Calibrating fz-350 scales - DigiWeigh 100 X 0.01 Gram Digital Jewelry Pocket Scale

That looks like ab INCREDIBLY long number for a model number. It looks like model and serial joined.

Calibration is factory done and can't be done at home. You have to use a Government certified weight and they are very expensive.

At home, all you do is Zero them, so at rest they read zero.

https://www.google.com/search?q=Calibrating+a+Taylor+model+52609744919105302+scale

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A "C" will appear during the first weighing, this is a self-calibrating feature on some scales. It means the scale is re-calibrating to zero. Please re-weigh for accurate reading. Scale will also re-calibrate after every battery replacement.

Yes. You an find many item this scale and others too. Try here:
http://stores.ebay.com/beaddreamsllc/1-350-Scale-/_i.html?_fsub=643401519

or

http://www.hobbylinc.com/1:350-Scale-Plastic-Model-Ships

a scale is calibrated at half it's capacity. when you use a 50 gram weight to calibrate it, it can still measure 0-100 grams properly.

calibrating

The E message indicates the balances are not going to calibrate. They need to be replaced or repaired.

Here you go, you may check there

According to Tanita, you must send the scale back to the factory to adjust the calibration. As of September 2011 the cost is $125.00

This is more the scale costs.

Moral of the story. Don't buy Tanita.