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EuroSMC PTE 30 CH Portable TimerThis chronometer detects state changes in normally open or normally closed contacts, as well as positive or negative changes in voltage up to 250 V (AC or DC). The measurement unit can be switched between milliseconds and cycles at any time. A special measurement mode can display the frequency of a voltage signal up to 4 kHz. When used in combination with PTE relay test sets, the PTE-30-CH can also be controlled remotely over the built-in PTE BUS interface.APPLICATIONS- Measures the trip time in protective relays.- Measures the time of contact operation.- Measures the duration of a signal pulse.CHARACTERISTICS- Accuracy: ± 0.01%.- 3 selectable display modes: s, cycles, Hz.- Resolution: 1 ms.