Sensors & Transducers Journal (S&T e-Digest) (ISSN 1726-5479) |
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Vol. 100, No. 1, January 2009
Table of Contents |
Journal's CD 2008:
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EDITORIAL
International Frequency Sensor Association (IFSA) Celebrates the 10th Anniversary
by Sergey Y. Yurish, pp.I-XII
[Abstract and Full Page Article Download]
RESEARCH ARTICLE
1. A Log Amplifier Based Linearization Scheme for Thermocouples
by Nikhil Mondal, A. Abudhahir, Sourav Kanti Jana,Sugata Munshi and D. P. Bhattacharya, pp.1-10
[Abstract and Full Page Article Download]
2. Uncertainty Analysis of Thermocouple Circuits
by B. Vasuki, M. Umapathy, S. K. Velumani, pp.11-15
[Abstract and Full Page Article Download]
3. Calibration System for Thermocouple Testing
by Dragan R. Milivojevic, Visa Tasic, Marijana Pavlov, Zoran Andjelkovic, pp.16-26
[Abstract and Full Page Article Download]
4. Embedded Processor Based Automatic Temperature Control of VLSI Chips
by Narasimha Murthy Yayavaram, Saritha Chappidi, Sukanya Velamakuri, pp.27-44
[Abstract and Full Page Article Download]
5. Field of Temperature Measurement by Virtual Instrumentation
by Libor Hargaš, Dušan Koniar, Miroslav Hrianka, Jozef Čuntala, pp.45-50
[Abstract and Full Page Article Download]
6. Analyzing Electroencephalogram Signal Using EEG Lab
by Mukesh Bhardwaj and Avtar. K. Nadir, pp.51-57
[Abstract and Full Page Article Download]
7. New Aspects in Respiratory Epithelium Diagnostics Using Virtual Instrumentation
by Dušan Koniar, Libor Hargaš, Miroslav Hrianka, Peter Bánovčin, pp.58-64
[Abstract and Full Page Article Download]
8. A PC-based Technique to Measure the Thermal Conductivity of Solid Materials
by Alety Sridevireddy, K. Raghavendra Rao, pp.65-71
[Abstract and Full Page Article Download]
9. A New Wide Frequency Band Capacitance Transducer with Application to Measuring Metal Fill Time
by Wael Deabes, Mohamed Abdelrahman, and Periasamy K. Rajan, pp.72-84
[Abstract and Full Page Article Download]
10.A Novel Hall Effect Sensor Using Elaborate Offset Cancellation Method
by Vlassis N. Petoussis, Panos D. Dimitropoulos and George Stamoulis, pp. 85-91
[Abstract and Full Page Article Download]
11.A Review of Material Properties Estimation Using Eddy Current Testing and Capacitor Imaging
by Mohd. Amri Yunus, S. C. Mukhopadhyay and G. Sen Gupta, pp.92-115
[Abstract and Full Page Article Download]
by Smita Singh, Rajneesh K. Verma and B. D. Gupta, pp.116-124
[Abstract and Full Page Article Download]
13.Increasing of Excursion Range of Absolute Optical Sensors Intended for Positioners
by Igor Friedland, Ioseph Gurwich, Amit Brandes, pp.125-136
[Abstract and Full Page Article Download]
by L. W. Chang, P. S. Wu, J. T. Lue and Z. P. Chen, pp.137-145
[Abstract and Full Page Article Download]
15.Classification of Fiber-Optic Pressure Sensors with Amplitude Modulation of Optical Signal
by Vladyslav Kondratov, Vitalii Redko, pp.146-160
[Abstract and Full Page Article Download]
NEW e-BOOK
Laboratories of Instrumentation for Measurement
by Maria Teresa Restivo, Fernando Gomes de Almeida, Maria de Fátima Chouzal, Joaquim Gabriel Mendes, António Mendes Lopes, pp.161-163
[Abstract and Full Page Article Download]
PRODUCT NEWS
Ground-Isolated Pressure Sensor
The use of highly-sensitive piezoelectric combustion pressure sensors with built-in ground isolation can largely avoid the effects of electrical interference. The isolation of the sensing element prevents the generation of noise currents and allows interference-free measurements, even if potential differences exist between the engine and the measuring system. The new Kistler Type 6125C is the third generation of a combustion pressure sensor with built-in ground isolation. The use of a new Kistler PiezoStar crystal has made it possible to increase the sensitivity to –37 pC/bar and the pressure range to 300 bar. This innovative sensor ensures precise and reliable measurement data even under noisy testing conditions ...
