Tom from SWISCO responded:
August 4, 2017
This could be our S350-28, yes. The stamp is not a part number, it's only indicative of spring strength. There is no number on your balance that will tell you what it is, the only thing that will confirm is the style and size of the nylon shoes. From what I see in your pictures, as long as the bottom shoe is the same size as the 15-002, then the S350-28 should be okay.
I would also recommend the 2730 option. You can always weigh your sash to confirm that this is correct. |
Tom from SWISCO responded:
August 22, 2017
No, there isn't enough info in the photo to make a positive identification. Here's how you can tell: measure your bottom shoe as shown below. If it matches the 15-002 on the right, you've got a Series 350.
Comparison of 15-001 & 15-002
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