device for taring: • without altering the weighing range for net loads (additive tare device); or • reducing the weighing range for net loads (subtractive tare device). The tare device may function as: • a nonautomatic device (load balanced by the operator or tare preset by the operator); • a semi-automatic device (load balanced automatically following a single manual command); or • an automatic device (load balanced automatically without the intervention of an operator)