Load cell scales

A load cell scale comprising:

• weight data generating means for generating weight data corresponding to load weight;
• said weight data generating means including heavy- and light-range load cells provided one on the other, said load cells producing output signals according to load weight applied thereto, and weight data generating circuit means for converting the output signals from said load cells into weight data;
• memory means having first and second memory areas, said memory means including a nonvolatile memory;
• first and second keys;
• and
• data processing means including means for storing in response to an operation of said first key the weight data from said weight data generating means, as zero-point data, into the first memory area of said memory means, means for storing in response to an operation of said second key a difference between the zero-point and the weight data from said weight data generating means into the second memory area of said memory means as span data, and means for producing the weight data resulting from multiplication of the weight data from said weight data generating means by a value as obtained by dividing a preset value by the span data.