(800) 940-2248  

Stylized Line Background Image

CLDNTD12

2.3 in (5.8 cm) 4-Digit LED Display Panel with circular second ticks (red, green, blue, or amber), wall-mountable, syncs to any NTP source.

Masterclock's CLDNTD12 Digital Analog Clock
  • Available in Round or Square configurations
  • Customize display to any color combination
  • Display colors available in red, green, blue, or amber
  • Optional seconds display
  • Adjustable brightness levels with scheduled dimming options
  • Configures to time zone and daylight saving time parameters
  • Display time in 12 or 24 hr format - hh:mm
  • WinDiscovery configuration software
  • Reference NTP, optional TC or VITC sources
  • Visibility: 100 feet (30 meters)

CLDNTD12 & CLDRNTD12

The CLDNTD series of 12-inch digital clocks have an LED analog display of seconds with a 4-digit LED display of hours and minutes. Display colors are available in red, green, blue, or amber. These clocks can reference NTP (or time code with TC optional upgrade) and can be powered via DC (square configuration only) or PoE (Power over Ethernet). Available in Round or Square configurations.

Request a Quote

Reference Documents

SpecificationsCLDNTD12 Digital Analog Clock


  • RJ45 - 10/100MB Ethernet
  • USB for configuration
  • Optional DC power (Input 100-240v 50/60 Hz)

  • Optional DC Power - 24v - 0.5A (square configuration only)
  • Optional PoE (Power over Ethernet IEEE802.3af)
  • Power consumption <10W

  • Temperature: 0 to 60°C
  • Humidity: Up to 90% (non-condensing)

  • Black powder-coated steel chassis
  • IP Rating: IP40
  • Size: 12w x 12h x 2.1d in (30.5w x 30.5h x 5.3d cm),
    Weight: 5.5 lbs (2.5 kg)

  • FCC, ROHS, CE Marked, ANSI

  • 86,700 - 100,000 hrs
  • Calculated using Fixed/Ground Mil HDBK 217 assumption

Request a Quote

Related Products
Related Articles

Latest Scientific Editorial by Dr. Demetrios MatsakisIntroducing Modern Timekeeping & Time Transfer

Read Article