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This item is a new NF Corp LI5650 Lock-in Amplifier 1 mHz - 250 kHz Dual Phase Dual Frequency. Ending Soon. It takes just about two cycles to lock on to the reference signal even at low frequencies. Furthermore, a moving average filter synchronized with the signal cycle obtains a high-speed response with a small ripple.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.