Pulse or analog for custody transfer?
Since most Coriolis transmitters provide both pulse and analog 4-20 mA outputs for the reading, which works better for liquid custody transfer where the reading goes to a flow computer and why? How about the digital HART output from the transmitter? ...
Critical spares for plant instruments
I have to choose the critical spares for our plant instruments. I need to consider instrument reliability, manufacturer reputation, lead time, pricing, etc. I don't have any data on instrument failure in this plant. I'd appreciate if someone here can tell me how to design a good critical spares stra ...
Analog and digital communication
Hi, I am new to instrumentation and need to know the difference between HART and FOUNDATION Fieldbus. I mean, the process range usually converts from HART to 4-20mA, but what about FF communication? ...
FOUNDATION Fieldbus or HART?
Hi. Both FF and HART can provide field data to the marshalling cabinet. Which is more reliable for the oil and gas industry? ...
Pharmaceutical plant asset management
Hello. I work at a pharmaceutical company, and we need options for plant asset management and condition monitoring. Could you tell me more about PAM and help me come up with ideas for our 4-20 mA plant? ...
Lower and upper range values of differential pressure transmitter
On my differential pressure transmitter, I have a range from 0 to 500 psi. We use an orifice plate for creating differential pressure. Maximum DP in our gas flow is about 200 psi but it's not fixed. Can you tell me how to determine the lower and upper range values? ...
Millivoltage for type K thermocouple?
How can I find the millivoltage for the temperature in a type K thermocouple sensor? ...
Coriolis installation for gas application
Hey. We’re installing a new Coriolis in a gas application. Should we have inlet and outlet runs? What's the correct installation for gas? ...