Megger PAT100 Handheld Portable Appliance Tester offer Class I, Class II and power and extension lead testing with fixed pass limits, because it has two insulation test voltages it can be used to test IT and surge protected equipment. This hand-held portable appliance tester enables simple, fast safety testing in all environments including offices, shops and business units. It is ideally suited to training organisations, easy to learn to use, tough and reliable yet with full functionality. With rubber armoured cases and fitted with hardened, scratch proof glass, the PAT100s are exceptionally tough instruments, well able to cope with the treatment it will encounter on site or in the van.