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Lock-In Amplifiers


Lock-In SR124

 

     SR124 Analog Lock-In Amplifier

  • Low noise, all analog design
  • No digital interference
  • 0.2 Hz to 200 kHz measurement range
  • Low noise current and voltage inputs
  • Harmonic detection (f, 2f, or 3f)
  • Selectable input filtering

Lock-In SR830

 

     SR 810 SR 830 DSP Lock-In Amplifier

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

Lock-In SR844

 

     SR 844 HF Lock-In Amplifier

  • 25 kHz to 200 MHz frequency range
  • 80 dB dynamic reserve
  • Time constants from 100 µs to 30 ks (6, 12, 18 or 24 dB/oct rolloff)
  • "No Time Constant" mode (10 to 20 µs update rate)
  • Auto-gain, -phase, -reserve and -offset
  • Internal or external reference
  • Two 16-bit DACs and ADCs
  • GPIB and RS-232 interfaces

Lock-In SR850

 

     SR 850 DSP Lock-In Amplifier

  • 1 mHz to 102.4 kHz frequency range
  • >100 dB dynamic reserve
  • 0.001 degree phase resolution
  • Time constants from 10 µs to 30 ks (up to 24 dB/oct rolloff)
  • Auto-gain, -phase, -reserve and -offset
  • Data logging (up to 65k samples)
  • Smoothing, curve fitting & statistics
  • GPIB, RS-232 and 3.5" disk drive

Lock-In SR530

 

     SR 510 SR 530 Lock-In Amplifier

  • 0.5 Hz to 100 kHz frequency range
  • Current and voltage inputs
  • Up to 80 dB dynamic reserve
  • Tracking band-pass and line filters
  • Internal reference oscillator
  • Four ADC inputs, two DAC outputs
  • GPIB and RS-232 interfaces