why we set -10 volt in vibration sensor output,why not +10 volt
- 3 Answers
- 4834 Views
- GE, Honeywell, LLM, I also Faced
- E-Mail Answers
Answer Posted / kamrul haque
Vibration Sensor are NPN transistor so they can give negative voltage only so they are set -10 v only.its because transistor works linear in -2 to -18v so -2 to-10 8 volts same in -10 to -18 so it can measure both away and near distnce.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
What is shielding effect?
3. Differentiate between ultrasonic flowmeter and radar type flow meter.
principle of automatic votage regulator
Which topics are covered in Process Control?
Which type of diaphragm use in costic line, dm water line, natural gas line, oil line?
What is Span Error
In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.
pls suggest suitable MOC of diaphragm for pressure measurement of UREA grade solution service fluid.
field bus transmitter calibration procedure tell me
How the warning lamp of a charging-system is activated ?
DEAR SIR/MADAM MY NAME IS ARKAPROVA BHATTACHARYYA.I AM A FRESHER INSTRUMENTATION ENGINEER.CAN YOU PLEASE SEND SOME QUESTION PAPERS OF GRADUATE ENGINEER TRAINEE EXAM OF DVC(DAMODAR VALLY CORPORATION).MY EMAIL IDs ARE arka_aec@rediffmail.com.
What are continuances of connecting earthing and shield of branch cables (instrument to Junction box), at the same earthing pot provided on JB? Is it ok, or may produce some problem?
why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.
why we are not using the turbine flow meter in the steam service?
What is the function of solenoid valve in on/off & shutdown valve and why it is not used in control valve normally?
