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In recent years, many
clock movements have been replaced by synchronous electric motor units,
which use the frequency of the mains electrical supply to provide an
accurate timing source.
However, on a typical supply, this will only keep a clock to within a few
minutes a year, and at regular intervals, the clock will need to be
adjusted as well as having to make the BST/GMT time changes manually. |
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The Auto-Sync unit addresses this by generating a battery backed, mains
frequency output that is referenced to the Rugby Atomic Clock radio
broadcasts (MSF), or the GPS system. This provides a consistently accurate
drive to existing electric motor installations, and can provide various
ways of effecting local time changes to in line with daylight saving
changes
- Accurate regulation of the electric motor
through monitoring, comparison and adjustment with the MSF or GPS
signal
- Using the MSF or GPS signal to effect
correct winter/summertime adjustments.
- Hour strike output to one electro-hammer
control with night silencing options included as standard. Westminster
and ting-tang quarter outputs for up to 8 bells available as optional
extras.
- Battery backed so that normal operation is
maintained during power cuts that will run for periods up to 24hrs.
- Internal Calendar controlled lighting
outputs for energy efficient dial or surround illumination available
as optional extras.
- Includes auto-restart feature that shuts
down the unit and the clock in the event of power failures longer than
24hr's and restarts at the correct time.
- Internal crystal-based clock is constantly
calibrated through the MSF/GPS reference that maintains accurate
running during the event of an MSF/GPS signal failure.
- Ease of fitting - the unit is connected
between the mains supply and the clock supply with no modification
required to the existing installation. Output to bell hammer control
via easy wire connectors.
- Available in 240v 50Hz, 120v 60Hz GPS
controlled version available by June 2003
- Unit size - 200m/m x 200m/m x 130m/m,
steel cased, approximately 2.5Kg, wall or floor mounting
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