MRC:
A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.ZZZY
Reference Number Differentiating Characteristics:
As differntiated by scale range, scale accuracy rating, scale type, dial size, scale smallest increment, scale adjustment variation, scale inscription/background color, required amount of immersion, separable socket, mounting method, protective glass, case material, case surface treatment, mounting connection type, mounting connection size
