Air Monitoring - UK Focus xv Versatile and precise temperature and humidity
models added to leading digital range of sensors Austrian sensor manufacturer E+E Elektronik is expanding its digital sensing element portfolio to include two new product variants. The HTE301 humidity and temperature sensing element and the TEE301 temperature sensing element offer excellent measurement accuracy and a wide application temperature range from -40 °C to 125 °C (-40 °F to 257 °F). The small 8-pin DFN package with its I2C interface and four individually confi gurable I2C addresses is ideal for state-of-the-art, demanding designs.
The HTE and TEE301 sensing elements are part of the new sensing element generation by E+E Elektronik. Offering the same accuracy values, they are cost-optimised variants of the HTE and TEE501 sensing elements introduced earlier this year. With a different data format (16-bit unsigned integer) and pin assignment compared to the 501 series, the 301 series allows easy upgrade of existing applications with minimal integration effort.
The HTE301 sensing element impresses with a measurement accuracy of up to ±1.8% RH (incl. hysteresis) and ±0.2 °C. It features an integrated constant current heater which keeps the element at approx. 2-3 °C over-temperature and prevents condensation forming on the sensing element. This results in excellent measurement performance and fast response time even in conditions with high humidity. On top of this, the proprietary E+E sensor coating protects the active sensor surface of the HTE301 against contamination and corrosive deposits.
The TEE301 sensing element measures the temperature with an accuracy of up to ±0.2 °C. Thanks to its wide temperature range, the sensing element is versatile, providing a reliable and cost-effective solution for demanding temperature measurement tasks.
Both sensing elements are available as an 8-pin DFN package with dimensions of just 2.5 x 2.5 x 0.9 mm3 to support easy integration into existing applications. The I2C interface enables robust data communication, supporting communication speeds up to 1,000 kHz. The sensing elements offer four selectable I2C addresses as well as alert and reset functions.
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Precise, dependable and low-cost continuous dust monitoring
The DustScan Cloud is an affordable, real-time/continuous dust (PM10, PM2.5 and PM1) monitoring system for industry, ideal for construction sites. With very low power consumption and a solar-powered option, it combines innovative technology with exceptionally user-friendly operation for a complete, reliable, low- maintenance, energy-effi cient air quality monitoring solution.
The compact unit has been specifi cally designed to meet the criteria for fence-line monitoring as set out in the Greater London Authority Supplementary Planning Guidance ‘The Control of Dust and Emissions During Construction and Demolition’, the IAQM ‘Guidance on Monitoring in the Vicinity of Demolition and Construction Sites’, and the HS2 Code of Construction Practice.
The DustScan Cloud was developed by DustScanAQ and is based on the Praxis/Cube device manufactured in the UK by South Coast Science. Unlike other air quality monitor suppliers, DustScanAQ is also an air quality consultancy and provides support packages for customers including source apportionment, data interpretation, presentation and reporting as well as assessment and modelling services. It is this holistic approach to air quality monitoring that really differentiates the DustScan Cloud – not only do users benefi t from using a low-cost, low-maintenance, low-power unit to provide ongoing dust monitoring information, but they also receive the expert support needed to interpret and act upon the data generated.
“DustScanAQ has historically not had much involvement with real-time monitoring, as it has often simply been a ‘tick-box’ compliance exercise for many end users. However, monitoring applications are becoming more interesting and monitoring technologies more innovative. One of our core values at DustScanAQ is to continually innovate in the dust and air quality market, and we believe the DustScan Cloud will transform the PM monitoring experience and value for our clients, especially as we are able to provide continuing support and expert air quality advice that is not offered by most monitor suppliers.
We are also developing source apportionment capabilities using the DustScan Cloud, encouraging both site operators and regulators to move away from a tick-box mentality and help them better understand the potential sources of particulate matter on and around sites. We are very excited to be bringing the DustScan Cloud to the air quality monitoring market.”
Oliver Puddle: Technical Director, DustScanAQ More information online:
ilmt.co/PL/nRrn
Wind measurements for all weathers, seasons and conditions
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Widely recognised for their superior performance, the A100/W200 series wind sensors have been trusted by industry, research and weather agencies worldwide, with many Government Meteorological Agencies relying on these instruments for accurate wind data. These robust sensors have successfully delivered precise wind measurements even in the most severe weather conditions, including powerful typhoons and cyclones in recent years.
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The A100/W200 series wind sensors are made from highest-quality components and are engineered to yield better measurement accuracy, lower power-consumption, higher durability, and longer service life compared to other mechanical/ultrasonic wind sensors available in the market. Designed and manufactured with over 50 years of experience in wind sensor technology, the A100/W200 series has been optimized to outperform other wind measurement technologies in many meteorological applications while requiring minimal maintenance.
The wind sensors are available in special severe environment variants for applications exposed to corrosive atmospheres, salt/sea water, abrasive dust and extreme conditions. This solution provides a reliable and cost-effective alternative to other wind sensors, making it the go-to choice for all wind sensor needs.
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WWW.ENVIROTECH-ONLINE.COM
Windspeed Ltd manufactures the “Vector Instruments” brand A100/W200 series wind sensors; they have been engineered to deliver high accuracy, reliability, and durability for the wind energy industry. The sensors have been designed to perform and built to last, making them ideal for a variety of applications, including industrial, agricultural, road, rail, fi re, aeronautics, marine, military, research and general meteorology.
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