The ES-572U/574U is a low-cost combination Clock / Timer for applications not requiring GPS or temperature controlled stability. The ES-572U/574U uses the AC line-frequency as a time reference or optionally a quartz crystal timebase may be specified. The unit features independent Time-of-Day and 24-Hour Up Timer functions. Fast/Start and Slow/Stop and Hold/Reset and Clock and Timer control inputs are accessible on the rear connector. Front-panel control switches are available as an option.
Console mount case
.4" Red LED Display
12 hour (ES-572U) or 24 hour (ES-574U) Time-of-Day display
Independent Clock & Timer functions
20-240 VAC (110-120 VAC is standard) & UL options available
Product Options:
C---Crystal Time Base: A crystal reference is employed for those applications requiring independence from the line frequency. A trimming function is included for greater accuracy (2-3 seconds/week).
D---Remote Control: This option consists of a connector wired to switches on a control plate via a six-foot cable. Extra cable available.
J---220 VAC/50 Hz Operation: The unit is configured to operate from 220 VAC line voltage. 117 VAC 50/60 Hz is standard.
M---Front Mounted Switches: Front Mounted Push Button Switches - available only on select "70 Series" units.
UL---"UL" Approved Power Supply: The unit is supplied with a UL/CSA approved wall mount power supply.
V---DC Power: 12 VDC Power Input replaces 110 VAC.
W---3-Wire Power Cord: Recommended where static charges can occur. Standard on many units, otherwise a 2-wire cord is supplied.