SRS Stanford Research DG535 Four Channel Digital Delay Pulse Generator Option 01

010306  Manufacturer Stanford Research Systems Model DG535 Description Four Channel Digital Delay Pulse Generator Option 01 P/n DG535 Condition Used Additional info ERROR:Ext Clk Error   Dear Customer Thank you for choosing our product. We will be happy to answer any question you have with a swift reply.  If you have any issue with your purchase or delivery, do not hesitate to contact us. We will do our best to clarify and resolve to your satisfaction.  We are in GMT+3 Time Zone, so please be patient and you will get answered :)