What does 450/550N mean?
These numbers refer to the tilting mechanism of the ErgoDynamic. 

 
The N stands for Newton and corresponds with the level of resistance of the mechanism that causes the seat to tilt according to your weight shift. Heavier people need heavier mechanisms:

350N weight   < 110 lbs

450N weight   110 - 160 lbs

550N weight   160 - 240 lbs

650N weight   > 240 lbs (maximum 275 lbs, extra-wide seat)

 

Instructions on how to read the label on the back of your chair.

 


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Panasonic Wellness Group

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BQ Ergonomics LLC

11888 West 91st Street

Overland park, KS 66214

Office: 877.938.9034

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