used, Symmetricom Cesium Time & Frequency Standard PRS-4500, Stratum 1 primary source, made in USA;
please check the status page for the unit working status;
inside Cesium Beam Tube is 7613A/077, OCXO is MTI 250 5MHz; the config same as CS4000 or CS III standard, please check the frequency domain (phase noise), time domain (frequency offset) test, allan deviation test from the testing picture, PN testing config:
Symmetricom 5125A, reference using Wenzel ultra low phase noise OCXO with Microsemi Cesium;
the PRS-4500 include one 10MHz sine wave port (BNC), one 5MHz since wave port (BNC); two E1/T1 (unbalance) port, two E1/T1 (balance) port, one CC port for telecom use;
the weight about half as Agilent 5071A, only 32 Lb, working power consumption about 36 Watts (during the warm up is 48W);
the PRS-4500 using dual -48V power supply (one input can work, another one is hot standby); any other info please search google, please download "Monitor3" application software from Microchip web site;
the auction include:
one PRS-4500 timecesium standard;
one AC/DC adapter with DC cable;
one USB-RS232 cable;
free deliver to US 48 states.