GW-Instek-GVT-417B-AC-Millivolt-Meter-GW-Instek-GVT-417B-P-The-GW-Instek-GVT-417B-AC-Millivolt-Meter-is-a-compact-analog-AC-millivoltmeter-ideal-for-low-level-voltage-measurements-beyond-ordinary-multimeter-capabilities-300u V-sensitivity-is-maintained-over-100V-full-scale-The-GW-Instek-GVT-417B-provides-dual-channel-measurement-simultaneously-or-separately-Voltage-scale-is-separated-into-12-ranges-instantly-accessible-by-a-large-rotary-selector-The-wide-measurement-range-10 Hz-to-1 M Hz-