Interested to Buy Any Domain ? << Click Here >> for more details...
why 4 to 20 ma ,why not 0 to 20 or 3 to 15 or anything
- 19 Answers
- 46820 Views
- Honeywell, TCS, TN, I also Faced
- E-Mail Answers
Answer Posted / rabindra ojha
main purpose is for live zero.in system voltage is 1 to 5
volt. used resistance is 250 ohm. at 1 volt and 250 ohm
resistance current is 4ma.like that when 5volt and 250ohm
resistance current is 20ma.so 4 to 20ma.
| Is This Answer Correct ? | 47 Yes | 6 No |
Post New Answer View All Answers
how many types of viberation transmitter and how to calibrate and where use of vibration transmitter
i am having information technology branh ....... can i prepare for psu exam
Instrumentation Safe Guarding test. How to determine the interval time of the test. eg:Halfyearly,Every year,Every three years etc.
What is motion balance principle?
send me last 5 years questions asked in rrb chennai, for section engineer
while i check zero check for dp flow transmitter some fluctuating came (0 to 458 kg/h) what is the reason?
why we use cascade control and feed forward control in 3 element drum level control measurement of steam drum .what is cascade and feed forward control system ?give example .
Im having problems with interfase betwen SPI v7.0 and SPPID v5.05. Previous versions of Intools shoul be fixed with SPPIDproj.ocx file. It was necessary to replace this file with one that allows the connection between different versions of SPPID. It is necessary in the current version to do the same?Thanks
What are the different types of thermistors used in industries? How to the operation of typical thermistor?
How to Calibrate Interface Level Troll in field
Positioner usage.
Whether the DI, DOs shields can be connected with Analog Input Shield Earthpit?
what is temperature compensation?
sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers
Why flow/pressure transmitter before control valve?
