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LI 5640 Multifunction Digital Lock-in Amplifier
LI 5630 Digital Lock-in Amplifier

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NF's experienced technique utilizes fully a high speed computing function of Digital Signal Processor, and designs DSP Lock-in Amplifiers for easier operation, cost performance , also with improving high speed and out put stability of setting or measurement response.

Features

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LI 5640 vs LI 5630

Function LI 5640 LI 5630
Input Voltage input yes yes
Current input yes ---
Reference signal Internal, External, signal External
Output Measurement items X, Y, R, , NOISE, AUX IN X, Y, R,
Value, Meter,
External DC output
Double output Single output
X, Y, R,  renewal rate 256k sample/s 256k sample/s
Internal Oscillator yes ---

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