EN ISO 15744:2008 PDF

Overview

EN ISO 15744:2008 - Hand‑held non‑electric power tools - Noise measurement code - Engineering method (grade 2) (ISO 15744:2002) is a CEN‑adopted international standard that specifies test methods for measuring, determining and declaring noise emissions from hand‑held non‑electric power tools. The standard defines how to obtain the sound power level of a tool and the emission sound pressure level at the work station under prescribed loading and working conditions. It applies to a wide range of pneumatic and hydraulic hand‑held tools (rotary tools, orbital sanders, reciprocating and percussive tools, assembly tools) while excluding cartridge‑operated tools, fastener‑driving tools, internal‑combustion‑powered tools and certain breakers covered by other legislation.

Key topics and requirements

• Scope and applicability: Tools covered and explicitly excluded; note that the code can be applied to other pneumatic/hydraulic equipment by analogy.
• Sound power determination: Measurement surface selection and calculation method for deriving sound power level (Lw) in engineering (grade 2) conditions.
• Emission sound pressure at workstation: Procedures to determine A‑weighted emission sound pressure level (LpA) and C‑weighted peak levels at operator position.
• Loading and operating conditions: Prescribed loading devices, mounting and running conditions for representative on‑load or no‑load testing to ensure reproducible, comparable results.
• Installation and mounting: How tools should be mounted and fixed during tests to prevent extraneous noise or vibration influences.
• Measurement uncertainty and reporting: Procedures to estimate uncertainty, record test conditions, generate test reports and declare noise emission values.
• Conformity linkage: Informative annexes map the standard to EU Directives (e.g., 98/37/EC and 2006/42/EC), supporting presumption of conformity when cited.

Practical applications

• Product noise declaration for brochures, datasheets and compliance markings
• Comparative acoustic performance testing during R&D and design iterations
• Type testing by accredited laboratories to support CE conformity assessment
• Procurement specifications and supplier evaluations based on sound power and emission pressure values
• Input for workplace risk assessments and hearing conservation planning (note: declared emission levels may not equal actual operator exposure in real use)

Who uses this standard

• Tool manufacturers and R&D engineers
• Accredited acoustic test laboratories
• Certification and conformity assessment bodies
• Occupational health & safety professionals and procurement teams
• Acoustical consultants advising on tool selection and noise control

Related standards

• ISO 3744 - Determination of sound power using sound pressure in a free field over a reflecting plane
• ISO 2787 - Performance tests for rotary and percussive pneumatic tools
• ISO 4871 - Acoustics - Declaration and verification of noise emission values

Keywords: EN ISO 15744:2008, hand‑held non‑electric power tools, noise measurement, sound power level, emission sound pressure level, engineering method grade 2, CEN, noise emission testing.