I have not had any problems with other RS232 scales before but have not been able to get them to work even after a few weeks of tech support. I've used an RS232 scale before, so it's not as if I'm unfamiliar with what I'm ordering. All other scaling functions work. The reviews claimed that it wasn't possible to change the units, which I felt was wrong. Just press the unit button and it will toggle between lb/oz, grams and kg.
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