Answer / himanshu amin

dp trasmitter is having range of few w/c. take example of
you want to calibrate 0-50 in h2o dp transmitter. connect
power supply and multimeter to connection point. connect
small hand pump to high side of dp transmitter. keep low
side of dp open to atmosphere. first check 4ma when both
connection are open to atmosphere. then connect hand pump
to high side and give 12.5, 25.0,37.5 & 50 in h20 and check
8,12,16,&20 ma o/p.

how the 4 to 20 mA signal goes to any controller/indicator,and what is the role of voltage ,12/24 and how to do connection of it, in controller.

1 Answers  

---

installation process of orifice,a question asked for confusion creation in interview by BARC 1.if orifice is tightly fitted with pipe ,it will act like venturi 2.if orifice is left hanging in between liquid it will not create the pressure difference exactly,

0 Answers   BARC,

---

what is temperature compensation?

1 Answers  

---

Somebody can explain me about >Critical Loops, calibrations, ESD critical Loop checks, Logic Diagram / Cause & Effect checks for ESD loops,

0 Answers  

---

Hi, am aniket, I got engineering degree in instrumentation and control, but as their were no job availabilities for engineer's post I started working as instrumentation technician I kuwait, so my question is is this technician's experience worth for getting the position of engineer?

1 Answers   Almeer Technical Services,

---

How RAL(Rotary air lock)works in cement industry?

0 Answers   Jaypee,

---

How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

0 Answers   Siemens,

---

hi this is noor in my work spot, i arranged THERMOCOUPLE in the place of RTD. (in FEED WATER tank). can i use T/C or not?

10 Answers  

---

WHICH INSTRUMENT USED TO CALIBRATE CONTROL VALVE?

8 Answers  

---

Valve positioner and actuators in detail.

0 Answers   MIEPL,

---

How to calculate flow of air bubbler type level transmiter  According hight and density 

2 Answers   Qatar Petroleums, RKS,

---

Give 2 application of quartz crystal used for process parameter measurement.

0 Answers   ADMA OPCO,

---