Answer / alpesh dalvi

in ultrasonic level transmitter ultrasonic waves are
transmitted & return sound wave recived time is to be
measured which is called as echo.if we installed level
transmitter perpendicularly then echos angle disturbed.so
that we cant get wave recieving time.

Answer / amit

because ultra sonic ray flow strat line so ultrasonic level
tranmitter installed in 90 degree.

Explain signal isolator

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Exothermic reaction./ endothermic reaction

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, Instrument Index, P&ID review, I/O schedule, datasheet, DCS / Analyzers specifications, loop diagrams, hook-up drawings.

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what is mean by live zero and dead zero

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i have one absolute pressure transmitter for the range is -400mmhg to 400mmhg. If i do the zero trim at atmosphere the transmitter should be give 4ma or 12ma? which one is correct?

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