Answer / vaibhav v t

ATEX means Atmosphere Explosives.ATEX is europiean body for
issuing certification to instruments for thier use in
hazardous area/application.ATEX has specific marking on
instruments which mentions class, div, temp class,gas class.

Instrinsic safe means it is one type achiving safety for
usisng instruments in hazardous application.Electronics in
instruments is designed in a such way that energy generated
during spark inside is such low so tat it will not ignite
explosive gas-air mixture.All componenets are low power
feed.

What is the difference between PLC-HMI and DCS as each function of DCS based system is possible in PLC ?

2 Answers   Lucky Cement,

---

HOW TO CALIBRATE A PRESSURE SWITCH?

7 Answers  

---

What is difference between differential pressure & delta pressure?

0 Answers  

---

What are primary elements of measuring pressure? Which type of pressure can be measured by these elements?

0 Answers  

---

what is the reason for flow fluctuations happen on differential flow transmitter during in service

2 Answers  

---

How we are deciding while programming in pid controller , What we are using heating or cooling.

1 Answers  

---

How to interfacing microcontroller with a DC motor

0 Answers   JJ Tech,

---

why flow transmitter showing 2.2ma?

2 Answers  

---

kindly sent some demo question and answer

0 Answers   HPCL,

---

what are the selections available in configuring a burnout protection of a controller? thanks

0 Answers   NPC Alliance Corporation,

---

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  

---

If i want use the 6 kg/cm2 pressure gauge then how to calculate its pressure gauge range?

1 Answers  

---