As mentioned above, some applications come only in Ex-i due to the medium.
Ex-d installations will end up more expensive than Ex-i if Junction Boxes and local control stations are also bought Ex-d. And the hassle of maintenance to Ex-d boxes..
A good designer would use Ex-d instruments but place...
No, it's not a replacement for a Hart Communicator (for example, Emerson 475)
We're commissioning some sophisticated gas detectors, Fluke 754 can't access detailed functions (login to the detector, put into test mode, simulate fault output etc).
I would strongly recommend AMS Trex. (we have all...
