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Extech CTH10A
Digital Radio Clock/Hygro-Thermometer, Temp and Relative Humidity

  • Receives Time Code from NIST Radio Station WWVB (North American region) to maintain accuracy within 1 second (North America region)
  • Signal indicator displays signal strength in 3 levels to indicate successful synchronization
  • LCD displays Time, Relative Humidity, Temperature, Year, Month, Date, and Day
  • Time can be displayed as 12 or 24 hour format
  • Large 4.3" (109mm) digit clock display can be easily viewed from a distance
  • Automatically adjusts for daylight savings time (DST)
  • Programmable Alarm Clock with Snooze feature
  • Built-in stand for desktop or wall-mount
  • Complete with built-in stand and three C size batteries
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Extech CTH10A Shown
Product Information
Datasheet 248 KB PDF
Manual 477 KB PDF
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The Extech CTH10A attractive wall clock features an oversized 4.3" (109mm) digit time display that can easily be seen from a longer distance than regular sized clocks. The CTH10A receives Time Code from NIST Radio Station WWVB and it automatically adjusts year, date, day, hour, minute, second, and Daylight Savings Time. In addition, the CTH10A also measures Temperature and Relative Humidity! Perfect for desktop or wall mount display.

Ordering Information
Model Description Buy Now Price
CTH10A Extech CTH10A Digital Radio Clock/Hygro-Thermometer, Temp and Relative Humidity Buy Now $99.99
Included Accessories
  • 1 - Stand
  • 3 - C size batteries
Included