• Double-line display of weekday, day, month, hours, minutes and seconds
• 12 or 24 hours mode
• Modes of operation:
• Stand-alone quartz clock
• Slave clock (synchronised by polarised 24 V DC minute impulses of a master clock)
• Synchronisation directly from DCF- or GPS-receiver
• Green bright LED dot-matrix display with 50 mm digit height
• Readability up to 25 m
• Data storage up to 3 days in case of mains failure

Technical specifications:

• Case: Aluminium, rectangular flush mounting case
• Accuracy: ±0.1 sec./day (at 20…25 °C)
• Power supply: 220…240 V AC / 50 Hz
• Ambient temperature: 0…45 °C
• Dimensions (WxHxD): Case body 480 x 180 x 55 mm
• Front panel 492 x 192 x 3 mm
• Weight: approx. 3 kg

Options:

• R4-DCF: DCF-77 radio synchronisation antenna
• R4-TEMP: External temperature sensor
• R4-TC400: Time Code input for operation as self-correcting slave clock in combination with master clock series BMCa