Total Gain in Close Loop

Somebody told me that he wanted to find a total gain in a closed-loop control system. He mentioned about he need to find Gain on Transmitter, Gain on Control Valve, Gain on The Control System, and Gain in the Plant to know whole system gain. Some of the gain on above items I’ve been familiar already; [...]

DP Liquid Level; Once More

After a discussion with a friend who tried to adjust volume in his wet-reference leg LT, I think I need to make underline for DP type LT case that may cause many understanding. Probably I am wrong or pre-assumed that some people have different opinion, but sometime I found little bit dispute one another on below DP case. However let’s discuss about [...]

Instrument Thread Connection

Thread is never become a main concern of instrument engineer  (as I am =:p),  because the knowledge of thread connection is the expertise of mechanical engineer and or piping engineer since they are more familiar about “mesin bubut” to make the thread than any instrument engineers do. However sometime Instrument Engineer needs to specify and select the thread for instrument [...]