Frequency Voltmeter AlarmMeter
Meters used to monitor the SXS Switch.
From the left is a frequency meter generally used to monitor the frequency of the ringing renerator. Followed by various volt meters. On the far right is a meter relay. This device had high and low contacts that when adjusted would detect high and low voltages and sound a switch alarm.
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Uploaded on April 12, 2008
Taken on April 9, 2008
Frequency Voltmeter AlarmMeter
Meters used to monitor the SXS Switch.
From the left is a frequency meter generally used to monitor the frequency of the ringing renerator. Followed by various volt meters. On the far right is a meter relay. This device had high and low contacts that when adjusted would detect high and low voltages and sound a switch alarm.
3,246
views
0
faves
1
comment
Uploaded on April 12, 2008
Taken on April 9, 2008