Hi Steve,

IMO, EN 60204-1 is the wrong standard. You said that the cart is used in a lab 
setting. You need to use a lab equipment standard, and for the EU EN 61010-1 is 
the correct choice.

If not that, then you really need to add a bunch of additional machinery 
related standards, which I also think is the wrong choice since the cart 
doesn’t sound like it meets the definition of a machine.

--
Doug Nix
[email protected]
(519) 729-5704

"Our greatest weakness lies in giving up. The most certain way to succeed is 
always to try just one more time." - Thomas Edison



> On Jul 22, 2023, at 15:51, Steve Brody <[email protected]> wrote:
> 
> A client has a product which is a mobile cart intended for a laboratory 
> setting in which it can be moved to whatever lab station it is needed at.  It 
> is on casters and when wheeled to the working location, leveling feet which 
> are located in the center of the castor mount, are lowered and locked into 
> position to keep the cart from moving and to ensure it is level.
> 
> The product will be evaluated to EN 60204-1, but there is no reference to 
> stability in this standard.
> 
> First question is should EN 61010-1, 7.4, be used to evaluate stability, and 
> if not then what?
>  
> Assuming yes, the first sentence of 7.4 says; 'Equipment and assemblies of 
> equipment not secured to the building structure before operation should be 
> physically stable.'
>  
> Second question is does this section apply to the cart only when in position 
> for use, or also when being moved from location to location? 
>  
> Because when in use the cart is supported by [properly rated] feet, then the 
> tests for castors should no longer apply?.
> 
> That is the third question.
>  
> Your thoughts and comments are requested and appreciated, as always. 
>  
> Thanks,
>  
> Steve Brody
> [email protected] <mailto:[email protected]>
> C - 603 617 9116
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