A) Ombudsman - (should get dismissed based on questionable, non australian standard testing procedure and inaccurate non-calibrated measuring device)
B) Small claims court against the officer to recover *any* costs involved due to professional misconduct causing financial penalty
Quite often the police have something similar written into their standards of professional conduct, doing what you said above is a clear breach of their employment contract
"An employee of the Police must know and comply with all policies, procedures and guidelines that relate to their duties
Sworn employees have an obligation to ensure they meet mandatory training requirements.
You should not act outside your level of competency or authority."