Environmental Analysis 29 Soil Moisture Plus Temperature Sensor The SM300 from Delta-T Devices (UK) measures soil moisture and temperature with research grade accuracy.
The SM300 offers outstanding performance in mineral, organic and saline soil conditions, and it is stable across wide ranges of temperature and salinity. The SM300’s construction uses industrial grade connectors and high specification materials throughout to produce a soil moisture sensor of outstanding quality. The built-in temperature sensor simplifies soil temperature measurement and achieves 0.5°C accuracy.
The SM300 minimises soil disturbance, preserving the original soil structure around the measurement rods. It is easy to insert and install whether at the soil surface or at depth. The SM300’s circular shape facilitates installation in augered holes – extension tubes are available.
The SM300 is a dual-purpose probe – it can be used both with the Delta-T HH2 hand-held Moisture Meter for instant moisture readings, or left in situ for data logging of moisture and temperature. The SM300 is compatible with all Delta-T data loggers; they provide cost effective solutions for recording up to 60 sensors. In fact the SM300 can be connected to most types of data logger (simple 0 to 1V DC output for water content).
Reader Reply Card no 80 New Wireless Sensors for Humidity, Temperature and CO2 EE240 wireless sensors from E+E Elektronik (Austria) are the ideal solution for high quality, wireless measurement of humidity, temperature
or CO2. With the introduction of state-of-the-art wireless data transmission, E+E Elektronik, the sensor specialist, is expanding its expertise into wireless sensor systems.
Up to three intelligent probes can be connected to each transmitter. Each probe operates independently and can be hot swapped. Remote probes allow the sensing head to be placed at a distance of up to 10m away from the transmitter. These features make the E+E wireless sensors especially suited for industrial applications that require sensors to be routinely recalibrated without affecting network operation. The measured values can be read directly off the display on the transmitter or read remotely using your web browser from any PC in the company network.
The base station features a digital Ethernet interface for effective connection to the network and data analysis. The integrated web server allows you to easily and individually configure the wireless sensor network from any PC without installing any software. The base station comes with four analog outputs for connection to your system controller.
A mobile measuring system with up to 500 transmitter stations can be built without having to install any wiring. In addition to this high degree of flexibility, coded bidirectional communication ensures completely secure data transmission.
The E+E wireless sensors conform to protection class IP65, making them suitable for use under demanding operating conditions as well as in outdoor applications. Wireless routers are available to expand the network and range or to bypass obstacles.
Reader Reply Card no 81
New Line of ISO Guide 34 Certified Reference Materials ULTRA Scientific (USA) launches new line of ISO Guide 34 Certified Reference Materials (CRM). ULTRAgold®
at ideal concentrations of 1000 and 10 ppm, for a complete line of inorganic standards REACH labeling incorporated into ULTRAgold® Reference Materials
Many laboratory accrediting bodies throughout the world now require the use of ISO Guide 34 CRM.
ISO Guide 34 Accreditation requires the CRM manufacturer to identify and document the major components of uncertainty of the CRM, including homogeneity, short-term stability, long-term stability and the uncertainty due to analytical characterization.
“ULTRA Scientific is always searching for new ways to better serve our customers. Launching ULTRAgold®
ISO Guide 34 Certified Reference Materials is but another example of the importance we place on maintaining our position in the industry as an innovative leader. We will never accept the status quo as we continue to build upon our long-term business partnerships,” stated John Russo, President.
Reader Reply Card no 82 New Handheld XRF Analyser
Bruker Elemental (USA) introduces the S1 TURBOSDR handheld XRF analyser for in-situ measurement of heavy metals and other restricted materials. The S1 TURBOSDR’s elemental chemistry reports provide fast and accurate results for many types of restricted materials screening, including all RCRA pollutant metals. Because the S1 TURBOSDR is portable (2 kg), the analyser can easily be taken to the job-site rather than collecting samples and transporting them to the laboratory. In fact, the S1 TURBOSDR is GPS compatible to allow for mapping the results.
Bruker’s S1 TURBOSDR uses X-Ray Fluorescence (XRF) for a quick and safe method of testing for heavy metals at contaminated
sites. With point-and-shoot ease, the S1 TURBOSDR makes the analysis fast and simple. The key to the success of the new S1 TURBOSDR handheld XRF analyser is Bruker’s XFlash®
Silicon Drift Detector (SDD) technology, which offers count rates and
resolution far superior to alternative SiPIN detector technology. The large solid angle and the high count rate capability of the industry-leading XFlash®
SDD allows the
user to take full advantage of the fluorescent radiation emitted from the sample, resulting in lower detection limits and shorter measurement times.
Reader Reply Card no 83 Reader Reply Card no 84
fulfills international need with ISO Guide 34 CRM ISO Guide 34 Certified
As technology improves and regulatory bodies keep pace by identifying new analytes, and setting lower detection limits and new regulatory requirements, certified reference material producers must stay ahead of the curve with better-characterised standards with validated and stated uncertainties.
August/September 2010 AET
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