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Giant-Digit Radio Atomic Clock909-680.0
Control Company
  • Radio signal from NIST’s Colorado atomic clock automatically sets the correct time/date. Selectable time zones (PST/MST/CST/EST only).
  • Giant 4.75” digits (#909-680-02) are viewable from 200 feet. Model #909-680-04 has 2.25” digits.
  • Automatically adjusts for daylight saving, leap year and even the Earth’s wobble in leap seconds. Maintains better than one-second accuracy. Resolution is one second.
  • Simultaneously displays both ambient and remote °C/°F temperatures with 0.1° resolution. Temperature range: -5 to 50°C (23 to 122°F).
  • Humidity range: 10 to 90% (909-680-04 only). Accuracy: ±5%.
  • Shows date and time in 12/24-hour format. Model 909-680-02 also shows day of the week.
  • Remote module for both models is 4”H x 2.75”W x 1”D.
  • Supplied with batteries, desk stand, wall mount and an individually serial-numbered Traceable® Certificate to indicate traceability to standards provided by NIST.