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Is
there a way to protect electronic instruments
from a direct lightning strike? |
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A remote field transmitter
connected to a local indicator which is protected
by a lightning surge protector begins to show
inconsistent display values. What could be
the trouble? |
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A control
room instrument was damaged during a recent
lightning strike. What can be done to prevent
this damage in the future? |
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A transmitter that is attached
to a panel located indoors was damaged by
a recent lightning strike. Can you explain
why this occurred? |
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Is a lightning surge protector
necessary for a power source line? |
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During a recent lightning
storm, the power was turned off but some instruments
were still damaged. Can you explain this? |
|
An instrument was blackened
by a lightning strike via a lightning rod.
Is there a reason for this? |
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It has been said that if
you use buried cables, then that is enough
protection from lightning. Is this a true
statement? |
|
How much resistance is appropriate
when grounding the M-RESTER? |
|
Is an instrument safe if
the lightning surge protector on the power
supply line is damaged? |
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A field transmitter was connected
to a lightning surge protector, but it was
still damaged by a lightning strike. Can you
tell me why? |
|
After a lightning storm,
there was no input from the remote RTD sensor
to the temperature transmitter. There is no
detectable damage to the transmitter. What
could have happened? |
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Use a Watchdog for Troubled
Spots |
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M-Rester Application in Waterworks |
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We are using universal input
transmitter, M3LU with 4-wire RTD sensor.
We’d like to install lightning surge
protector for this system. Does M-System have
any lightning protector for 4-wire RTD sensor
signal use? |
