dataloggers, thermometers, hygrometers...
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FK input module for logger MS
Input for measurement of frequency of contact switching 0 to 5kHz, resolution 1Hz, accuracy ±(0.2% from reading + 1Hz) maximum resistance of closed contact: 10 kohms minimum resistance of open contact: 250 kohms, minimum duration of input pulse: 30us, galvanically unisolated.
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codeM1048