Hye all members in this group,here i need some help from you guys.The first one is:

1.what book need i refer for a dry leg and wet leg trasmitter installation?
2.open tank and close tank pressure transmiter installation
3.principle of thermocouple,vortex flow meter,ultrasonic level measurement,displacer level instrument,burbler method transmitter,rtd pt100.
4.criteria consideration of selecting any field instrument to be used at chemical plant.

If someone have some info or handbook of the question on top please upload or sharing.TQ