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  • Resistance and Capacitance Meter Using a PIC 16C622
    The PIC16C62X devices create a new branch in Microchip?s PIC16CXXX 8-bit microcontroller family by incorporating two analog comparators and a variable voltage reference on-chip. The comparators feature programmable input multiplexing from device inputs and an internal voltage reference. The internal
  • Advances in Thermal Dispersion Mass Flow Meter Accuracy (.pdf)
    . That led designers to adopt the use of more robust and more consistently manufactured (RTD's) Resistance Temperature Detectors. RTD-based flow sensors were quickly categorized and associated with earlier delta temperature devices and became part of the Thermal flow sensor design family.
  • In-Situ Calibration - Methods & Pitfalls of Thermal Mass Flow Meter Sensor Field Validation
    . instrumentation needs to be checked (validated) or recalibrated as often as once a year. Sensor elements can become dirty, plugged, or drift over time. The resistance and capacitance of electronic components also degrades, leading. to changes in sensitivity or drift.
  • Technical Bulletin: Ceramic Ball Bearings
    Flow Technology has extended the application range of its FT & HS Turbine Flow Meter series through the introduction of ceramic ball bearings that provide superior performance & corrosion. resistance over traditional stainless steel and journal bearings in process applications.
  • Temperature Measurement Using RTDs
    A RTD or Resistance Temperature Detector is a passive circuit element whose resistance increases with increasing temperature in a predictable manner. In choosing one you must consider a RTDs temperature coefficient of resistance (TCR), its relative sensitivity, its accuracy and repeatability
  • Flow Valves
    . If the flow inlet to an actuator is controlled, the circuit is said to be a "meter-in " system. If actuator outlet is controlled, it is called a "meter-out " circuit. When that part of the fluid being diverted to the reservoir or another part of the circuit is controlled, it is said to be a "bleed-off
  • Agilent: Spectrum Analysis Basics
    calibrated to display the rms value of a sine wave. It is important to understand that the spectrum analyzer is not a power meter, even though it can be used to display power directly. As long as we know some value of a sine wave (for example, peak or average) and know the resistance across which we
  • High-five to high-side current sensing
    of measuring amperage has used a current-shunt ammeter in series between the load and power source. The shunt, basically a resistor with very low resistance, bypasses the majority of load current around the measuring instrument. Only a proportional fraction of overall load current actually passes

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