why 4ma show higher zero ? i have transmiter flow renge 0-1000 m3/h but 4 ma show in monitoring 200 m3/h and 20 ma show 1000 m3/h i want when 4ma show 0 m3/h and 20ma 1000m3/h

3 Answers  

---

how to work MIL contol valve posistioner ?

0 Answers   ABB,

---

what are different types of cables used in instrumention how to calibrate a level transmitter online ( rosemount )

1 Answers  

---

Why humidity limit is 30 to 55 % for raw material storage?

1 Answers  

---

please explain clearly in PID controller if We increase P only what will be action of the contrlere.

1 Answers   IMECO,

---

What is the use of valve positioner?

1 Answers   CCIE,

---

what is modbus?and why use it?what benifit

2 Answers  

---

how do calibrate the valves.. with clear manual

0 Answers   Essar,

---

what should be distance from tapping point to inallation place of instruments?

3 Answers   Tasnee Petrochemicals,

---

How can we measure the level of a closed system like drum

3 Answers  

---

For what Wake Frequency Calculation is used?

3 Answers   Reliance,

---

Do you have reference list?

0 Answers  

---