Lock-in Amplifier

LI 5640

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.

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