450S - Scitec Instruments Lock-in Amplifiers

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Technical Specifications

High end frequency limit

Dynamic Reserve
100 dB max

Min. Time Constant
1 us

Max. Time Constant
1 us

Extra Specifications
DSP Lock-in Amplifier

Product Description

Scitec Instruments Model 450S is a dual phase DSP lock-in amplifier. It has been designed for computer control and features both Ethernet and RS232 interfaces. All settings can be managed under browser control. State of the art electronics has been used to produce an instrument that is exceptionally versatile and easy to use. The instrument performs all the usual measurements of a dual phase lock-in amplifier, measuring the in-phase and quadrature components, vector magnitude, and phase angle.

  • Dual phase instrument 
  • Voltage or current input
  • Gain settings from 1 µV to 1 V
  • Frequency range from 1 mHz to 200 kHz
  • High performance wide bandwidth input gain stage
  • Digital demodulation
  • First and second order digital filters with time constants from 1 µs to 500 ks
  • Operation at 1/8, 1/4, 1/2, 1, 2, 4, 8th harmonics of the reference signal
  • Ethernet and RS232 interfaces
  • Control selection and adjustment by onscreen menus and sub-menus via web browser
  • All outputs are general purpose and fully programmable