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Kistler Group Eulachstrasse 22 8408 Winterthur Switzerland Tel. +41 52 2241111, fax +41 52 2241414 E-mail: public.relations@kistler.com |
Torqing Sense for Process Plant Control
These sensors are tracking every little change in the plant’s operating parameters, indictative of either the state the materials being worked or of the state of the machinery itself. For instance an increase in torque on a mixer drive may suggest that a mixture within is thicken up as expected, or alternatively that a seal or bearing is sticking and may soon fail altogether: either way this is vital information for the central computer to capture and assess. The TorqSense unit emits a low powered radio frequency signal towards the combs, which reflect it back to the TorqSense. The reflected signal comes back at a changed frequency, the change being propotional to the distortion of the combs, and thus to the torque in the drive shaft ...
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Fiona Braithwaite Sensor Technology Ltd. 68 Heyford Park, Upper Heyford, BICESTER, OX25 5HD Tel: +44 (0)1869 238400 Fax: +44 (0)1869 238401 E-mail: stlsales@sensors.co.uk |
NOSHOK'S 100 Series Mechanical Pressure Switch is the ideal choice when reliability, accuracy and cost efficiency are a priority. Constructed of a solid one-piece housing, this switch is highly durable for use in the most rugged applications, and its compact design allows installation where space is limited. Utilizing a proven diaphragm-type sensing element, the 100 Series Switch has an external adjustment screw for ease of setting the switching point on-site. Special versions are available with the alternate diaphragm, housing and contact materials to meet a variety of applications ...
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Sheryl Pritt, Marketing Specialist NOSHOK, INC. 1010 West Bagley Road Berea, Ohio 44017, USA Tel.: 440-243-0888 x220, fax: 440-243-3472 E-mail: spritt@noshok.com |
Cost Effective Airflow Sensor For Embedded Applications
Degree Controls, Inc. is pleased to announce the release of its Pulse Airflow Sensor, the F600. This cost effective air velocity sensor is designed for boardmounted and embedded applications where in-situ airflow sensing is required. The F600 provides rapid response to fan failure or airflow blockage prior to component temperature rise and subsequent failure. It is ROHS Level 6 compliant to meet emerging “green” standards and is designed to comply with NEBS requirements ...
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Kim Whitten, Marketing Assistant Degree Controls, Inc. 257 Simarano Drive Marlboro, MA 01752 USA Tel.: 508-460-1400, fax: 508-460-7979 E-mail: kim.whitten@degreec.com |
Sapphire Window Optical Process Probe
The SWOPP03C Sapphire Window Optical Process Probe, from Celsum Technologies, is a robust transmission probe with a 600 micron internal glass fibre and a SMA 905 standard optical connector. The SWOPP03C probe has an extended profile, to be compatible with earlier generations of probe, and has a polished sapphire lens sealed into the type 316 stainless steel body, to give an essentially chemically inert, abrasion resistant interface to the material under test. The integral SMA 905 connector allows the probe to be screwed into the transducer port on the processing line before connection to the fibre optic cables, thus easing in-service removal and insertion into existing installations ...
