Lock-in Amplifier

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 like at 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 LI 5640 *Discontinued Model Multifunction Digital Lock-in Amplifier (Multifunction type) 1 mHz to 100 kHz Phase stability : 0.01°/°C, Gain stability : ±100ppm/°C Time Constant (at minimum) : 10 µs, Built-in oscillator LI 5630 *Discontinued Model Digital Lock-in Amplifier (Economical type) 5610B *Discontinued Model 2-phase Lock-in Amplifier 0.5 Hz to 200 kHz, 100 nV full-scale Two phases, Auto setting function, Built in oscillator LI-575 *Discontinued Model Synchrotrack Lock-in Amplifier 0.5 Hz to 200 kHz, 100 nV full-scale, Completely free from harmonic influences 5571 *Discontinued Model Lock-in Amplifier Frequency Extender A frequency converter, which can extend upper limited frequency of Lock-in Amplifier up to max. 5 MHz. ⋅ Input frequency: 10 kHz to 5 MHz ⋅ Output Frequency: 2 kHz / 20 kHz