ISA RP31.1 : 1977

1 Purpose
2 Scope
3 Drawing symbols
4 Specifications
   4.1 Design characteristics
   4.2 Performance characteristics
   4.3 Specific terminology
   4.4 Tabulated characteristics vs. test requirements
5 Individual acceptance tests and calibrations
   5.1 Calibration methods
   5.2 General precautions
   5.3 Calibration and test procedure
   5.4 Specific calibration systems
6 Qualification test procedures
   6.1 Initial performance tests
   6.2 Weight test
   6.3 Temperature test
   6.4 Pressure test
   6.5 Speed test
7 Data presentation
8 Installation
   8.1 Environmental considerations
   8.2 Piping configuration
   8.3 Operation precautions
   8.4 Electrical installation
   8.5 Checkout
9 Signal conditioning and systems considerations
   9.1 Signal conditioning
   9.2 Data presentation
   9.3 Supplemental data
   9.4 Data interpretation
10 Bibliography

Applies to volumetric turbine flowmeters with an electrical output. These are used for measuring flow rate or liquid quantity, and can be self-generating or modulating. Their use in cryogenic fluids needs special considerations, which are not fully described.