Alfaclock II
Radio-Controlled Clock Movement

For clock dials up to 60 cm in diameter
Automatic feedback control of the hands


Advantages
  • Simple installation, like a regular clock movement.
  • Fully automatic time setting.
  • High reliability through automatic feedback control of the hands.
  • Antenna built-in inside the control unit.
  • Powereful receiver, MSF or DCF.
  • Powered by lithium batteries (8 years duration) or from 230V mains power.
  • Absolute accuracy, automatic summer/winter time changes.
  • LED pilot lamp for signal check.
Movement
Simple and reliable

Thanks to infrared sensors built into the movement, Alfaclock detects any anomaly in the position of the hands and corrects it automatically. This feature also allows the automatic start of the clock, without setting the time or checking polarities. Alfaclock may control 2 movements individually.
Control Unit



Subject to modifications



Technical Data

Movement : Minutes movement. Special low-power version with built-in infrared sensors for the position of the hands. For well-balanced hands (maximum weight : 40 g), dials up to 60 cm in diameter, with protective glass.
Shaft : Long shaft, also adequate for illuminated dials.
Attachment : On the dial, by the shaft of the movement.
Control Unit : High performance receiver with antenna, available for MSF or DCF.
Automatic feedback control of the hands.
Start and time corrections from the 12.00-noon position. Individual control of 2 movements.
Temperature : Operating temperatures from -25 to +70 degrees centigrade.
Power Supply : Battery version: lithium batteries for 8 years operation.
Mains powered versions: Separate 230 volts power supply.

Casing Versions for Control Unit and Power Supply:
A: Control Unit and Power Supply in the same box, 14 x 14 x 4 cm, IP55.
B: Control Unit in Mini Box 12 x 8 x 4 cm, IP55, Batteries in Box 10 x 8 x 4 cm
C: Control Unit in Weatherproof Box 12 x 8 x 6 cm, IP65, Batteries in Box 10 x 8 x 4 cm (not Weatherproof)