Hameg hz547 3ghz vswr bridge 50o for hms1010 hms3010 hameg hz547 p this unit is used to measure the voltage standing wave ratio vswr and the reflection coefficient of a device under test with an impedance of 50 omega p p typical test objects include attenuators terminations frequency switches amplifiers cables and mixers the measurement range is specified from 150khz to 1ghz 100khz to 3ghz p p hameg instruments are well known for oscilloscopes and test equipment for