Non AMP

Transmitter- current 4 to 20 mA. Why?

Thread starter nm2007k
Start date Aug 27, 2011

Status: Not open for further replies.

Aug 27, 2011

#1

N

nm2007k

Member level 1

Why the standard for a transmitter current (example : in a differential pressure transmitter) is set as 4 to 20 mA?

Aug 27, 2011

#2

ckshivaram

Advanced Member level 6

refer these links
Current loop - Wikipedia, the free encyclopedia
https://www.dataforth.com/catalog/pdf/an104.pdf

---------- Post added at 18:48 ---------- Previous post was at 18:46 ----------

**broken link removed**

check this discussion too,

Why 4-20 ma is used in Analog Signals?

Aug 27, 2011

#3

FvM

Super Moderator

Staff member

Of course there are various previous Edaboard threads, e.g. https://www.edaboard.com/threads/166649/

Status: Not open for further replies.

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