Air Monitoring 35 A simple and eff ective tool for fi ghting radon contamination
Over ten percent of cases of lung cancer are linked to an excess of exposure to radon, according to a report from the World Health Organisation. Radon (Rn) is present from a wide variety of natural and man-made sources. This odourless, colourless radioactive gas is the immediate decay product of radium resulting from the radioactive decay of uranium that takes place naturally in rock and soil. Hence all people are exposed to Rn in varying degrees.
Most Rn in indoor air comes from soil and is proving to be more of a hazard than levels of Rn in the drinking water supply. The level of Rn inside a building is largely determined by its location and whether the ground on which it is located has signifi cant levels of uranium present to create the gas. Once Rn reaches the open air, it will rapidly dissolve to a relatively harmless, low concentration. However, if it rises in to a home or commercial property, it can be trapped and build up to dangerous levels for people inside the building. The radioactive decay will then create alpha particles, which in turn can cause permanent damage to lung tissue. To combat this danger, Euro-Gas have developed the Radon SS, a unique, high performance phototransistor gas sensor capable of detecting a fi eld range of 0-65,000Bq/m3
levels, with a standard range of 1750pCi/l Rn. This user-friendly
technology can be easily integrated in portable and fi xed air quality and gas detection instruments and offers operators complete data for current and average Rn alpha particle concentration.
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Rain and precipitation measurement made easy, wherever and whenever its needed
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Rugged, precise and reliable gas conditioning system specifi cally designed for combustion analysis
The GD1 is an advanced, rugged and effi cient solution designed by Dado lab for stack emission sample conditioning in combination with portable or rack mounted analyzers. Also, GD1 is the lighter cooling solution based on compressor available on the market, weighs only 13 kgs, making it very easy to transport to the fi eld.
The use of the innovative inverter-based cooling system allows to modulate the high cooling capability according to the performance of the heat exchanger, especially designed by Dado lab for this application.
In addition to allowing a better system engineering, more effi cient and with very reduced weight and dimensions, the refrigeration system can also be used in conditions of high moisture content in the sample.
The intelligent electronic management continuously controls the temperature of the refrigerating bath, the value of which is shown on the display, and also controls the automatic activation of the sample suction pump when the set point is reached, thus avoiding accidental aspirations of condensate and protecting the connected automatic instruments. downstream.
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The RHD sensor from Sommer is a competitively priced, high precision, ultra- robust rain gauge instrument. It is a very low- power, maintenance-free and totally sealed acoustic instrument with no mobile parts. The sensing part of the instrument is a polished stainless-steel hemisphere supported by a strong stainless-steel arm.
Impact of raindrops or hailstones induces change in internal acoustic pressure. In addition to the rain intensity data, the distrometer function also provides information about the drop size distribution. If you need a solution for remote or tough to access areas and you do not have the manpower for regular checking/maintenance of your rain gauge then this is the perfect choice of sensor. It is also available as a “plug and play” station which includes data storage, data processing installation tools and enough power solution to be an autonomous station.
The instrument includes a dedicated analogue conditioning module, a digital I/O module and an analogue restitution module. It can therefore be connected to, or communicate conveniently with, almost any external analogue or digital central unit (data logger, industrial module interface, instrumentation DAQ, USB port). It features continuous or pulse analogue voltage outputs and supports SDI-12 communication, serial RS-232, and Modbus RTU RS485 (using an optional adapter).
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ilmt.co/PL/OKxk 52721pr@reply-direct.com
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56035pr@reply-direct.com World’s fi rst black carbon analyser capable
of taking real-time data directly on the sample fi lter Atmospheric Particulate Matter plays a key role in the atmosphere as particles are co-responsible for global climate change and adverse health effects.
In this context we created a methodology for the determination of concentration of Black Carbon offering the possibility to evaluate the “real time” BC concentration by means of non-destructive techniques.
Giano BC1 is a PMx 21 fi lters sequential sampler with built-in BC optical sensor for real-time measurement done directly on the fi lter under sampling. Since the particulate matter fractions are collected on classic 47mm fi lters, it’s also possible to make further analysis on the sample for chemical speciation.
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ilmt.co/PL/aGdr
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56034pr@reply-direct.com Dado lab GD1
dado lab introduces the smaller and lighter ue gas condi�oning system dedicated to AMS gas analyzers.
Developed to be a real portable solu�on, the GD1 weights only 13 kgs and is capable to manage efficiently samples with high humidity content, taking the dew point temperature down to 2±2°C.
GD1 is available as GD1-R version with single or double way for 19” rack instal- la�on in xed or portable CEMs congu- ra�ons
www.dadolab.com
info@dadolab.com
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