Wheelchairs - Part 21: Requirements and test methods for electromagnetic compatibility of electrically powered wheelchairs and scooters, and battery chargers

ISO 7176-21:2009 specifies requirements and test methods for electromagnetic emissions and for electromagnetic immunity of electrically powered wheelchairs and scooters with a maximum speed of not more than 15 km/h intended for indoor and/or outdoor use by people with disabilities. It is also applicable to manual wheelchairs with an add-on power kit. It is not applicable to vehicles designed to carry more than one person.

ISO 7176-21:2009 also specifies requirements and test methods for the electromagnetic compatibility of battery chargers intended for use with electrically powered wheelchairs and scooters.

Other parts of this product are listed below:

Wheelchairs -- Part 1: Determination of static stability
Wheelchairs -- Part 2: Determination of dynamic stability of electric wheelchairs
Wheelchairs - Part 3: Determination of effectiveness of brakes
Wheelchairs - Part 4: Energy consumption of electric wheelchairs and scooters for determination of theoretical distance range
Wheelchairs - Part 5: Determination of dimensions, mass and manoeuvring space
Wheelchairs - Part 6: Determination of maximum speed, acceleration and deceleration of electric wheelchairs
Wheelchairs -- Part 7: Measurement of seating and wheel dimensions
Wheelchairs -- Part 8: Requirements and test methods for static, impact and fatigue strengths
Wheelchairs - Part 9: Climatic tests for electric wheelchairs
Wheelchairs - Part 10: Determination of obstacle-climbing ability of electrically powered wheelchairs
Wheelchairs -- Part 11: Test dummies
Wheelchairs -- Part 13: Determination of coefficient of friction of test surfaces
Wheelchairs - Part 14: Power and control systems for electrically powered wheelchairs and scooters - Requirements and test methods
Wheelchairs -- Part 15: Requirements for information disclosure, documentation and labelling
Wheelchairs - Part 16: Resistance to ignition of upholstered parts - Requirements and test methods
Wheelchairs - Part 19: Wheeled mobility devices for use as seats in motor vehicles
Wheelchairs -- Part 22: Set-up procedures
Wheelchairs - Part 23: Requirements and test methods for attendant-operated stair-climbing devices
Wheelchairs - Part 24: Requirements and test methods for user-operated stair-climbing devices
Wheelchairs - Part 26: Vocabulary