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  • Flow Research Magazine Special Report: Multi-Variable Vortex Flow Meters (.pdf)
    In a "Worldflow Special Report," Flow Research magazine discusses Nice Instrumentation's new line of multi-variable vortex flow meters. This article also notes how a recent American Petroleum Institute draft standard may spur growth in the vortex flow meter market. Market Barometer Q2 2007.pdf
  • Cable Solutions for Servo and Variable Frequency Drives
    converters ­ precise and continuous variable torque and speed. control ­ come along with certain negative effects that should be taken into consideration: - Strong electromagnetic interference through the motor power supply cable. - High overvoltage in the supply cable. - High leakage
  • Transient Suppression Devices & Principles (.pdf)
    description will follow later in this section. A voltage-clamping device is a component having a variable impedance depending on the current flowing through the device or on the voltage across its terminal. These devices exhibit a nonlinear impedance characteristic that is, Ohm's law is applicable
  • Radio Frequency Emissions Effect on Sensors (.pdf)
    White noise on the plant floor can cause electrical interference that often affects the function of proximity sensors. This radio frequency (RF) "noise" is caused by the use of variable frequency drives, stepper motors and high powered communication devices, such as AM/FM radios, two-way radios
  • DC/DC CONVERTER Output Ripple & Noise
    . Modulated topology, have a constant switching. frequency, wich create noise in a predictable. bandwidth that can facilitate attenuation. Resonant or zero switching converters generate. less intrinsic noise, but their load dependant. variable switching frequencies tend to generate. noise over a wide
  • Using 2310 with Option 01 to Make Wideband Noise Measurements on TETRA Transmitters (.pdf)
    to +27. dBm are catered for on the low power input. A variable attenua-. tor is used to condition the TETRA carrier to be within a desired. power band before it is mixed to an intermediate frequency (IF) of. 10.71 MHz. The IF signal is amplified to match the operating. point of the instrument analog
  • Proposed Reference Solar Spectral Power Distributions for Miami andProposed Reference Solar Spectral Power Distributions for Miami and Phoenix From Three Years of Measurements
    The solar spectral power distribution (SPD) represents a critical variable in natural and artificial weathering processes. Weathering research often requires reference SPDs representative of end-use environments or worst-case in-service conditions. Uses of SPDs include comparison of different
  • Dimming AC Incandescent Lamps Using A PIC10F200
    very simple circuits, not much more than a high-current rheostat (variable resistor) wired in series with the lamp. For low-light conditions, it was adjusted to a high resistance, reducing the current through the lamp filament. For high-light conditions, it was adjusted for a low resistance increasing

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