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  • Thermistors in Single Supply Temperature Sensing Circuits
    applications, thermistors are. ature range. This is usually better than the accuracy of. used in hand-held meters and temperature gauges. individual elements from part to part. Although the temperature range of the thermistor is a. little better than the diode or silicon-based temperature. sensor (-55°C
  • Designing a Digital Compass Using the PIC18F2520
    Digital compasses have become popular in the past few years due to the advancement of magnetic sensors and feature-rich microcontrollers. Compass applications have increased from simple, hand-held navigation devices to automobile navigation systems with voice recognition and up-to-date global maps
  • Measuring in High Humidity & Condensing Environments - Warmed Probe Technology (.pdf)
    is also. not condense on the composite sensor even when the. available on all HMT330 series transmitters with composite. measurement environment is at the dewpoint temperature,. sensors. Chemical purge heats the humidity sensor to 160. or 100 %RH. Note that the probe warming feature increases. °C
  • Developing Technologies to Detect Hydrogen Sulfi de (H2S) Gas (.pdf)
    . An MOS device usually consists of a gas-sensitive resis-. Consider coordination among personal portable detec-. tive fi lm, a platinum heater element, and an insulation. tors, hand-held portables, and fi xed gas detectors. Each. medium. MOS sensors measure changes in electrical. facility should
  • Making Lithium-ion Batteries Meet MIL-STD-810 (.pdf)
    to meet all the requirements, but the more challenging requirements for batteries include immersion, shock and vibration, high temperature performance, and low temperature performance. This white paper will focus on overcoming these design challenges for handheld and portable batteries
  • Infrared On-orbit RCC Inspection with the EVA IR Camera: Development of Flight Hardware from a COTS System
    and the flight crews, the team accelerated its schedule and delivered a certified EVA IR Camera system in time to support STS-114 in July 2005 as a contingency. The development of the camera system, led by LaRC, was based on the Commercial-Off-the-Shelf (COTS) FLIR S65 handheld infrared cameras
  • Advances in Aerial IR Applications
    ) is producing heat, surface temperatures may be. affected. When an object is heated or cooled, differences in the mass of the object can be observed. thermally. During the day, the sun heats objects directly by radiation and indirectly by raising the ambient. temperature. Then at night these objects cool
  • Advancing High Voltage Electrical Surveys
    if there is damage and the severity of the damage. This can be accomplished in just seconds through menu selection; before it required two separate cameras. This presentation will provide examples of different images and analysis, with operating time from hand-held, laboratory, vehicle, and aerial camera

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