BS ISO 29821:2018 Condition monitoring and diagnostics of machines. Ultrasound. General guidelines, procedures and validation

Ultrasonic testing
Operating conditions
Leak tests
Diagnostic testing
Sonic testing
Non-destructive testing
Ultrasonic devices
Data acquisition
Measurement
Ultrasonics
Sensitivity
Failure (mechanical)
Measuring instruments

Link: BS ISO 29821:2018 Condition monitoring and diagnostics of machines. Ultrasound. General guidelines, procedures and validation
Source: BSI Standards

ISO 8528-1:2018 Reciprocating internal combustion engine driven alternating current generating sets Application, ratings and performance

Electric generators
Alternating-current generators
Electric machines
Electrical equipment
Reciprocating engines
Internal combustion engines
Prime movers
Electric power generation
Performance
Ratings
Rated power
Classification systems
Installation
Power output
Definitions

Link: ISO 8528-1:2018 Reciprocating internal combustion engine driven alternating current generating sets Application, ratings and performance
Source: BSI Standards