With the New Jersey Supreme Court about to evaluate the accuracy of the state’s new drunken-driver breath tester, the manufacturer wants to intervene — lest it be handed a big bill.

Draeger Safety Diagnostics Inc., maker of the Alcotest 7110 MKIII, takes issue with part of a special master’s report that, after four months of evidentiary hearings, gave a green light to routine admission of the machine’s readings in drunken driving cases, without need of expert testimony.