PEMF Terminology Dictionary

The field strength taken as the practical edge of useful reach, about ten times the earth's background.

The distance from center where the field drops to 50% of peak.

The applicator that delivers the field to the body, holding one or more coils inside.

The overall outer width of the accessory pad or enclosure, used as the boundary for coverage analysis.

The physical form of the applicator, such as a disc, loop, or mat, which sets how the field spreads.

The housing thickness that sets where the measurement surface sits and anchors the height axis.

The material inside a coil: air stays predictable at high current, ferrite boosts field but can saturate.

The room's own magnetic field at the test position with the device switched off. Gauss Labs reads it at the start and end of every test for more accurate measurements.

The strength of the field each pulse produces, in Gauss, distinct from how often pulses occur.

A device that fires pulses from a spark chamber and capacitor, with natural pulse-to-pulse variation.

The cell's main energy molecule, made by mitochondria; some research links PEMF to greater ATP production.

The average heat a coil makes over a pulse cycle, which its cooling must handle.

A wire sizing scale where a lower number means thicker wire and less resistance.

Field measured straight along the coil's central axis, the reference standard for device characterization.

A gauss probe that senses the field along its tip, best for discs, pancakes, and donut coils.

The natural electrical signals cells maintain; PEMF induces currents that may interact with them.

The science of how electromagnetic fields interact with living systems, the foundation for PEMF.

A pulse that reverses field direction mid-cycle (biphasic), inducing current twice; a one-direction pulse is monophasic.

Two loop coils angled toward each other so the field focuses where they converge.

A driver that charges a capacitor then dumps it through the coil for a fast, high-peak pulse.

The voltage a cell holds across its membrane; PEMF may influence it by moving ions.

The chemical work cells do to turn nutrients into energy, a pathway PEMF may support.

How cells repair and reproduce; PEMF is proposed to support it through its effects on cellular energy.

The field measured at the exact center of the accessory, compared to peak to find coil type.

Improved blood flow, a commonly reported PEMF effect linked to nitric oxide release.

A certification check that every setting produces a clear, recognizable pulse shape.

How many individual coils sit inside a multi-coil accessory like a mat or pad.

The outside width of a single coil winding, drawn as the reference circle on the heatmap.

A Gauss Labs Field Mapper pass that measures where each coil sits, its size and its outline, before the fine scan.

The outline a coil covers seen from above (round, oval or rectangular), with its width and height.

The coil's resistance to changing current, which sets how fast the field can rise.

Where each coil sits in a mat and how large it is, from Coil Discovery or from where each coil's field peaks.

The resistance of the coil wire, which sets how much heat it makes and voltage it needs.

The winding pattern of a coil (pancake spiral or ring loop), also read from the field as pancake, donut, or loop.

A classification from the measured field: pancake (center-strong), donut (ring-strong), or loop.

An overlay chart of every setting's pulse shape on one time axis for quick comparison.

How tightly the field focuses near the coil face, as a percentage. A surface metric, not depth.

Conditions where PEMF may not be appropriate or needs medical clearance, like pregnancy or implants.

How much of a mat surface delivers meaningful field, reported in cm2 and as a percent of the mat.

How consistent the peak field is across a mat's coils, lower spread meaning better-matched coils.

A side view of the field as if the accessory were sliced down the middle, color-coded by strength.

The charge flowing through the coil; it helps set field strength but isn't a reliable performance measure alone.

How fast the field changes at any instant, the primary driver of the induced electric field in tissue.

A certification check that each setting runs at a designed frequency, clear of the power-line frequency.

How fast the coil current changes; a faster change makes a faster field change and sharper pulse.

A device that controls pulses with a microprocessor for precise, repeatable output.

A model of how the field weakens with depth, letting the report quote penetration at standard levels.

The lateral distance from the accessory center along the scan line, in centimeters.

A flat ring-shaped coil with an open center, trading a lower face peak for wider, more even coverage.

The voltage applied across the coil at pulse start, the main control over how fast current builds.

The fraction of each cycle the field is on; higher means more energy but more heat.

The electric field a changing magnetic pulse creates in the body, the main mechanism behind PEMF.

The surface region where the field is at or above 10% of peak, strong enough to be useful.

The width of the usable field zone, out to where it drops to 10% of peak.

The distance from center where the field drops to 10% of peak, half the effective diameter.

A conductive element that carries current; in spark-chamber machines the gap sets pulse strength.

The full range of electromagnetic radiation; PEMF sits at the very low, non-ionizing end.

Measurement points placed past the accessory edge to capture how the field falls off into open space.

