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Fluke Calibration awarded patent for technology that reduces noise, improves accuracy in precision thermometers

 Everett, Wash., Nov. 7, 2012 – Fluke Calibration, a leader in precision calibration instrumentation and software, was awarded U.S. patent number 8253427 for its “resistance bridge architecture and method.” This circuit design reduces measurement “noise” in Fluke Calibration Super-Thermometers by using multiple analog-to-digital converters. As a result, the Super-Thermometers can compare the resistance of the thermometer they are measuring and the resistance of a reference standard resistor simultaneously instead of sequentially.

This market-leading method cancels the effects of noise and instability of the current source so that it no longer affects the resistance ratio measurement, improving accuracy without slowing down measurement speed.

Fluke 1594A and 1595A Super-Thermometers

The Fluke 1594A and 1595A precision thermometers combine the accuracy of complex and expensive resistance bridges with innovative features that simplify measurement processes. They are accurate enough for the primary lab while economical enough for a secondary lab. Their temperature-controlled internal reference resistors, six input channels, large graphical displays, and multitude of temperature-specific measurement functions, make PRT, thermistor and SPRT calibration easy. And the built-in ratio self-calibration function allows labs to verify or calibrate the Super-Thermometer’s ratio accuracy in-house with the press of a button.

For more information about Fluke Calibration Super-Thermometers, visit: https://us.flukecal.com/products/temperature-calibration/digital-thermometer-readouts/1594a1595a-super-thermometers. To purchase, contact your Fluke Calibration sales representative or call (877) 355-3225.

Contact Fluke Calibration

For more information from Fluke Calibration, visit the Fluke Calibration website or contact Fluke Corporation, P.O. Box 9090, Everett, WA USA 98206-9090, or call 1-877-355-3225.

About Fluke Calibration

Fluke Calibration is a leader in precision calibration instrumentation and software for electrical, temperature, pressure, flow, and RF measurements. Calibration products from Fluke Calibration are found in calibration facilities around the world, including National Metrology Institutes, that demand the highest levels of performance and reliability, backed by state of the art metrology and uncompromising support. They are relied on by quality engineers, calibration technicians, and metrologists to instill confidence in the measurements that are critical to their organizations for quality, safety, reliability, and cost.

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