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Temperature SensorNews back copies are archived and accessible through the News page in the event you miss one or need to check something you saw months earlier. The first (Preview) Newsletter was dated September 2001!

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Featured New Product-A New Handheld Thermal Imaging Camera

The Raytheon Thermal Imager PalmIR™ and Land Instruments Model PPM +™ use the Compaq iPaq™ PDA computer as monitor screen and data storage interface. A new low price for a full featured, less than 5 lb. (2.2Kg), LW thermal imager having video output, digital data storage, 0.1°C resolution with 320x 240 pixel spatial image capability! (Contact Raytheon or Land for price information and complete specifications.) PalmIr on Left and PPM+ on the right, below

Some Key Specifications from the Raytheon Web site for these new, medium-priced handheld units are:

Dimensions: 10"L x 5.5"W x 5.5"H (w/ PDA) 10"L x 5.5"W x 4"H (w/o PDA) (254 x 140 x 140 mm w/PDA)
Weight: 4.8 lbs (2.2Kg)(w/ PDA) 4.1lbs (1.9Kg) (w/o PDA)
Temperature Measurement Range: 0°C to 300°C (Viewing range not limited to 300°C)
Measurement Accuracy: (15-35°C) 2% RFS (Range Full Scale)
Detector Sensitivity: Better than 0.1°C
Digitizing Resolution: 12 bits
Video Update Rate: 60 Hz (NTSC) or 50 Hz (PAL)
Wavelength Sensitivity: 7-14 microns
Detector Type/Format: BST Uncooled focal plane array, FPA (320 x 240 pixels)
Battery Source: NiMH Camcorder Battery (6VDC),
Operating Time: >2 hours with supplied battery
Integrated Front Lit PDA LCD Display: 240 x 320 HxV front illuminated touch sensitive color LCD.
NTSC and PAL real time update rate.

NEW Links of Interest - February 2002

Data Acquisition Page

ACCES I/O Products
Analog to Digital with Signal Conditioning for RTD's, Thermocouples, 4-20mA signals, Voltage inputs, to Digital to Analog cards, to Serial Communications such as RS-485 and RS-422 including Optical Isolation.Plug in products in ISA, PCI, RS-485 Bus for REMOTE I/O, and PC/104.

Links Page

(The) Silent PC or Noiseless, Intelligent PCs
Noise from PCs have been taken as a fact of life by most, but Tomas Risberg in Sweden knows that the sources are those fans and drives that make excessive noise. Most do, he shows, because there is a close relation between heat dissipation, temperature and PC acoustic noise emissions that can be easily overcome by better engineering and cooling methods. A most detailed, well documented and interesting web site! What's more he shows how application of temperature sensors can help!

Still Waiting For Greenhouse
A lukewarm view of Global Warming from John Daley in Tasmania!

Thermocouples and Links Pages

Pentronic
is a leading supplier of temperature measurement equipment in Scandinavia for industry, research and education. Manufactures temperature sensors, primarily Pt 100 and thermocouple elements. Their calibration laboratory is accredited for temperature, electrical resistance and current (SWEDAC 0076). The laboratory is unique among European manufacturers and has resources to rival many national laboratories. They also offer an extensive range of calibration training programs. Visit their website to get an idea of what can be done with technical information on the Web.

Page Updates

You may have noted the clearer font used for our links between pages. That's intentional as is the new arrangement of text styles and the (hopefully) more thoughful placement of sub-section links on the related major section pages. Appreciate any commets and if it makes a difference to you or not. We are thinking primarily of those who may have difficulty with the navigation links when they first visit our pages.

Applications Pages

Thermal Imaging Applications- Greatly expanded.

New reference added to References page:

Practical Temperature Measurement, P.R.N. Childs, Butterworth Heinemann, Oxford (2001)

New Pages

Four new pages on Thermography:

Thermography Index, A brief introduction to Thermal Imaging and Thermography with an index to the pages on the web site related to the various aspects of the subject.

Thermography Resource Some of the organizations, societies and topical meetings that provide resources for this technology

Thermography Service Providers, A directory of directories and specific service providers that stand out with informative web sites, in our opinion.,

Thermography Training Companies a list of links to the training groups that support both the individual thermographer and the larger organizations who need ongoing training resources to support their thermography orerations.

Next Month's Plans

Next month's plan is to complete a set of new pages devoted to thermowells.

COMMENTS + END NOTES

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