Answer / sandip patel

The shrink/swell effect is caused by small pressure changes causing bubbles in the tubes to reduce (shrink) or increase (swell) as a result of small changes in pressure - so that the mixture of steam and water in the tubes remains at the saturation temperature for the pressure at each location

why dead weight tester called dead weight tester.

5 Answers   QAFCO,

---

can we change the range of 3151 model level transmitter of rosemount make? present calibration range is 1000mmwc and want to change it to 2000mmwc

4 Answers  

---

What happens if the Displacer has fallen or has a hole in it?

1 Answers   CCIE,

---

What are the error values can accepted in flow transmitter calibration?could u give any formula for this?

0 Answers   Hamsco,

---

What is scale factor of proximitor & unit of the viabration.

2 Answers   Sabic,

---

What happen if I install my pressure transmitter below the elevation of pipe in natural gas service?

0 Answers  

---

draw shematic diagram of c/v positioner(smart type)?

0 Answers   Coromandel,

---

Can i convert 230v ac to 24v dc by using a relay?Instead of Smps is it possible? What is relay logic in plc ?? How it works?

2 Answers   Infotech,

---

Which is the best field foundation bus. ( FF ) Yokogawa, Honeywell or others ?

0 Answers   GNFC,

---

why is not useing in boiler skin thermocople

1 Answers   KNPC,

---

If i have 4 Allen Bradely make RS logix 5000 PLC and for viewing that we are using 4 RS view SCADA for 4 different packages. Now, I will want to view two packages on only one SCADA. Then how i will do it?

0 Answers   Essar, Reliance,

---

capillary type tranmitter using remote seals and capillary tubes filled with liquid of known of known density so if you wanna callibrate it just close block valve just before capilary @ high side & connect druck apply it's calibrated range pressure as normal calibration ensure low side block valve must be closed & if you asking commissioning so this is not a DP type pressure tx so simple if you wanna put in servie this tx just open high side block valve & than low side block same way i do it but still transmitter showing -13 ma.just tell me what i want to do ?

1 Answers   Gasco,

---