Digital Elapsed Timers
Clock Systems Overview Wired Clock System Wired Digital Elapsed
Timers
Digital Elapsed Timers
The National Time DLU
Series Digital Timer/Clock offers operation and features beyond those found throughout the
industry. While functioning as a clock, it has all of the features found in DLU Series digital
clocks. This 6-digit high efficiency display can count up or down durations of 99:59:59. National
Time's exclusive automatic dim feature that decreases the brightness to compensate for low ambient
light levels is preferred in today's high-tech surgical suites while nine brightness levels may be
selected to satisfy the brightest locations. The optically isolated input allows control of the
timer from other equipment for use as a code blue or other process cycle timer. Multiple timer
operation modes may be selected (see below) and a integral beeper or remote output can signal the
end of the countdown cycle. Local control of the timer functions is handled with the DLU-ET-CTRL
series switch plates (order separately). The waterproof, IP65 sealed, heavy duty rocker switches
on a stainless steel single-gang plate provide remote timer controls up to 100' away. The DLU
Series Digital Clock/Timer units are powered with 24VAC/DC and are available in attractive 4" or
2.25" high visibility, wide-bar digits. Digits are epoxy filled and sealed to provide the
longevity you have come to expect from National Time. Compatible with 120VAC powered systems or
stand-alone using local power when the D2T-120/24 transformer is mounted at each unit. The durable
steel housing, plug-in connectors and universal mounting plate simplify installation. An optional
low profile surface box allows for surface mounted conduit entry. Powder gray finish standard,
other colors upon request. Consult factory for 4-digit 59:59 duration version.
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Specifically Designed for Today's High-Tech
Surgical Suites 