Gauss meters provide the only consistent and repeatable way to provide the critical information relating to magnetic fields. This information is vital for the user to make informed decisions relating to the strength and direction of the magnetic field or absence of one. The 5180 features a corrected analog output (±3V FS) and a USB communication port. Auto Zero Min./Max./Peak Hold Auto Range and Relative Mode. The Best Accuracy in its class The only handheld instrument utilizing DSP (DigitalSignal Processing) Probe Included