Interested to Buy Any Domain ? << Click Here >> for more details...
why do we use 4-20mA as o/p and why don't use 0-20mA or 5-
21mA?
- 3 Answers
- 9244 Views
- I also Faced
- E-Mail Answers
Answer Posted / d tilston
Two wire transmitters require some power to work. 0-20 mA
would not provide any power at 0 mA.
Power = current x volts, (usually 24 VDC)
Power = 0.004A x 24VDC
Power = 0.096W
Not much power.
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
What is heating effect?
I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.
What is the Working principle of Dozing valve?
Please tell me details about Sox,Nox,SWAS analyser????
few questions on RS 232,1 question on relationship of impedance and turns ratio, many questions on flowmeters
How can i test procedure grounding for CAT-7 cable? Or How can we test procedure CAT-7 Cable Electrically safe?
Why do you want to work here
What is the use of temperature compensation?
What are different types of valves?
Why flow/pressure transmitter before control valve?
What is force balance principle?
2. What is ultrasonic flowmeter?
HOW CREATED LP & HP PRESURES IN DRUM FOR DRUM LEVEL MEASUREMENT!
what is controlling card in dcs? how u measure dcs memory?what is bus in dcs?how u know dcs speed n ehternet speed?
plz you help about Que paper of mahagenco previous your,any model paper relad to it{maharastra power genration}
