ES-992U / ES-994U
Click to enlarge images
The ES-992U (12 hour)/ES-994U (24 hour) is a stand-alone clock for applications not requiring GPS or temperature controlled stability. The ES-992U/994U uses the AC line-frequency as a time reference or, optionally, a quartz crystal timebase may be specified. Time Set & Date Display controls are accessible on the top of the case.