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  • Utilizing Nano Technology Greatly Improves Metal Oxide Sensor Performance (.pdf)
    Advanced work in chemi-resistive sensing has been in the area of nanoengineered grain structures. The Net Safety metal oxide H2S sensor, available with our next generation gas detector, the Millennium II, shows a substantial performance increase as oxide grain size is reduced to the "nano" level
  • General Information for TGS Sensors
    height in the grain boundary is reduced (Figures 2 and 3). The reduced barrier height decreases sensor resistance. 2000 Common Info GENERAL INFORMATION FOR TGS SENSORS. 1. Operation Principle. The sensing material in TGS gas sensors is metal. oxide, most typically SnO2. When a metal oxide
  • Electrochemical Oxygen Sensors (.pdf)
    instruments. Capillary-pore oxygen sensors, such as the ones. are of the self-powered, diffusion-limited,. used in BW instruments, utilize a narrow diameter. metal-air battery type. They are comprised. tube through which oxygen diffuses into the sensor. of an anode, an electrolyte and an air. Oxygen is drawn
  • View to the Future: CCD and CMOS Sensors Today and Tomorrow
    Digital image sensors are well established in private and professional applications. But which sensor type works best, CCD or CMOS? This question enlightens passionate discussions. A more detailed analysis reveals that these sensors share many common characteristics. Both CMOS and CCD can
  • Review of Sensor Technologies Used in Personal Safety Instruments
    specific to a particular target gas. NDIR sensors are also extremely stable, quick to respond to gas and can tolerate long calibration intervals. Infrared sensors are commonly used to detect methane, carbon dioxide and nitric oxides in both portable and fixed gas detection instrumentation. Metal Oxide
  • Humidity sensors
    layer between two metal plates in capacitive sensors, while creating fluctuations in the impedance of resistive sensors. Early humidity sensors used natural materials like silk or hair as the mechanical sensing element; the material shrank when dry because of low relative humidity and expanded when
  • Pressure Sensor Technology: Part 2 in a 5-Part Series
    The three most common pressure sensor principles described below include metal thin-film and ceramic thick-film pressure sensors, which are the two most common implementations of resistive pressure measurement. The third pressure sensor principle is the piezo-resistive pressure sensor
  • The Development of a RTD Temperature Sensor for Exhaust Applications (.pdf)
    ). Thermocouples have been around the longest of the. The following sensor characteristics are presented: three sensor types. They are formed by welding two. resistance-temperature curve, accuracy, response time,. dissimilar metals together forming a bimetallic junction. and long-term durability

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