Field Monitor, 0.6 - 1000 V/m, 12.0 mA/m - 17 A/m Sensitivity. Accepts inputs from up to 4 isotropic Field Probes.Field Monitor, 0.6 - 1000 V/m, 12.0 mA/m - 17 A/m Sensitivity. Accepts inputs from up to 4 isotropic Field Probes.Field Monitor, 0.6 - 1000 V/m, 12.0 mA/m - 17 A/m Sensitivity. Accepts inputs from up to 4 isotropic Field Probes.