Timecode Display & Countdown Clock 6475

Looking for a reliable IRIG B timecode display or countdown clock?

The ITS Model 6475 is a versatile, high-visibility device.  That decodes and displays NASA 36 IRIG B serial timecode or functions as a precision countdown timer. With large 4-inch red LED digits and a clear DDD:HH:MM:SS format.

It’s ideal for applications requiring accurate, easy-to-read timekeeping.

Read on to discover its full range of features and benefits.

Compact. Accurate. Rack-Mountable.
The ITS Model 6275A is a compact, 1U rack-mountable timecode display and countdown clock.  That decodes and displays IRIG B serial time code in a bright, easy-to-read LED format. Designed for precision timing applications in aerospace, defence, and broadcast environments.  In addition, the 6275A delivers reliable time display and countdown functionality in a slim, space-efficient enclosure.


Key Features:

  • IRIG B Time Code Decoder: Accurately decodes IRIG B serial time code (IAW IRIG Standard 200-98).  In addition, with input levels from 0.5V to 15V peak-to-peak.

  • High-Visibility Display: Nine-digit, red LED display showing DDD:HH:MM:SS with 1-inch high characters.

  • Adjustable Brightness: Eight-level intensity control via front-panel rotary switch.

  • Internal TCXO Clock: In the absence of an external time code signal. A temperature-compensated crystal oscillator (TCXO) maintains accurate time.

  • Visual Signal Loss Alert: Flashing colons at 1Hz indicate loss of external timecode input.

  • Multi-Power Options: Operates on 12VDC or 115VAC with included wall-pack converter.

  • Durable Enclosure: Rack-mountable aluminium housing – 19” wide x 1.75” high x 1.5” deep (excluding connectors).


Dual Functionality:

The 6275A not only functions as a standard IRIG B time display.  But it can also be used as a countdown clock, with precise 1-second tick synchronisation for timing-critical applications. Whether time code is present or not, the internal clock ensures continuity and reliability.


Applications:

  • Flight test and telemetry systems

  • Mission-critical timing in defence and aerospace

  • Time synchronisation in broadcast and industrial control

  • Research facilities requiring accurate event timing


Specifications Summary:

SpecificationDetails
Time Code InputIRIG B Serial (0.5 – 15Vpp), BNC connector
Display9-digit, 7-segment Red LED, 1.0″ character height
Clock TypeTCXO, ±2×10⁴ accuracy in absence of IRIG input
Power Input12VDC or 115VAC via wall adapter (included)
Operating Temperature0°C to +55°C
Humidity Tolerance95% non-condensing
Enclosure Dimensions19” W x 1.75” H x 1.5” D (excluding connectors)
Mounting1U Rack-Mountable Aluminium Enclosure

More from EON Instrumentation

Finally, the ITS product line, including the 6275A, is now manufactured and supported by EON Instrumentation. Therefore, all units are built and customised in the USA under AS9100D-certified quality systems.  Ensuring reliability for mission-critical environments. This acquisition expands EON’s capabilities in timing, video, and mission system solutions from flight test through to deployment.


Need More Information?

Contact us to learn how the 6275A Timecode Display & Countdown Clock can enhance your timing and synchronisation infrastructure.

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6475 Time Code Display