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home > Products > Measurement Instruments > Lock-in Amplifier/Preamplifier > Lock-in Amplifier

Lock-in Amplifier/Preamplifier
Lock-in Amplifier
LI 5640
LI 5660
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.

Product comparison chart of Lock-in Amplifier

Model Description
LI 5660 Wideband Digital Lock-in Amplifier 0.5 Hz to 11 MHz,
dual phase, dual frequency
LI 5655 0.5 Hz to 3 MHz,
dual phase, dual frequency
LI 5650 Digital Lock-in Amplifier 1 mHz to 250 kHz,
dual phase, dual frequency
LI 5645 1 mHz to 250 kHz,
dual phase, single frequency

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