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Roy E. Carter Managing Director Celsum Technologies Ltd. 49 Oxford Street, Leicester LE1 5XY, United Kingdom Tel: +44-(0)116 207 8807, fax: +44-(0)870 120 9370 E-mail: roy@celsum.com |
Displacement Laser Sensors Provide Ultra-High Accuracy Measurement
The new Optex FA CD5 series laser displacement sensors provide the ultimate in non-contact measurement sensing for all types of surfaces from mirrored reflective silicone wafers to low-reflective black rubber. Optex FA’s newly developed “Tri-CORE” technology with digital sub-pixel processing, high resolution electronic shutter and triple compensation/optimizing provides precise and stable measurement of any materials including glass and steel. Nine models of diffuse reflective sensing heads are available for sensing distances up to 2 meter. Standard diffuse types with both narrow and wide beam are available in 30 mm and 85 mm distances. Three long distance sensor heads featuring the wide beam spot are available in ranges of 350 mm, 500 mm and 2 meter ...
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Mike Gunn Optex FA US Sales Division c/o Ramco Innovations 1207 Maple Street West Des Moines, Iowa 50265 Tel.: (800) 280-6933 E-mail: mgunn@ramcoinnovations.com |
Handheld Vibration Analyzers now Run Twice as Fast
Datastick® VSA(TM) Vibration Spectrum Analyzers - used in machine-condition monitoring and predictive maintenance - now operate twice as fast, due to new version 1.9.1 of the Datastick® Spectrum suite of software that runs on the handheld analyzer, announced Michael Scandling, Vice President of Marketing for Datastick Systems, Inc. The free software upgrade is available for download today. Datastick Spectrum software runs on the handheld computers (PDAs) that integrate with its ultra-portable VSA-series analyzers. Vibration analyzers help prevent unexpected and costly equipment failures by alerting users to the condition of critical equipment so they can proactively schedule its maintenance ...
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Michael Scandling, V. P. Marketing 3350 Scott Blvd., Building 50, Santa Clara, CA, 95054 USA Tel.: (408) 987-3400 E-mail: findout@datastick.com |
New High-Density Ethernet I/O Modules Interface Virtually Any Analog Sensor to a Control Network
Acromag introduces 48-channel I/O units for its EtherStax™ I/O series with a fast 16-bit Ethernet interface for analog inputs from and output signals to DC current/voltage sources or 8B signal conditioning modules. Two models, both with 16 analog current and 16 voltage inputs, support a variety of I/O ranges. The current inputs accept ±20mA, 0-20mA, or 4-20mA ranges. Voltage inputs handle ±5V and ±10V ranges. The inputs have a configurable sample averaging function and each channel has a non-volatile integrator/totalizer for additional signal processing tasks. On-demand self-test verifies calibration and a built-in loop-back circuit provides output validation to ensure high-accuracy operation ...
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Acromag, Incorporated 30765 S Wixom Rd, PO Box 437 Wixom, MI 48393-7037 USA Tel.: 248-624-1541 Fax: 248-624-9234 E-mail: sales@acromag.com |
Nine Awards for New Research Projects to Develop Advanced Sensing Technologies
7 January 2009 - The National Institute of Standards and Technology (NIST) has announced nine awards for new research projects to develop advanced sensing technologies that would enable timely and detailed monitoring and inspection of the structural health of bridges, roadways and water systems that comprise a significant component of the nation's public infrastructure.
The awards are the first to be made under NIST's new Technology Innovation Program (TIP), which was created to support innovative, high-risk, high-reward research in areas of critical national need where the government has a clear interest because of the magnitude of the problems and their importance to society. The cost-shared awards initiate up to $88.2 million in new research over the next five years on structure monitoring and inspection technologies, $42.5 million of it potentially funded by TIP ...
Michael Baum,
The National Institute of Standards and Technology
Tel.: 301 975-2763
E-mail: michael.baum@nist.gov
Sensors & Transducers Special Issues:
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Multisensor Data (Vol.1, August 2005) |
MEMS & NEMS:
Devices (Vol.2, October 2007) |
(Vol.90, April 2008) |
Microsystems: Technology and Applications |
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