How to Calibrate Penumatic Transmitter.LRV= -60 URV= -20.Can
u give me Answer.
- 9 Answers
- 18832 Views
- ABB, I also Faced
- E-Mail Answers
Answer Posted / sandeep patel
connect transmitter in bench setup, left LP side of transmitter open to atmosphere and apply -60 mmwc to HP side and check it s o/p is 4 mA or not and if it is not, then do zero trimming. then apply -20 mmwc to HP side and check o/p is 20 mA or not otherwise fo span trimming.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.
If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?
why we use 3 wire rtd direct wiring for temperature measurement instead of temperature transmitter like bearing temperature
Why we are using reverse action in displacer types level transmitters on some Vessels?
Where are oxygen analysers installed in cfbc boilers? What are their usual readings?
why we are using digital signals for I/O & how to measure this signals is getting or not ?
hi! i want to know about mpse exam.
how can i check vortex shedder bar it is ok? if there is ohms condition are shown correct?
Define cryogenic?
all types of liquid analyzer principle with drawing?
What is standard of DCS panel design?and what is step of DCS panel design?wiring and type of connector(screw or DB connector)
Can I route 110 VDC and 24 VDC in a same Duct for our Interposing relay cabinet? IF yes or NO Please provide me IEEE Std. for the same. Please i required it on Urgent basis, i need to design IRP Cabinets and we have MCC 110VDC and Our Coil side is 24VDC, Please help as soon as possible.
in natural gas indirect water bath heater,how to prevent the problem of backfire from firetube during ignition...becoz of this backfire performance of wbh is going low.
define feed forward control loop with example and drawing?
hello friends, can you please send me the model paper or question paper to be prepared for hpcl examinations????????? You can mail me at rahim_here@yahoo.com waiting for your reply........... help me .. plz.....
