In instrumentation standard we use 4 to 20ma for transmission , why cant we use 3 to 19ma ?

1 Answers   NSH,

---

Explain Gas Turbine startup and shutdown sequences

0 Answers  

---

How to find out the current of two motors having same power consumption but different RPM?

0 Answers  

---

what is the difference between Ethernet unmanaged and managed Switch?

2 Answers  

---

what is the difference between(Flame proof/Explosion proof)& Fire proof instruments.Both are same or different & if different in which way because the transmitter which have approved ATEX flame proof enclouser but it use PTPE O ring & PTFE Head Gasket,so its (fire safe/fire proof)????????

4 Answers  

---

---

if a dp transmitter has range 100 in H2O and flow is 20mmcf and if the flow is changed to 25 mmcf then what is the formula to determine new range of transmitter

1 Answers   TATA,

---

Whether the DP transmitter can be utilised in the medium of Vaccum for the measurement of Level?

10 Answers  

---

what is the deluge ? How can its working?

2 Answers   KOC,

---

how 3 out of 2 Logic/interlocks works? give brief explanation with help of diagram.

0 Answers   Adani Power,

---

Can you explain drawbacks between P,I,D & PID controller

1 Answers   JSW, Priya Cement, TPL,

---

what is the difference between the microcontroller and PLC?

9 Answers   HAL, Havells,

---

what is cascade controller ?

6 Answers  

---