.


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REFLECTING YOUR STANDARDS 7775ad@reply-direct.com www.envirotech-online.com AET Annual Buyers Guide 2017


MBW Calibration AG Seminarstrasse 55/57 CH-5430 Wettingen Switzerland


Phone +41 56 437 28 30 Fax +41 56 437 28 40


www.mbw.ch sales@mbw.ch


SCS 0125 ISO/IEC 17025


ACCREDITED Visit us at MTWE Booth # 5060


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