Bird Technologies 6730B Series - Manual (Page 22)

Operation
Under
Emergency,
Adverse, or
Abnormal
Conditions
The loads of the Series 6700A/B Termaline Wattmeters
will withstand a temporary overload of up to 20 percent
above their nominal maximum rating. The overload
should be applied for no more than five to ten minutes.
Allow at least a half-hour of cooling thereafter before sub-
jecting the unit to another overload. For Models 6737A
and 6737-030A, increase the water flow rate for extra
protection. Do not allow the water to reach the boiling
point. If it does, the RF power must be immediately de-
creased and/or the water flow rate increased.
It should be understood that although the load portion
can accept a limited overload, the meter is restricted to
the amount of overranging acceptable. Disconnect the me-
ter lead from the voltmeter to avoid damage.
Shutdown It is not possible to cut off the flow of RF power into the
load except by turning off the transmitter or RF source.
Turning the range selector switch to OFF merely deacti-
vates the meter without affecting the load.
WARNING
Never attempt to disconnect any RF equipment from
the transmission line while RF power is being applied.
Leaking RF energy is a potential health hazard.
Emergency
Shutdown
Turn off the source of RF power.
Bird Model 6730B Series Termaline Wattmeter
14