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Bartington MAG-03 Three Axis Magnetic Field Sensors |
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These compact, high performance sensors with integral electronics provide
precision measurements of static and alternating magnetic fields in three axes. They are
available with measuring ranges of +70, +100, +250, +500 or +1000µT
in range of enclosures as detailed below. Powered from any +12V supply, outputs are
in the form of three analog voltages from 0 to +10V, proportional to Bx, By and Bz. Low noise sensors with a noise level of 4-6pTrms/Hz1/2 at 1Hz can be supplied in all enclosures with a measuring range of +70 or +100µT. |
| These sensors have a wide range of applications in physics, bioelectromagnetics,
geophysical exploration and defense. Accessories include the Mag-03PSU battery power supply unit, Mag-03DAM high resolution data acquisition module and the Mag-03SCU signal conditioning unit for control of gain and bandwidth and compensation of the background magnetic field. The use of differential inputs in these accessories ensures error-free operation with the sensors irrespective of cable length. A calibration service for the Mag-03 sensors is available and a calibration unit can be supplied for the cylindrical range of sensors. Mag-03 Models Enclosures
Product Identification Products are specified as Mag-03 followed by the enclosure code (MC, MCES, MCFL, MS, MSES, MSS, or IE) followed by L for the low noise version only, then the measuring range (70, 100, 250, 500 or 1000µT). For Example: Mag-03MSL70 is a square section low noise sensor with a range
of +70µT PERFORMANCE SPECIFICATIONS Scaling independent parameters
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Scaling dependent parameters
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Mag-03PSU
Power Supply Unit
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This unit supplies power to any Mag-03 sensor via the mains adapter provided or from the internal rechargeable battery. The +12V supply is fully isolated and the battery provides 10 hours of continuous operation. The Mag-03PSU contains high and low pass filters for the analog signals from the Mag-03 sensor. The low pass (<4.5kHz) filter removes HF noise from feedthrough of the sensor excitation frequency and any external sources. The high pass (<0.1Hz) filter can be switched to provide a.c. or d.c. operation. Specifications
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| Mag-03DAM Data Acquisition Module
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The Mag-03DAM is a 6 channel, 24 bit resolution module for the collection of data from any two Mag-03 sensors or a Grad-03-12 gradiometer. If used in conjunction with one sensor only, other inputs can be used to record analog signals such as temperature. All inputs are protected against voltage surges. The unit incorporates a battery backed power supply for the sensors. Power is provided via a mains adapter and data transmitted to the user's computer via an optically isolated RS232 serial link. The analog signals from the sensors are available for external use. The data acquisition module can be located up to several hundred meters away from the sensors. Software is provided for storing one minute average or five second values to disc. |
Specifications
| Input channels | 6 differential |
| Resolution | 16 or 24 bits |
| Linearity (typical) | 0.002% of full scale at up to 50Hz data rate |
| Sample rate | programmable |
| Analog input | +10V full scale |
| Computer interface | optically isolated, 9600 baud rate |
| RS232 cable | 6 meters standard, 30 meters maximum |
| Power input | 9 to 24V d.c., 120mA via mains adapter provided |
| Battery | 12V, 2.1Ah, lead acid, 10 hours use |
| Dimensions (mm) | 265 x 255 x 55 |
| Weight | 2.8kg |
Connectors -
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2.1mm d.c. inlet RM15TRD10P 25 way D type socket 9 way D type socket |
Mag-03SCU
Signal Conditioning Unit
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This unit provides power for any Mag-03 sensor and signal conditioning of the sensor outputs. The unit, which is suitable for mounting in a 19 inch rack, operates from a 220 or 110V a.c. supply. The power supply voltage can be increased for operation with the sensor over very long cables. |
Please contact ASC Scientific for additional specifications
Cables
All Mag-03 cables are supplied in 5 meter lengths, with alternative lengths to 600 meters available on request.
Specifications
| Mag-03MSS cable | Polyurethane jacket, diameter 10mm, 3 pairs of individually screened conductors |
| All other cables | DEF STAN 61-12 PART 4 screened 7-2-6c |
Mag-03MC-CU
Calibration Unit
The Mag-03MC-CU is a battery powered unit which produces a sinusoidal alternating magnetic field of defined frequency and magnitude. It provides a reference magnetic field for testing the calibration of the cylindrical range of Mag-03 sensors. A temperature stabilized constant current is passed through a single Helmholtz coil with guides to align each of the sensor axes in turn.
Specifications
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U.S. DOMESTIC PRICES
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ASC Scientific
2075 Corte del Nogal, Suite T, Carlsbad, CA USA 92011 - Tel. (800) 272-4327 - Fax. (760) 431-0904
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