PQube 3 Installation Manual
Manual#: 851-000135
Version 3.4 – 08/11/2022 Page 17 of 47
1.5.7 Synchronize your PQube 3 clock to GPS time
Your PQube 3 can synchronize its time clock to GPS, which provides a 1
microsecond internal clock accuracy. This is useful for Class A
measurements, or if you need time synchronization for diagnostic and
troubleshooting purposes.
GPS-R Sync Module
The GPS-R module interfaces with OEM TNC type GPS antennas to provide
your PQube 3 with ultra-precise time (no drift) timestamping for power
quality events.
The GPS-R receiver locks onto GPS satellites to provide your PQube 3 with
ultra-precise GPS timing.
Connect the GPS-R module using an RG58C/U cable with 50 ohm
impedance with maximum attenuation of 20 dB. The maximum cable
length is 50 ft cable length.
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