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PM series permanent magnets

The PM series constant magnetic field permanent magnets feature no need for power supply, no heat generation during long-term use, small size and light weight. Due to the stable magnetic field, it can be used as a standard magnetic field. The PM series of permanent magnets have a wide range of applications. Different models of permanent magnets can be selected according to the different requirements of instruments and equipment.

PM series permanent magnets Overview

PM-A-B-C
A: Represents the magnetic pole spacing, which can be selected as 20mm or 30mm
B: Represents the specification of the magnet and can be selected as S, B, SC or BC. S: Cylindrical, with a diameter of 50mm and a height of 30mm
B: Cylinder, diameter 50mm, height 60mm
SC: Cylindrical with conical surface: Diameter 50mm, height 30mm
BC: Cylinder with conical surface: Diameter 50mm, height 60mm
C: Represents the height of the magnetic side plate, which can be selected as L or H. L indicates that the height of the magnetic side plate is 90mm
(H indicates that the height of the magnetic side plate is 105mm)

PM series permanent magnets Technical Parameter

Model	Description
PM-20-S-L	Permanent magnet Pole spacing: 20mm Magnetic field magnitude: 7000-8000Gs S: Cylinder, diameter 50mm, height 30mm L: The height of the magnetic side plate is 90mm
PM-20-SC-L	Permanent magnet Pole spacing: 20mm The distance from the center of the magnetic field to the upper surface of the magnetic yoke base plate is 40mm Magnetic field magnitude: not less than 7000Gs S: Cone, diameter 50mm, thickness 30mm L: The height of the magnetic side plate is 90mm
PM-20-BC-L	Permanent magnet Pole spacing: 20mm The distance from the center of the magnetic field to the upper surface of the magnetic yoke base plate is 40mm Magnetic field magnitude: not less than 8000Gs S: Cone, diameter 50mm, thickness 60mm L: The height of the magnetic side plate is 90mm
PM-20-BC-H	Permanent magnet Pole spacing: 20mm The distance from the center of the magnetic field to the upper surface of the magnetic yoke base plate is 55mm Magnetic field magnitude: not less than 8000Gs S: Cone, diameter 50mm, thickness 60mm L: The height of the magnetic side plate is 105mm
PM-30-SC-L	Permanent magnet Pole head spacing: 30mm The distance from the center of the magnetic field to the upper surface of the magnetic yoke base plate is 40mm Magnetic field magnitude: not less than 5000Gs S: Cone, diameter 50mm, thickness 30mm L: The height of the magnetic side plate is 90mm
PM-30-SC-H	Permanent magnet Pole head spacing: 30mm The distance from the center of the magnetic field to the upper surface of the magnetic yoke base plate is 55mm Magnetic field magnitude: not less than 5000Gs S: Cone, diameter 50mm, thickness 30mm L: The height of the magnetic side plate is 105mm
PM-30-BC-L	Permanent magnet Pole head spacing: 30mm The distance from the center of the magnetic field to the upper surface of the magnetic yoke base plate is 40mm Magnetic field magnitude: not less than 6000Gs S: Cone, diameter 50mm, thickness 60mm L: The height of the magnetic side plate is 90mm
PM-30-BC-H	Permanent magnet Pole head spacing: 30mm The distance from the center of the magnetic field to the upper surface of the magnetic yoke base plate is 55mm Magnetic field magnitude: not less than 6000Gs S: Cone, diameter 50mm, thickness 60mm L: The height of the magnetic side plate is 105mm
PM-30-B-H	Permanent magnet Pole head spacing: 30mm The distance from the center of the magnetic field to the upper surface of the magnetic yoke base plate is 55mm Magnetic field magnitude: not less than 6000Gs S: Cylinder, diameter 50mm, thickness 60mm L: The height of the magnetic side plate is 105mm