How quickly the field collapses after a pulse, shaping the second induction event in tissue.

The principle that a changing magnetic field creates an electric field in the body, the basis for PEMF.

A finding that a device-and-accessory pairing meets the FEI's field limit for PEMF use in equestrian competition.

The equestrian competition rule capping non-restricted PEMF devices at 0.1 Tesla (1,000 Gauss).

A 3D boundary tracing every point in space where the field reaches a chosen strength.

The Gauss Labs motorized machine that moves the gauss meter probe to each planned point, so every reading is taken at a known position and height.

How evenly the field spreads across the four measurement axes, or across each axis pair on a coil that isn't round. It requires all four axes to compute.

The 3D region where the field exceeds a threshold, shown as a dome around the coil's axis.

How much of a coil's winding space is filled with copper; a higher factor means more field for its size.

A curved arrow on the cross-section showing the field's shape, a stylized aid, not a precise measurement.

Driver circuits that shape the pulse: flyback for fast field collapse, resonant for smooth waveforms.

How many pulses arrive per second, a key protocol variable independent of field strength.

The named pulse-rate ranges (Delta, Theta, Alpha, Beta, Gamma), borrowed from EEG naming; they label where a rate falls, not an effect.

A certification check that the pulse changes quickly enough to count as a working PEMF pulse.

The unit of magnetic field strength; 1 Tesla equals 10,000 Gauss.

The calibrated instrument that measures field strength at each scan point during testing.

The sensing tip of a gauss meter, held at a set standoff to read the field at each point.

How fast the field drops across the surface, the steepest change between adjacent points in Gauss per millimeter.

Switching circuits that drive the coil; an H-bridge can reverse polarity for bipolar pulses.

The energy turned to heat in the coil during one pulse, in millijoules.

A color-coded map of field strength across the surface, warm colors marking the strongest field.

A parallel pair of matched loops that creates a highly uniform field in the space between them.

Strong-field PEMF in the thousands of Gauss, chosen for greater reach rather than a bigger surface effect.

The innermost field region above 75% of peak, the most concentrated part of the output.

A voltage spike when coil current is cut off; it sharpens the pulse edge but can damage electronics.

A certification Gauss Labs carries over to an untested variant after comparing it with a closely related item that was tested.

Estimating field values between measured points to produce a smooth, continuous heatmap.

Gates in the cell membrane that control which ions pass; PEMF can influence how they open and close.

The movement of charged particles in and out of cells, which PEMF can influence through membrane voltage.

A unit equal to 1,000 Gauss, used for strong fields.

How quickly current and field build in the coil, which sets how sharp the pulse edge is.

The bench instrument that measures a coil's inductance, capacitance, and resistance.

An open coil placed around a limb, with the field passing through from all sides.

The width of a loop coil's open center, the inside edge of the tubing ring.

The overall outer width of a loop coil, the outside edge of the tubing ring.

Lower-strength PEMF (microtesla to about 1,000 G), well studied and suited to surface and everyday wellness use.

A value shown as > X, meaning the field reaches at least that far and likely farther.

How easily a material lets a magnetic field build inside it; ferrite cores concentrate the field.

The point where a core can't magnetize further, so more current stops producing more field.

A certification check that measured performance matches the documented specification within tolerance.

The accessory center, labeled 0mm, from which all measurements extend outward.

One millionth of a second, the unit for PEMF pulse timing like rise and fall time.

One thousandth of a Tesla; 1 mT equals 10 Gauss, shown alongside Gauss in reports.

Opposite sides of a symmetric accessory should fall off at the same rate, reading for reading.

The cell's energy factories that make ATP; PEMF may support their function.

A survey run along four surface arms and repeated at each height, covering both spread and depth.

A flat pad of several coils whose combined fields cover a large area of the body at once.

A handheld tool for basic voltage, current, and resistance checks before detailed testing.

How much a coil's field bleeds into its neighbor on a mat, expressed as a percentage.

A signaling molecule that relaxes blood vessels; PEMF may raise its production to improve circulation.

The weaker field above a loop coil's center, showing as a dimple on the 3D dome. Normal for loop geometry.

A tool that captures the coil's voltage waveform, from which pulse timing and shape are derived.

One device tested together with one accessory, the unit Gauss Labs tests and certifies.

A flat spiral coil that projects a strong, focused field peaking at its center.

Unwanted energy storage between windings that makes the field ring after fast pulse edges.

Stimulating the rest-and-digest nervous pathway; low-frequency PEMF may support relaxation this way.

The strongest current during a pulse, which directly sets how strong the field becomes.

The single sharpest instant of field change in a pulse, taken from raw samples and used for safety limits.

