Detector Coil Sensor
Detector Coil Sensor - Related Videos
06:17
Quantifying the Relative Thickness of Conductive Ferromagnetic Materials Using Detector Coil-Based Pulsed Eddy Current Sensors
0 Views •
Cited by 10 •
2020
Here, we present a protocol to quantify the relative thickness (i.e., thickness as a percentage with respect to a reference) of conductive ferromagnetic materials using detector coil-based pulsed eddy current sensors, while overcoming the calibration requirement.
09:30
Bacterial Detection & Identification Using Electrochemical Sensors
0 Views •
Cited by 6 •
2013
We describe an electrochemical sensor assay method for rapid bacterial detection and identification. The assay involves a sensor array functionalized with DNA oligonucleotide capture probes for ribosomal RNA (rRNA) species-specific sequences. Sandwich hybridization of target rRNA with the capture probe and a horseradish peroxidase-linked DNA oligonucleotide detector probe produces a measurable amperometric current.
11:14
Combining Wet and Dry Lab Techniques to Guide the Crystallization of Large Coiled-coil Containing Proteins
0 Views •
Cited by 2 •
2017
We describe a framework incorporating straightforward biochemical and computational analysis to guide the characterization and crystallization of large coiled-coil domains. This framework can be adapted for globular proteins or extended to incorporate a variety of high-throughput techniques.
07:00
How to Use the H1 Deep Transcranial Magnetic Stimulation Coil for Conditions Other than Depression
0 Views •
Cited by 13 •
2017
The H1 deep transcranial magnetic stimulation coil is FDA-cleared for the treatment of depression. We demonstrate how to utilize the H1 for other conditions, such as auditory hallucinations and PTSD, by moving the helmet to different locations over the subject's skull.
10:52
Design, Instrumentation and Usage Protocols for Distributed In Situ Thermal Hot Spots Monitoring in Electric Coils using FBG Sensor Multiplexing
0 Views •
Cited by 2 •
2020
This paper presents a protocol that enables instrumentation of random wound electric coils with fiber Bragg grating (FBG) thermal sensors for the purpose of distributed condition monitoring of internal thermal hot spots.
FAQs
Two main design and placement factors are the number of wire turns and the coil’s orientation relative to the magnetic flux. More turns can increase the induced response, while orientation determines how much flux passes through the coil. Adjusting these variables helps researchers make weak electromagnetic activity easier to observe and compare measurements consistently.
A constant magnetic field produces no continuing change in flux through the coil, so it does not maintain an induced voltage. The signal appears when the flux varies, such as during an alternating magnetic field or an electromagnetic pulse. This distinction lets the sensor emphasize changing electromagnetic activity rather than simply indicate that a field exists.
A faster variation in magnetic flux produces a larger induced voltage than a slower variation, provided other conditions remain comparable. The measured signal therefore carries information about temporal behavior, not only field presence. Examining changes in signal magnitude can help distinguish rapidly varying events, including pulses, from slower changes in electromagnetic activity.
Positioning the coil near or around the device and monitoring its induced electrical signal provides a noninvasive measurement of changing magnetic activity. Researchers can vary the sensor’s location and orientation to examine field distributions, then compare observed signals with theoretical expectations. This approach connects electromagnetic-induction models to measurements without requiring direct physical contact with the source.
A basic workflow is to orient the coil for the magnetic flux of interest, expose it to the event, and record the induced electrical signal. Researchers can then compare signal magnitude and timing across pulses or positions. Repeating measurements with altered orientation helps separate geometric sensitivity from changes in electromagnetic activity and supports more consistent interpretation.
It is useful when researchers need a simple, noninvasive way to examine alternating magnetic fields, electromagnetic pulses, or field distributions around coils and transformers. It also supports calibration of magnetic-field experiments, where measured responses can be compared across conditions. Because the output is electrical, the technique provides an observable link between theoretical induction models and experimental data.