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> Princeton applied research model 124A w/ 117 amplifier
Princeton applied research model 124A w/ 117 amplifier
PRINCETON APPLIED RESEARCH MODEL 124A LOCK-IN AMPLIFIER
w/ MODEL 117 DIFFERENTIAL AMPLIFIER (2 Hz - 210 KHz)
The 124A Lock-In Amplifier measures the RMS amplitude and phase of weak signals buried in noise. Measures signals in picovolts up to 500 millivolts quickly and precisely.
* 2.0 Hz to 210 kHz frequency range
* Meter and voltage outputs are provided for the amplitude
* Phase of the signal may be read from dial
* Measurements are with reference to a synchronizing signal supplied to unit
* External or External f/2 mode: instrument accepts any reference waveform that crosses its mean twice each cycle, and will lock to track that signal over a 100:1 frequency range
* Internal mode: frequency is determined by front-panel dials or by an externally derived voltage
* Preamplifiers (sold separately) provide optimum low noise performance over a wide range of input frequencies and source resistances
The 117 is a Low-Noise Preamplifier plug-in for use in the 124 & 126 Lock-In Amplifier and the 114 Signal COnditioning AMplifier. The unit is self-contained and derives power from the instrument with which it is being used. Input Impedance: 100 Mohms SE/DE Bandwidth: 0.2 Hz to 210 kHz Common Mode Rejection Ratio: 120 dB at 60 Hz
