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Daimei Instrument Technology Service (Shanghai) Co., Ltd
Stefan Mayer MR-3 active demagnetization system
NegotiableUpdate on 12/23
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Overview
The MR3 active DC demagnetizer is a solution that has been proven to solve the problem of magnetic field interference. Usually used for magnetic field interference in electron microscopes, electron beams, ion beam instruments, nuclear magnetic imaging, biological nuclear magnetic equipment, etc. MR3 is an active feedback compensation device that monitors the magnetic field strength (interference) of the environment through a magnetic field probe installed on the device, and then outputs an equal amplitude reverse magnetic field to cancel out the interference. Its effective bandwidth has a significant effect from 0Hz to 1000Hz. The magnetic field probe adopts a low-noise three-axis flux gate probe.
Product Details
Product Introduction
The MR3 active DC demagnetizer is a solution that has been proven to solve the problem of magnetic field interference. Usually used for magnetic field interference in electron microscopes, electron beams, ion beam instruments, nuclear magnetic imaging, biological nuclear magnetic equipment, etc. MR3 is an active feedback compensation device that monitors the magnetic field strength (interference) of the environment through a magnetic field probe installed on the device, and then outputs an equal amplitude reverse magnetic field to cancel out the interference. Its effective bandwidth has a significant effect from 0Hz to 1000Hz. The magnetic field probe adopts a low-noise three-axis flux gate probe. The analog compensation signal generated by the MR3 demagnetizer is directly connected to the system's amplifier, which is connected to the magnetic field coil. The coil can be installed on the wall or in a customized aluminum frame.
Features:
•Continuous compensation for magnetic field interference from DC (0Hz) to 1000Hz.
•There is a 40dB (100 times) attenuation rate for the most common 50H AC magnetic field.
•High precision flux gate probe measures magnetic field.
•Pure analog design, without any digital programming.
•An integrated power amplifier that can be directly connected to a coil.
Application:
•Improve the image quality of electron microscopes (scanning electron microscopy and transmission electron microscopy)
•Biological Nuclear Magnetic Instruments
•Compensation for common frequency magnetic fields (50Hz/60Hz) and higher-order components.
•It has real-time monitoring and alarm functions.
•Compensation for DC like magnetic fields generated by mobile problems such as cars, subways, or elevators.
•Customized version for magnetic resonance imaging (MRI).
Technical indicators and parameters:
Magnetic field probe: three-axis flux gate probe.
Zero temperature drift: less than 0.1nT/K
Noise interference: less than 0.7nT RMS (0.1Hz<f<1000Hz)
Analog output: 1V/uT: X Y Z three-axis BNC interface
Bandwidth: 0 to 1000Hz
Digital display: Display DC or AC values.
Simulation display: Display coil current
Attenuation rate (50Hz): typically 40dB near the probe
Attenuation rate (250Hz): typically 20dB near the probe
Coil resistance: 2 ohms
