Mode! YA-111 provides up to 80 dB attenuation in fields up to 300 G. and can be used with all standard axial or transverse probes. Model YA-112 provides attenuation up to 60 dB in fields up to 300 G and can be used with the Magnaprobe in addition to all standard probes. Both units feature a double shielded design with a mumetal chamber for screening out earth's fields as well as other stray magnetic fields.
