how to trim the pressure transmitter ?

2 Answers  

---

Someone please do mail me some instrumentation questions for Hindustan Petroleum test to avinalexander@gmail.com .Really would be gateful if someone could help me

3 Answers   HPCL, Immersion, IOCL,

---

how u calibate pr tx without master tx?

2 Answers  

---

How to Calibrate variable Head flowmeter (Orifice), here we dont know High pressure and low pressure then how to apply pressure on HP and LP side ?

1 Answers   Nirma,

---

In split range control, we will control 2 outputs with time interval. Eg :(with 4-20 ma signal, for 4-12 ma we are operating one control instrument like valve & for 12-20ma we are operating other control instrumet (other valve). If we get a signal of 15ma to first instrument (Valve 1), what will happened to the first valve, and if we get signal above 20 ma to 2 valve what will happened ?

3 Answers  

---

why we are using pnp npn for sensors is there any other type?

1 Answers   CGL,

---

what are the possible reasons if a control valve fails to open/close?

1 Answers   DEWA,

---

Where can i take training in intools software for Instrumentation design??

9 Answers  

---

Explain types of valves?

0 Answers  

---

whats diffeence between dcs & scada operation.

3 Answers   Orchid, Reliance,

---

what is ABB DCS SYSTEM?

2 Answers   OMV,

---

in sulfur process what is material of impulse line we use to connect with transmitter ? and does teflon affected by sulfur?

0 Answers  

---