measuring impedances

IRS-3 meter is designed to measure VSWR and phase of the reflection coefficient of RF paths with coaxial input.
The main technical characteristics of the device IRS-3 (R3-33):
Frequency range: 20-150 MHz. Front-end unit, coaxial 16 / 4.6 mm, 50 Om.KSVN: 1,1-10 with error less than ± 7% (if not more Kst U 2) Phase: (0-360) ° with an accuracy more than ± 7% (at Fst U 2).

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