DIFFERENTIAL PRESSURE MEASURING ELEMENT - PISTON
A class with identifier
http://staging4.data.posccaesar.org/iso/15926-4/rdl/RDS2225792
| Definition | A <DIFFERENTIAL PRESSURE MEASURING ELEMENT - PISTON> is an <INSTRUMENTATION ITEM> and a <DIFFERENTIAL PRESSURE MEASURING ELEMENT> where the high and low pressure are separated by a <PISTON> | 
| ISO number | 26447 | 
| RDS number | RDS2225792 | 
| Source | Instrumentation |