Handheld single-axis digital magnetometer gauss / tesla meter for measuring magnets, magnetism of steel, and other manufacturing and scientific applications. The 5270 comes with a detachable probe, zero gauss chamber, CD instruction manual, calibration certificate card, hard carrying case, four AA batteries. 

The F.W. Bell 5270 is an upgrade to the widely used model 5170. The 5270 adds features such as touch screen controls and rechargeable lithium-ion battery. 

For more information see following links: 

5200 Series Data Sheet and Specifications

5200 Series Probes

5100 Series Manual  

Part numbers (PN):  All these are Gauss/Tesla meter model 5270, only the probe and power adapter options are different for each PN: 

PN 415270 has the Standard Transverse Probe STH17-0404 and Domestic power adapter. 

PN 415275 has the Standard Transverse Probe STH17-0404 and International power adapter. 

PN 415276 has the Standard Axial Probe SAH17-1904 and Domestic power adapter.

PN 415277 has the Standard Axial Probe SAH17-1904 and International power adapter.

PN 415271 has the Standard Transverse Probe STH17-0404 and NO power adapter.