In Your Future for Over 100 Years!
Master Clocks > Products > Digital Clocks
Digital Clocks
D225/D400 Series
National Time offers a digital clock series with improved features over previous models. This new microprocessor based secondary clock and National master combine to form a unique time keeping system offering On-Demand time correction. This digital communication format can provide power and instantly correct all secondary clocks to any time of day using only two conductor low-voltage wire. This format eliminates costly battery replacement and lengthy reset schemes. National’s new energy saving power algorithm and low voltage compensation circuitry combine to provide a low current, constant brightness LED display.
DX225/DX400 Series
The DX Series adds field selectable features such as 9 brightness levels, exclusive Architectural Auto-Dim, 12/24 hour display format, 50/60Hz power selection, and time setting buttons for stand-alone operation. Available in wide-bar 2.25" and 4" versions.
DU225/DU400 Series
In addition to all of the above features, the DU Series is a truely universal clock. The DU digital clock can be a drop-in replacement on existing analog synchronous clock systems by National or other manufacturers. Reset input can be from 17 to 132 VAC or 17 to 32 VDC. DU225-6/DU400-6 Series
Add a seconds display to all of the features of the DU225 or DU400 Series features and create this ultimate digital clock. Can be intermixed with all National's digital series and most analog clocks by others.Clear-View Protective Guard
NATIONAL TIME offers a digital clock protective guard superior to other models. Manufactured with heavy duty 18 gauge steel, this guard will stand up to the most demanding installations. The tough polycarbonate window provides obstruction-free viewing of the clock not found in wire guard versions.





