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  • Designing Energy Meters with the PIC16F873A
    is V I cosθ,. time source for calculating and tracking current and his-. where V and I are average rms voltage and current,. torical peak demand. All metered data is securely. and θ is the phase angle between the two. Instanta-. stored as it is updated in nonvolatile memory. neous sampling does
  • Making Phase a Routine Vibration Route Measurement (.pdf)
    of the two channels. Notice A is the refer-. ence channel and is shown to be at zero on the. Skip. polar plot. The exact amplitude of both channels: the meter. Channel A = 0.311 ips. Channel B = 0.295 ips. The relative phase angle between the two. channels (Delta Phase) is in degrees. Notice. Think about ITT
  • Turbidity in the Real World
    To effectively use a turbidity analyzer in an industrial process environment, many things must be considered. A turbidity meter must be rugged in construction, watertight, able to withstand process pressures and temperatures, yet read low-level concentrations of particles (PPM, or even PPB) free
  • Flowmeter Technology and Specifications
    BTU Meter – TP10 Magnetic BTU Meter – T-MAG. Electrical Power Meters. 1-phase KWH Meter – 101E 3-phase KWH Meter – 103E. Magnetic Flowmeters. High-performance Magnetic Flowmeter – MAG888. Data Reporting & Management. AMR/AMI and Utility Billing – SpireCapture Mobile AMR/AMI – SpirePulsar Wireless
  • Medical Device Link . Benchtop EMC Testing Techniques for Medical Equipment Using loop probes to help test devices for electromagnetic compatibility saves costly redesign and complements open area and chamber tests.
    Medical Device & Diagnostic Industry A design may seem perfect; however, when electromagnetic compatibility (EMC) performance hasn't been considered, too often the product will fail at the point in the development process, the final testing phase, where redesign is most expensive and difficult
  • Control Requirements for High-Precision, High-Speed Machining
    to higher numbers of phases) with torque-angle functions: T = K I sinθ. a. T a. T = K I cosθ. b. T b. If we provide current to these phases according to the functions: I = K sinθ. a. I. I = K cosθ. b. I. then we get a total torque from the motor: T = T + T = K K (sin2 + cos2. θ. θ) = K
  • Power Measurement Application Note
    or lag,. expressed in degrees, is the phase angle (ø). The power delivered is P = VAcosø. The term cosø is the power factor. Note that for a. purely reactive circuit, P = 0. A load that includes reactive elements is a complex impedance (Z). In a series circuit Z = √÷R2 , where X is the inductive
  • Improved Interferometric Optical Testing
    . An. approach that works well over a large spectral bandwidth involves the use of a quarter-wave plate followed by. linear polarizers at different angles to get the phase shifts (Opt. Comm. 154, 249). In this method, the test and. reference beams have circular polarization of the opposite sense

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