Interested to Buy Any Domain ? << Click Here >> for more details...
Why we use 4 to 20 mA, (This is International Standard)
instaed of this can we use 4-16, or 4-24 or 3- 15 or any
other range
- 13 Answers
- 33446 Views
- ONGC, I also Faced
- E-Mail Answers
Answer Posted / abdus sattar mollah
ALL ANSWERS ARE WRONG.....
4-20 is a standard because transistor which is the basic building block of any transmitter has a linear output charecteristics in 4-20ma range.
| Is This Answer Correct ? | 4 Yes | 8 No |
Post New Answer View All Answers
HOW TO CHOOSE FREAQUENCY IN FMCW TYPE RADAR INSTRUMENTS. DESIGN BASIS OR DESIGN CALCULATONS ?
What is megering????
hiii.... can any one provide me previous years question paper of hindustan petroleum for instrumentation engineering???
how can i check vortex shedder bar it is ok? if there is ohms condition are shown correct?
POSSITIVE PULSE IS APPLIED TO AN INVERTER INPUT.THE TIME FROM THE LEADING EDGE OF THE INPUT TO THE LEADING EDGE OF THE OUTPUT IS 10 ns. THE TIME FROM THE TRAILING EDGE OF THE INPUT TO THE TRYLING EDGE OF THE OUTPUT IS 8 ns. WHAT ARE THE VALUES OF tPLH and tPHL?
TECHNICAL/ARTITUDE
Explain the use of hair spring in the pressure gauge.
The company where I am working, their is rosemount 5400 series radar type level transmitter, it is meant to show level of filled tank, but along with the level it is showing temperature also, so my question is how a onon-contact type radar type level transmitter can show temperature even if it does not have any contact with the fluid?
Do you have reference list?
What is the constant voltage unit?
How to calibrate Toxic gas detector?
Explain the mechanism behind the turbine meter.
Can Any body tell me about the Contact or Email id of any good Consultancy which help me to find a job in Instrumentation Field in India .I have Six years of Work Experience in the Same field.Please revert me back on shammi_gwalior@yahoo.com ?
What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?
please someone tell me what is function of vibration sencer and how many types and how to control viberation.please. my id is jimmykhan077@gmail.com
