SMC PTE-30-CH Electrical Substation Maintenance Chronometer

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Handheld 1-ms Digital Chronometer
This 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.

Accuracy: ? 0.01%.
3 selectable display modes: s, cycles, Hz.
Resolution: 1 ms.


Measures the trip time in protective relays.
Measures the time of contact operation.
Measures the duration of a signal pulse.

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