SRS SR625 Frequency Counter
Rubidium time base with 11-digit resolution, 2 GHz prescaler, 10 MHz reference output, statistical functions, Allan variance and GPIB/RS-232 interface.
- Rubidium atomic timebase
- 2 GHz prescaler input
- 11-digit frequency resolution (1 s)
- 10 minute warm-up period
- Portable operation
- 10 MHz Rb timebase output
- Statistical analysis & Allan variance
- Hardcopy to printers and plotters
- GPIB and RS-232 interfaces
The SR625 Frequency Counter is a NIST traceable frequency counting standard for calibrating base stations, transmitters and many other types of communication systems.
It combines the high resolution and wide variety of features found in the SR620 counter with the atomic accuracy of a rubidium timebase.