BS EN ISO 20361:2019 Liquid pumps and pumps units. Noise test code. Grades 2 and 3 of accuracy

Position
Testing conditions
Sound intensity
Airborne noise
Fluid equipment
Noise (environmental)
Surfaces
Operating conditions
Acoustic measurement
Acoustic testing
Pumps
Design
Rated power
Grades (quality)
Verification
Noise control (acoustic)
Mounting instructions
Microphones
Measurement
Declarations

Link: BS EN ISO 20361:2019 Liquid pumps and pumps units. Noise test code. Grades 2 and 3 of accuracy
Source: BSI Standards