in any transimitter (flow/level) there are three terminals for supply& test (+,-,+)in two wire,24VDC given to Tx.,but how 4-20 ma signal travels thru same wire (as it is for 24VDC input supply)?
1 5061for commissioning the DPT and Flow Transmitter , what kind of necessary activities we have to check and do? specially that orifice flange valve[ isolation valve}
L&T,
1 8848Is wet leg type system nessesary to measure water level of steam DRUM? How the transmitter is calibrated to measure this level?
2070please suggest me, how can i change the display setting in term of unit in place of % of Honeywell pressure transmitter ST3000S100?
2 4906Condensation within a sight glass? Would you expect there to be more problems when using a sight glass if there is condensation on the inside or the outside of the glass, and why?
1 3795Post New Instrumentation Questions
need to calculate flow rate with the help of dp range and orifice bore dia and size. range is 0 to 400 inwc and orifice size is 12 inch 150 # rf and bore dia is 7.180 inch. need to calculation for flow rate
Explain the mechanism behind the turbine meter.
How to Calibrate Level Switch in field
Explain Gas Turbine startup and shutdown sequences
Hi, I am Newely Joined in Construction company instrument engineer? Any one can Plz tell me How can I advanced preparation for Releated Engineering and construction Documents?
-/5A. What is the meaning and limitations of this in energy meter constant. It is a 3 phase LT Energy Meter. If this Energy Meter is connected through a CT of ratio 200/5 Amps, then what is the multiplying constant and how its will be calculated.
what do u mean by compensation n pid tunning?in pid tunning what you tunned?is it possible 2 tune p i d
what is the protection system in solar turbine compressor
What should be the main consideration while starting the Rotating compressor when we dont know the cut in and the cut off pressure setting of the pressure switch
What is the procedure of calibration of Load cell?
what is sliding spool valves?
What is the constant voltage unit?
How to calibrate H2s Dectector
How you calibrate absolute pressure with the calibration range of 0 to 1000 0C Absolute. Please explain the procedure for calibration.
A valve in series with an orifice plate (DP transmitter), is aligned for constant pressure in the pipeline, if there is an error dx, How to align it in process.