HOW TO CALCULATE WAKE FREQUENCY FOR THERMOWELL???WITH OUT SOFTWARE..

1 Answers  

---

what is vibration a part of proceess variable? if vibration is a part variables then how we minimize the actual vibration on machine on load,? vision of instrumentation contrl plz ans me IPGDL interview question

0 Answers  

---

how to measure low temperature(<100 dec celsisus) with non condact sensor

2 Answers  

---

How to rerange a dp type level transmitter after installation?

1 Answers   NSH,

---

what are the different types of Protocols? & their applications.

6 Answers   Infosys, Sitara Chemical Industries, Syntel, VSNL,

---

---

what are the on/off valve precaution?

1 Answers   Reliance,

---

how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.

0 Answers  

---

Furnace draft transmitter range is -50 to +50 mmwc. why the impulse line connected in hp side?

2 Answers   Arena,

---

what is difference between pressure,flow and level control valve.

3 Answers  

---

what is mean by hot loop and cold loop testing, whts different between both

2 Answers   Honeywell, PDO,

---

what is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

0 Answers   ADMA OPCO,

---

Why trim span ? How?

0 Answers  

---