The FW Bell 5170 is a precision Gauss meter with digital display. This product is ideal for measuring the strength of energising AC and DC magnetic fields and also checking components for residual magnetism. The FW Bell 5170 offers unparalleled levels of accuracy over a large ranges with three sampling ranges and three selectable resolutions.Supplied with either or both transverse and longitudinal probes, zero chamber, calibrated and with the relevant paperwork.