Archive for category Temperature Transmitters

Who wrote the book on pressure and temperature measurement?

Ever hear the expression, “They’re the guys who wrote the book”? 

When you hear who it is that “wrote the book”, they immediately gain authority over the rest of the “guys in the field”. It means they’ve taken the time to pull the fundamentals and inner workings into a centralized place, and they have the confidence in their works to share it with the world.

When it comes to pressure gauges and temperature measurement instrumentation…

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How does adding a 250-ohm resistor make HART work?

Sometimes there’s a problem getting a loop powered HART instrument to communicate when it’s on the benchtop, but it communicated fine when wired in the field.   Why is that? Read the rest of this entry »

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Are thermocouple heads and transmitters interchangeable between brands?

Ever wonder if you can mix brands of thermocouple heads, transmitters, or junction blocks?  The other day, I was trying to figure out if I could, and I ran into a spec I didn’t understand – DIN Form B. So, what exactly is DIN Form B, and how does it relate to thermocouple heads, transmitters and junction blocks?

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