Full Scale Deflection

Full-scale deflection is the maximum pointer displacement or needle reading an analog measuring instrument can indicate, marking the upper limit of its calibrated range. In a moving-coil meter, an input current produces a magnetic torque that turns the coil and pointer, while a control spring supplies an opposing restoring torque; full-scale deflection occurs when these torques balance at the instrument’s rated current. This principle underlies galvanometers and the design of ammeters and voltmeters, where shunt or series resistors extend measurement ranges. It also supports sensitivity calculations, calibration, and interpretation of measurement limits.

Full Scale Deflection - Related Videos

Research

JoVE Journal - Chemistry

Submillisecond Conformational Changes in Proteins Resolved by Photothermal Beam Deflection

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Cited by 1 •

2014

Here we report an application of the photothermal beam deflection technique in combination with a caged calcium compound, DM-nitrophen, to monitor microsecond and millisecond dynamics and energetics of structural changes associated with the calcium association to a neuronal calcium sensor, Downstream Regulatory Element Antagonist Modulator.

Education

JoVE Core - Mechanical Engineering

Deflection of a Beam

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2024

Accurately determining beam deflection and slope under various loading conditions in structural engineering is crucial for ensuring safety and structural integrity. Singularity functions offer a streamlined approach to analyzing beams, especially when multiple loading functions complicate the bending moment equation. Singularity functions, described in an earlier lesson, are powerful mathematical tools that represent discontinuities within a function commonly encountered in structural loading...

Maximum Deflection

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2024

When analyzing beams under unsymmetrical loads, such as a train moving on a bridge, it is crucial to accurately determine the points of maximum stress and deflection. The process involves identifying the maximum deflection of the beam, which may not always occur at its midpoint due to the uneven distribution of the load. The maximum deflection occurs at a specific point, known as point O, where the tangent to the deflection curve is horizontal. To find point O, the slope of the tangent at any...

Magnetically-Assisted Remote Controlled Microcatheter Tip Deflection under Magnetic Resonance Imaging

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Cited by 10 •

2013

Current applied to an endovascular microcatheter with microcoil tip made by laser lathe lithography can achieve controllable deflections under magnetic resonance (MR) guidance, which may improve speed and efficacy of navigation of vasculature during various endovascular procedures.

pH Scale

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2020

Hydronium and hydroxide ions are present both in pure water and in all aqueous solutions, and their concentrations are inversely proportional as determined by the ion product of water (Kw). The concentrations of these ions in a solution are often critical determinants of the solution’s properties and the chemical behaviors of its other solutes. Two different solutions can differ in their hydronium or hydroxide ion concentrations by a million, billion, or even trillion times. A common means of...

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