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Parallel-pole Electromagnets

/Parallel-pole Electromagnets

Parallel-pole Electromagnets, Parallel-pole Gap Electromagnet, Double Yoke Double-tuned Air Gap Alterable Electromagnet, Dipole Electromagnet/laboratory Electromagnet

The magnetic field is both-way adjustable, the yoke structure a closed magnetic circuit, so it has a good rigidity, magnetic field direction is horizontal, the supporting yoke rise 45°to the ground for operating the sample easily. Apply to Hall effect studies, magnetoresistance effect studies, magnetostriction studies, torque magnetometer, force method magnetometer, VSM, magnetisability measuring equipment, magnetic materials measuring equipment etc.

Name of parts

1:Horizontal yoke
2:Vertical yoke
4:Pole Cap Surface
5:Pole Cap
7:Pole Sleeve

A:Coil Gap
B:Pole Gap
C:Center Height
D:Horizontal distance of Diameter
E:Coil Diameter

Parallel-pole Electromagnets, Laboratory Parallel-pole Gap Dipole Electromagnet

1, The solenoid model for the SB-80 type, the electromagnet for the double-yoke frame structure, inclined 45-degree angle seat, the magnetic field in the horizontal direction, pole diameter 80mm, line spacing 100mm, magnetic field air gap two-way adjustable range 0 ~ 100mm.
2, Electromagnet with a pair of pole, pole diameter Φ80mm.
3, Magnetic field index: air gap is 40mm, the central magnetic field Hmax ≥ 0.5T;
4,Electromagnet bilateral pole open light hole, pole at the hole diameter 5mm;
5, Working time: when the magnetic field air gap is 40mm, magnetic field strength of 0.4T, the continuous working time of 1 hour.
6, Electromagnet Dimensions: 440 * 450 * 360; weight of 100Kg
7, Power supply 10A 60V

First open the water drainage valve and then the water inlet valve.

Turn down the rotary knobs for the current and the voltage to zero and turn on the Heinzinger PTN 125-40 power supply by pressing the power switch. In manual operation mode the indicator light for local is on and the power supply is always ether limited by the current or the voltage that is set with the associated rotary knob, whichever is lower. This is indicated by the lights next to the knobs.

Usually we want to set the current so the current should be the limiting quantity, so you can set the voltage to some higher value (by spinning the voltage knob a few times). Then slowly increase the current by turning the current knob. Changing the current through the magnet quickly can lead to significant inductive voltage spikes. This occurs, for instance, if a large current is flowing and the power supply is simply turned off. While there are diodes in the magnet to prevent damage from the voltage spikes, you should always change the current slowly (less than 1 A/s). The maximum continuous current the Bruker Magnet can withstand is 30 A, so do not use values higher than this.

To shut the magnet down, reduce the current slowly (less than 1 A/s) until the current is zero. Then turn the voltage knob to zero and turn of the power switch. Close the water inlet valve and then the water drainage valve.

The direction of the magnetic field can be changed by rotating the magnet. Be very careful that the cryostat is not damaged as the magnet is turned. Only turn the magnet if the cryostat is exactly vertical or completely out of the magnet.

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