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IMPORTANT - I only repair Ferranti based clocks (check availability)

*** NEW - Uninterruptible Power Supply for slave clock drivers

New product being created - 12v-24v pulse booster for connecting AP clocks into a non-Alternating Polarity system via the EC61 Pulse Converter

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Frequency convertor link
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The frequency of the mains controls the speed at which the clock runs. For this reason a clock made for the UK or Australia will not run at the correct speed in the US and vice versa.
The US mains is 60Hz and UK and Australia mains runs at 50Hz - rather annoying for the clock collector.
electric-clocks.co.uk has developed a frequency converter that will convert 50Hz to 60Hz and run USA clocks in the UK and Australia and other coutntires on 50Hz mains.

There is also a version to run an English clock in the USA.

A small circuit controlled by a crystal and micro-controller and giving either a 0.5 second , 1 second, 30 second or 60 second pulse to drive a slave clock in the absence of a Master Clock. Small enough to fit behind the clock.

The controller activates the armature or rotor of the clock at the desired interval. The clock can then be powered by a battery pack located in the back of the clock or by an external wired power supply if desired. It will come mounted or in a plastic enclosure.

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Frequency Converter for US clocks

Slave Clock Impulse Driver

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A small circuit that takes a standard pulse, say from a synchronome Master Clock, and converts the one direction pulse into an Alternating Polarity pulse. Comes mounted or fully enclosed.

A great little product that allows you to run European clocks as well as your UK and US type.

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Impulse Converter

FERRANTI REPAIRS
VITASCOPE REPAIRS
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Your slave clock will keep perfect time during a power cut

This excellent little UPS plugs straight into an EC4 or EC5 Slave clock driver.

Mini Uninterruptible Power Supply

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