Model 5508 -Quartz Clock

The Model 5508-00 Quartz Clock utilizes a laser tuned, hermetically sealed Quartz oscillator. Designed as a chart drive for Type A and F Recorders, this instrument offers precise timing with minimal power consumption. A 6 to 15 VDC battery assures continuous operation. With the Model 5508-00, the user can select the chart speed for the recorder. The `Fast Advance` push button takes up chart slack and adjusts chart time.