Anfatec Instruments AG
Measurement Science and Technology &
Scanning Probe Microscopy

USB LockIn 250

250 kHz 2-phase LockIn Amplifier




Parameters - Datasheet

  • 2-phase digital lockin amplification
  • << 10 nV/Hz1/2 @ 100kHz
  • User-friendly software interface
  • 10 nV to 10 V sensitivity
  • 1 us time constant in sync mode
  • 10 s to 1 s time constant in Butterworth filter mode
  • Remote control via USB 2.0
  • IN: Sigma-Delta-A/D-converter with 20 MSPS sampling rate
  • 0.1 Hz up to 250 kHz, 135 dB dynamic reserve
  • Synchronous filtering over full frequency range
  • 14-bit Sine Wave Generation 0.1 mVrms to 7 Vrms
  • Spectra Acquisition up to 250 kHz (1 MHz)
  • Digital Results: float
  • Two Auxiliary Analogue Outputs with 1 s Group Delay
  • Open source software examples
  • Free DLL, 32Bit Windows Driver and Remote Program



Manual for download here


List Price: 2670 €


USB LockIn 250 Frontside


remote control via USB
TTL input and output
2 analog output channels