Today
I was showing to one of my students all the weak points of a Pressure
gauge transmitter and that he should not use them in any case,
as he has 2 of them. When I put the transmitter under pressure, a small
amount of air was coming out of the overpressure valve on the top and 6
seconds later the all thing exploded...and cut my finger...lucky me
only the finger...could have been worth or imagine this happening
underwater! So why did this happen? well after having a close look at
the transmitter it seems that the humidity that gets trapped in a
regulator, and you will always have that...started corroding the battery
that leaked a bit and made the all transmitter corrode and probably the
over pressure valve not work correctly....and the result was obvious
that when I opened the valve and the pressure entered the first stage
and the transmitter it just blew into pieces! so moral of the story,
these transmitters are gadgets, dangerous and useless. I always say that
and will remain firm DONT USE THEM!
