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Magnetic Field Measurement 
 
GMW offers a broad range of Fluxgate, Hall Effect, NMR, and Fluxmeter based magnetic field measurement sensors and instruments together with in-depth technical support.

Magnetic Sensors
Special Sale Offers
Discontinued Products
Magnetic Units
Magnetic Field Vectors
Occupational Magnetic Fields
 
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Specifications
Application Product Range Resolution Bandwidth
Fluxgate Instruments and Transducers
High sensitivity and accuracy for low magnetic fields. Magnetic fields from appliances and equipment, site surveys and monitoring. Active magnetic field cancellation.



1-axis
Mag-01
MAG-01H
±200 or
±2000μT
0.1nT DC - 10Hz
3-axis
Mag690
Mag03 & Mag13

±70, ±100, ±250, ±500, or ±1,000μT -- DC - 3kHz


Other Probes

±100μT -- DC - 1kHz

Spacemag &Spacemag lite

±100µT

±60μT

 

DC - 100Hz

DC - 1kHz


Mag610/Mag611 & Mag 614
±70μT -- DC - 100Hz
 One-Axis Magnetic Field Sensor
GMW One-axis Magnetic Field Sensor, AN_180KIT Originally designed as a demonstrator for the 1-axis AKM HG-106C-2U Hall effect sensor, the AN_180KIT can be used as a stand-alone probe, with an analog output voltage signal proportional to By magnetic field.
AN_180KIT
± 1T --DC - 20kHz
 Three-Axis Magnetic Field Sensor
Ametes Three-Axis Magnetic Field Sensor. Three Sentron CSA-1V with sensitive axes mutually perpendicular. Three analog output signals for Bx, By, and Bz. MFS-3A
MFS-3A
± 7.3mT ±10μT DC - 100kHz
Ametes Three-Axis Magnetic Field Demonstrator. Self contained instrument used to demonstrate and
monitor the output voltages from the Ametes MFS-3A 3-axis Magnetic Field Sensor.
MFS-3A
DMFS-3A
± 7.3mT ±10μT DC - 100kHz
 Linear Hall Transducers

'Miniature type Sensor' linear magnetic field measurement, feedback control, field mapping, and quality control.
senis transducer

 

1-axis I1A Series ±20mT to ±20T ±0.04µT at 20mT DC - 5kHz
1-axis F1A Series ±20mT to ±20T ±0.2µT at 20mT DC - 75kHz
3-axis F3A Series ±20mT to ±20T ±0.7µT at 20mT DC - 25kHz
 Hand-held Hall/Fluxgate Teslameters/Gaussmeters

THM1176, TFM1186 Hand-held, 3-axis magnetic field Probes with USB Interface for magnet and fringing field measurement and mapping. Handheld PDA with USB Interface option available.

MetroLab THM 1176
Metrolab Developments in Hand-Held Magnetic Field Measurement

Read the full article in Magnetics Magazine.

 

THM1176THM1176 PDA
THM1176

3-axis, Hall Effect

±8mT
±100mT
±500mT
±3T
±20T

±2µT
±300µT
±500µT
±3mT
±15mT
DC - 1kHz
DC - 1kHz
DC - 1kHz
DC - 1kHz
DC - 1kHz
TFM1186THM1176 PDA
TFM1186

3-axis, Fluxgate
±100µT 65 nT p-p (2 kSps, no averaging);
4 nT p-p (100x averaging)
--

 Precision Digital Hall Teslameters/Gaussmeter

Precision measurement and control of magnetic fields for laboratory and process control DTM151
DTM-133

1-axis
± 3T ± 5µT DC - 10Hz
DTM-151
1-axis
± 3T ± 0.1µT DC - 3Hz
Very High Precision NMR Teslameters/Gaussmeters
Calibration of magnetic standards. Very high resolution and stability measurement of magnetic fields. Measures total magnetic field at a single point. PT2025
PT2025

Total field
± 13.7T ± 0.1µT DC
PT2025
PT2026

Total field
± 20T ± 0.01µT DC
Fast, very high resolution mapping of MRI imaging magnets with an array of probes. MFC3045
MFC3045

Total field
± 7.0T ± 0.01µT DC
Digital Voltage Integrators / Fluxmeters
Precision flux change measurement. FDI 2056
FDI2056

Flux change
  • Wide range of inputs, to ±20V max
  • 500 kS/s
  • 18 bit resolution
 
 
Conversion of gauss to tesla:
1µG = 0.1nT, 1mG = 100nT, 1G = 100µT, 10G = 1mT, 10,000G = 1T

Relationship between Magnetic Flux Density (B) and Magnetic Field Strength (H):
In vacuum (or air) B=µoH. For SI units µo = 4pi x 10-7H/m, B is expressed in Tesla and H in Ampere turn/m or A/m. Hence in vacuum or air a flux density of 1T = 796kA/m.
For cgs units µo = 1, B is expressed in gauss and H in oersted. Hence in vacuum or air a flux density of 1 gauss = 1 oersted.
For further information visit the NIST Reference on Constants, Units, and Uncertainty

 Last updated on: September 5, 2017
 
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