Able to supply 4 kW pulse power up to 10% duty cycle with max pulse width of 100 µsec, S21-4KWP-2KWP FLEX can also be configured into 2 separate 2 kW pulse amplifiers. IEEE-488 and RS232 interfaces come standard, and UI features backlit screen that shows forward/reverse power indication, system status, and self-diagnostic information. Power indication is shown in pulse, and all operating features are available on front panel display as well as over remote bus.