on which principle control valve works?

3 Answers   Lupin, Reliance,

---

How can test or measure the probe and extension cable to identify if the problem at the probe or cable or at the driver it self? (pleast notify the measuring method)

0 Answers  

---

what is diffrence between analog card and digital card in plc.how analog card work,Please explain in detail.Please send it on abhi_vyas@sify.com

6 Answers  

---

What is linearity of RTD over 0 to 200 degC?

1 Answers   Honeywell,

---

i am confusing about differential pressure transmitter as i seen so many DPTs in different ranges how can we calculate level and flow with mmh20 plz tel me

1 Answers  

---

---

can any send me a forbes marshall dtron 316 manual

0 Answers  

---

hydrogen purity meter calibrating and commissioning procedure can be explained?

1 Answers  

---

why most of the DP transmitters using maximum range as 0-2500mmwc?why not 1000 2000 3000 4000mmwc

2 Answers   SPIC, TNPL,

---

What should we do when Fisher Fieldvue DVC2000 give some out put air at 4mA bt at that i need no out put

1 Answers  

---

what is differences between singal acting and double action valve

1 Answers   Carlo Gavazzi, Welspun,

---

when an eddy current probe is installed inside of a turbine or compressor in case of probe problem same as:crash of head of probe,changing the scale factor because of low measuring gap(physical gap is ok(example=1.14mm)but voltage is reduced(example=-6 volts),is any way to check the probe,when the ohm of probe is ok.thank you,(Karim Tavakoli)

1 Answers  

---

give eg of how I/P is used in control loops

0 Answers   CEPC,

---