Stanford Research SR810 DSP Lock-In Amplifier 1mhz-100khz


The SR810 Lock-In Amplifier and SR830 Lock-In Amplifier provide high performance at a reasonable cost. The SR830 simultaneously displays the magnitude and phase of a signal, while the SR810 displays magnitude only.

Both instruments use digital signal processing (DSP) to replace the demodulators, output filters, and amplifiers found in conventional lock-ins.


  • 1mHz to 102.4kHz range
  • >100dB dynamic reserve
  • 5ppm/°C stability
  • 0.01 degree phase resolution
  • Time constants from 10µs to 30ks (up to 24dB/oct rolloff)
  • Auto-gain, -phase, -reserve and -offset
  • Reference source
  • GPIB and RS-232 interfaces


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