Check the listing for details. HP/Agilent 5071A Primary Frequency Standard. Condition: Used. Listed at 29997.00 USD. HP/Agilent 5071A Primary Frequency StandardItemMake: Agilent/KeysightModel: 5071AItem Specifics/Condition To be tested prior to shipment (Cal & ext warranty available upon request)Description Primary Frequency Standard Description The Agilent 5071A primary frequency standard delivers unsurpassed accuracy, stability and reliability for the most demanding laboratory and field applications. It is the first caesium (cesium ) standard to specify its stability for averaging times longer than a day. With a specification for 30-day averaging time, the 5071A's performance ensures that your calibration services are available longer. The 5071A is easy to use. Automatic startup is simple and requires no adjustments. A logical menu structure simplifies front-panel operations, selections, and status reporting. The 5071A can be operated and maintained anywhere. All controls are programmable, status can be checked remotely, and no adjustments or alignments are necessary during operation. An internal battery provides 45 minutes of backup in case of AC power failure. Performance suited to advanced communications and tracking systems Frequency accuracy to 5 x 10-13 Long-term stability better than 1 x 10-14 Proven track record in military and commercial applications Easy to use with automatic startup and intuitive menu structure Images Term of sale Included Items: This sale does not include probes, cables, manuals,power cords or any other accessories unless otherwise stated or pictured.