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Station Guardian Station Guardian Photo
Our Station Guardian provides critical monitoring and protection for transmission and antenna systems. This instrument continuously monitors and displays forward and reflected RF transmitted power and VSWR levels simultaneously on RF transmission lines. The system is equipped with visual alarms to warn of abnormal system conditions, and may be optionally equipped with switching relays to activate automatic standby switching.

The 410 series of indicators is mechanically similar to the SG-34 shown, except it contains the meter and switching circuits only. Both are available in a 19" rack-panel mount.

Model Power Range
Accuracy Dimensions
SG-34 0.4 - 40 ±5% * 3.5 x 19.0
( 8.9 x 48.3 )
410 0.012 - 40 ±5% * 3.5 x 19.0
( 8.9 x 48.3 )
 * Frequency Range and Accuracy determined by external directional coupler.

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