Par 128a Lock In Amplifier, 0.5 Hz - 100khz, Reconditioned

US $380

  • Lebanon, New Jersey, United States
  • May 29th
PAR-128A with analog meter, inputs and outputs on the front; calibrated 0.5 Hz to 100 kHz, 1uV to 250 mV rms full scale; Switchable low and high pass filters, Requires external ref. signal. Automatic frequency tracking; No tuning is required   noise<10 nV/Hz^1/2 @ 1 kHz, Shown with  a 100 mVrms @ 1kHz signal being applied after calibration. Input Impedance: 100 Megohm Common Mode Rejection:100 dB Ideal for teaching labs. We guarantee a working amplifier.

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