Model	Low end frequency limit	High end frequency limit	Voltage Noise	C.M.R.R.	Dynamic Reserve	Min. Time Constant	Max. Time Constant
SR530	500.00 mHz	100.00 kHz	7 nV/vHz at 1 kHz (typ.)	100 dB (DC to 1 kHz, degrades by 100 dB (DC to 1 kHz, degrades by 6 dB/oct above 1 kHz)	LOW (20 dB), 5 ppm/°C (1 µV to 500 mV sensitivity) NORM (40 dB), 50 ppm/°C (100 nV to 50 mV sensitivity) HIGH (60 dB), 500 ppm/°C (100 nV to 5 mV sensitivity)	1 msec	100 sec
SR510	500.00 mHz	100.00 kHz	7 nV/vHz at 1 kHz (typ.)	100 dB (DC to 1 kHz, degrades by 100 dB (DC to 1 kHz, degrades by 6 dB/oct above 1 kHz)	LOW (20 dB), 5 ppm/°C (1 µV to 500 mV sensitivity) NORM (40 dB), 50 ppm/°C (100 nV to 50 mV sensitivity) HIGH (60 dB), 500 ppm/°C (100 nV to 5 mV sensitivity)	1 msec	100 sec
SR810	1.00 mHz	102.40 kHz	6 nV/vHz at 1 kHz	100 dB to 10 kHz, decreasing by 6 dB/oct above 10 kHz	>100 dB	10 usec	30 ksec
SR830 SR830	1.00 mHz	102.40 kHz	6 nV/vHz at 1 kHz	100 dB to 10 kHz, decreasing by 6 dB/oct above 10 kHz	>100 dB	10 usec	30 ksec
SR844	25.00 kHz	200.00 MHz	2 nV/vHz (typ.), <8 nV/vHz (max.)		80 dB	100 usec	30 ksec
SR850	1.00 mHz	102.40 kHz	6 nV/vHz at 1 kHz	100 dB to 10 kHz, decreasing by 6 dB/oct above 10 kHz	>100 dB	10 usec	30 ksec