FUNCTION GENERATORModel : FG-2003* 3 MHz function generator with 60MHz auto range frequency counter.* Function generator : 0.5Hz to 3MHz, 6 Range.* Sins, Square, Triangle, Ramp, + Pulse, - Pulse.* Frequency counter range : 0.2Hz to 60MHz.* 5 digital 0.36" Red LED display.* Power Source AC 115V/230V,50/60Hz. [详细介绍]