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EXTECH CTH10 Radio Controlled Wall Clock Hygro-Thermometer

The Extech CTH10 is a radio-controlled wall clock combined with a hygro-thermometer, featuring a large 4.3-inch (109 mm) digit display for easy viewing. It receives time signals from the NIST radio station WWVB, automatically adjusting for the correct time, date, year, and daylight saving time. The device displays current time, relative humidity (RH%), temperature, month, date, and day of the week on a clear LCD screen. Its signal indicator shows the strength of the synchronization signal in three levels, ensuring reliable operation. The clock is equipped with an alarm function, a built-in stand for desktop or wall mounting, and comes with four AA batteries included.

Authorized Distributors
Part No:CTH10
Stock:0
Inv Date:06-05-2026
Price: Unit price: $139.99
Buy/RFQ:
Part No:CTH10
Stock:0
Inv Date:06-05-2026
Price: Unit price: $139.99
Buy/RFQ:
Part No:CTH10
Stock:0
Inv Date:06-05-2026
Price: Unit price: $190
Buy/RFQ:

EXTECH CTH10 Radio Controlled Wall Clock Hygro-Thermometer Specifications:

  • Range: Relative Humidity 20 to 90%, Temperature 23 to 122°F (-5 to 50°C)
  • Basic Accuracy: Humidity 26%RH, Temperature 22°F/1°C
  • Display: Large 4.3-inch (109mm) digit clock, time, RH%, temperature, date, day
  • Dimensions: 16.75 x 11.5 x 1.25 inches (425.4 x 292.1 x 31.75mm)
  • Weight: 2.75 pounds (1.2 kg)
  • Power: Comes with four AA batteries included
  • Features: Signal strength indicator, automatic DST adjustment, alarm, wall or desk mount
  • Connectivity: Receives time signal from NIST WWVB station for accurate synchronization

Buy the Buy Extech CTH10 Radio Controlled Wall Clock Hygro-Thermometer Part Number CTH10 Online

Experience precise time synchronization with the Extech CTH10 radio-controlled wall clock and hygro-thermometer. Featuring a large, easy-to-read 4.3-inch LCD display, it automatically adjusts for daylight saving time and receives signals from the NIST WWVB station for unmatched accuracy. This versatile device displays current time, humidity, temperature, date, and day of week. It’s perfect for offices, factories, or home environments, offering alarm, wall or desk mounting, and reliable operation with batteries included.

Get Extech CTH10 today—designed for accurate timekeeping, humidity, temperature monitoring, and flexible mounting options.

Frequently Asked Questions

Where can I buy EXTECH CTH10?

You can click on the BUY or RFQ button to purchase CTH10 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part CTH10?

You can download the CTH10 datasheet or visit the EXTECH website for support.

Who is the manufacturer of CTH10?

EXTECH

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