Ensure safety and compliance in your workplace with professional Appliance Tester Calibration from Zenith Instruments. Portable Appliance Testers (PAT) are vital for checking insulation resistance, earth continuity, polarity, and leakage currents, but without regular calibration, their accuracy can drift. Our expert technicians use certified standards to guarantee precise results, h... https://zenithinstruments.com.au/pages/appliance-tester