why does a transmitter o/o signal starts from 3-15psi or 4-
20mA?
Answer Posted / rajesh j
4-20mA is because the least power consumption range with
linearity and to detect even when signal line opens
3-15psi is because of the minimum linear range for which
the control valve will respond to pneumatic signal
| Is This Answer Correct ? | 1 Yes | 4 No |
Post New Answer View All Answers
we are having yokogawa centum cs3000 dcs in our power plant. i need some of the operator guides NOT to appear in HIS0163 AND HIS 0162 but it shoul appear in HIS0164 HOW TO DO IT?
WHAT IS TMXT IN TEMPERATURE FOUNDATION FIELDBUS.
Why does a pressure gauge installed on reactor, doesn't have any vent line below to release the pressure? Is it any kind of designing mistake or it actually does not require any vent line? And if it does not require any vent line below it then how we are gonna release the pressure built inside the pressure gauge?
Where Can i take a SPI INtools training in Mumbai? In Rolta India Ltd to whom I should approach regarding of SPI INtools Training?
what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .
Instrumentation symbols interpration, P& ID, Logic diagram analysis, Electrical drawing analysis.
while i check zero check for dp flow transmitter some fluctuating came (0 to 458 kg/h) what is the reason?
How u measure the massflow in orifice flow measurement techniques
What is Cavitation in a control valve?
What is stripper & spilitter ? Diffrence in this.?
Why grounding is necessary? Give example with diagram.
How to calibrate Magnetic flow Transmitter in Field
flow transmeter accuracy 0.075% of full scale & find ucertainty is 0.025 % so what is maximum limit band of uncertainty
How many types of sensor
Explain bernoulli’s theorem.