# GPS-TIME SYNC
The GPS 430 GPS Synchronization Module guarantee that the time clock uncertainty of the Fluke 430 series Power Quality Analyzers does not exceed ±20 ms for 50 Hz signals, according to IEC 61000-4-30.
This performance is necessary to ensure that Class A instruments produce the same 10 minutes aggregation results when connected to the same signal. The GPS 430 can only be used on the Fluke 430 series Power Quality Analyzer.
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*Demonstrations can only be scheduled within the UAE