Answer / rajesh.

Compare to SAAB tank gauge measurement, DP level transmitter reading will not accurate. As the crude is viscous and it will choke up impulse tubing. It is better to install diaphragm capillary seal type Dp level transmitter. To calibrate Tx, Isolate primary valve of Hp and Lp tapping. depressurize Tx from manifold. check zero. measure the mmwc of tank and apply the value as per HP calibration.

Answer / prabhu

DP transmitter can be calibrated by fixing the HP tapping on the roof and make the LP as open. now measure the mm/wc of the tank and apply the value as HP for calibration.

defination of radial vibration?

0 Answers   EE Limited, MNC,

---

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  

---

difference between DCS @ SCADA system? and how can use in field

5 Answers   Marafiq,

---

What is Hysteresis mean in Instrument?

11 Answers  

---

i am preparing for BARC ,so plz mail me how to prepare for BARC. ALSO IF POSIBLE SOME RELATED QUESTIONS. MY MAIL ID IS khushi_4uall2003@yahoo.co.in

0 Answers  

---

What is offset in a control system.

2 Answers   Sabic,

---

what is piezo electric transducer?its principle?

2 Answers  

---

Is there’s power on the bus (if so, state whether on the signal bus, or on a separate in the following: a) HART b) Profibus DP c) Profibus PA d) DeviceNet e) Foundation Fieldbus

1 Answers   EIT,

---

compare the thermocouple and pyrometer,which one is the best?why?

4 Answers   Ramco,

---

i have level transmitter -400 to 0 range for steam drum application but i am unable to calibrate if installation of lt below lower tap what will be the effect ? and as per std wht is location of lt ,above lower tapping or below

1 Answers  

---

Could anybody tell how much amps will a single input to plc will consume?

1 Answers  

---

Draw block digram for well head from well to shipping pump?

0 Answers  

---