The highest field an accessory produces, measured in Gauss at its surface.

Time-varying magnetic pulses that induce microcurrents in tissue to support wellness and recovery.

How far the field reaches from the accessory, measured to the 5 Gauss edge in open air.

One swing of a pulse away from the baseline and back. A bipolar pulse has two phases, so counting phases gives twice the number that counting whole pulses does.

The distance between adjacent measurement points along a scan line, in centimeters.

A bench source of steady, controlled power so measurements stay comparable across a device.

Unwanted 50 or 60 Hz signal from a building's electrical wiring.

The ratio of rise time to fall time; 1.0 means the field ramps up and down at equal speed.

Whether each pulse lasts long enough for the field to fully reach its intended peak.

How long one pulse holds significant field strength, measured in microseconds.

The electronics a device uses to drive the coil, shaping how the pulse rises and whether it reverses.

How many pulses a device delivers each second. For a bipolar pulse the count depends on whether you count complete pulses or the individual swings, and the two answers differ by a factor of two.

Verifying finished units meet performance specs before shipment, catching defects early.

Measurements taken outward from the center in all directions, like spokes on a wheel.

A structured plan of frequency, intensity, and duration for supporting recovery.

An updated edition of a finished report that replaces the earlier one, which stays on record as superseded.

When a system absorbs energy most efficiently at just the right driving frequency, like pushing a swing.

The fast natural ringing of a coil circuit after each pulse, separate from the pulse repetition rate.

The ratio of peak field to center field, used to tell a donut coil from a pancake.

How quickly the field reaches its peak, one of the most important pulse traits for effectiveness.

A time-average built for continuous signals, not a valid way to report a pulsed device's field strength.

A strongly asymmetric waveform with one fast edge, common in capacitor-discharge circuits.

The planned set of measurement positions that maps an accessory's field and sets its resolution.

One row of field readings swept across the surface at a fixed standoff from the coil.

A single measurement location along a scan line, recording field strength at that spot.

Earth's natural electromagnetic resonance near 7.83 Hz, referenced by many devices as a baseline.

How long a single PEMF session runs, which sets the total energy dose delivered.

A bench tool that produces a precise, adjustable waveform as a known reference signal.

A sine wave the device switches on and off, holding a steady height through each burst instead of fading like a ring.

The rate of the sine wave inside each burst, separate from how often the bursts repeat.

A smooth curving waveform with gradual field changes, gentle on tissue and lower in slew rate.

The measured 10% to 90% slope of a pulse edge, read the way an oscilloscope gauges edge speed.

A protective part that tames voltage spikes when the field switches on or off.

A component in analog machines that fires the coil by arcing current across an electrode gap.

A waveform with near-instant transitions, producing the sharpest field changes and highest slew rate. Measured at the coil it usually reads as a rounded shape instead.

How several component tolerances add up, shifting real output away from the design target.

The gap between probe tip and accessory surface, kept consistent so readings stay comparable.

A unit of magnetic field strength equal to 10,000 Gauss, common in scientific literature.

The regulatory unit for how fast a field changes; 1 G/µs equals 100 T/s.

The field zone above 35% of peak, strong enough to deliver meaningful energy to tissue.

The use-case tiers a certified pairing supports, from wellness to bone, set by its measured pulse speed and graded against what it claims.

The range of output where biological effects appear; more power isn't always better.

How much heat a coil makes while it runs, which sets its cooling needs.

A device cutting its own output when it overheats, so late-session field can read lower than early.

The allowable deviation from a part's nominal value, which shifts output strength and timing.

A terrain view of one measured layer, where height and color both show field strength.

All the magnetic flux across the coil area out to its boundary, the widest flux zone.

A per-second dose metric counting both pulse edges times frequency.

A gauss probe that senses the field across its shaft, best for loops and butterfly coils.

A waveform with straight rising and falling edges, giving a steady rate of field change.

The number of wire loops in a coil; more turns raise field but slow rise time.

The potential that drives coil current; it affects slew rate but isn't a reliable measure of output.

The consistent color code for waveform types: blue sine, gold square, green triangle, purple sawtooth.

The pulse shape measured at the coil, which is usually not the shape the device drives into it, because a coil rounds the edges of whatever it is given.

Units for the total magnetic energy passing through an area; mWb is used in reports.

A regulatory split setting what claims a device may make; wellness devices can't claim to cure disease.

The two horizontal directions, crossing at center, used to map the field across the surface.

The depth dimension into the body; readings sit on horizontal planes measured from z=0, the accessory face or, on a loop, the center of the tubing.