ISA 26 : 1968

1 Purpose
2 Scope
3 Factors to be considered in dynamic response testing
   3.1 Use of data
   3.2 Interaction
   3.3 Nonlinearity
   3.4 Power supply to device being tested
   3.5 Test signals
   3.6 Qualifications of personnel performing tests
4 Recommended tests - sine wave and step
   4.1 Input signals
   4.2 Loading
   4.3 Load configurations
   4.4 Signal generation
   4.5 Parameters
   4.6 Air or power supply and operating conditions
   4.7 Final control elements
5 Test equipment and procedures - sine wave and step
   5.1 Data required
   5.2 Generalized test setup
   5.3 Test equipment
   5.4 Test procedures
6 Data presentation - sine wave and step
   6.1 Sine wave test data
   6.2 Step test data
   6.3 Supporting information
7 Recommended tests - pulse type
   7.1 Input signals
   7.2 Load configurations
   7.3 Signal generation
   7.4 Parameters
   7.5 Air or power supply
8 Test equipment and procedures - pulse type
   8.1 Data required
   8.2 Generalized test setup
   8.3 Test equipment
   8.4 Testing procedures
9 Data presentation - pulse type
   9.1 Pulse test data
   9.2 Step test data
   9.3 Supporting information
10 Glossary
11 Recommended test tabulations
12 References
13 Index

This ISA Standard establishes the basis for dynamic response testing of measurement and control equipment with pneumatic output and electric output and for closed loop actuators for externally actuated control valves and other final control elements.