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NF Lock in Amplifier

Detecting and measuring AC signal's amplitude or phase buried in noise, as high sensitive AC Voltmeter with noise immunity.

Detecting and measuring AC signal's amplitude or phase buried in noise, as high sensitive AC Voltmeter with noise immunity.
This equipment is used by many customers in the fields of physics and science including spectroscopic analysis.

Lock-in Amplifier

Model:

LI 5660/5655/.....

Maker:

NF Corporation

Lock in amplifier By Nf Techno

Specification

Frequency range
LI5660: 0.5 Hz to 11 MHz* *When HF input terminal used
LI5655: 0.5 Hz to 3 MHz
LI5650/LI5645: 1 mHz to 250 kHz
Voltage measurement
LI5660: 10 nV to 10 V*F.S. *When C input terminal used
LI5655/LI5650/LI5645: 10 nV to 1 V F.S.
Current measurement 10 fA to 1 μA F.S. (except for LI5645)
Minimum time constant
LI5660/LI5655: 1 μs
LI5650//LI5645: 5 μs
Dynamic reserve 100 dB or more
Analog output update rate
LI5660/LI5655: up to approximately 1.5 M samples/s
LI 5650/LI5645: up to approximately 750 k samples/
Dual Frequency Simultaneous measurement (LI5660/LI5655/LI5650)
Two sets of dual phase sensitive detectors enable two frequency components included in a single input signal to be measured simultaneously.
Fractional Harmonic measurement
Mesurements at submultiple frequencies of the fundamental wave (1 to 63) / (1 to 63)
External 10 MHz synchronous input
Can be synchronized with the reference frequency of other devices by using an external reference frequency.
Measurement parameters: X, Y, R, θ, DC, Noise
Interfaces: USB, GPIB, LAN
Thin 2U size (88 mm)

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