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Anfatec's lockin amplifiers use a unique DSP technology which is only found in these instruments.
High speed real-time data processing is combined with optimized analogue input stages.
Fully digitally designed high quality filtering ensures an excellent suppression of background signals and an unsurpassed dynamic reserve.

USB Lock-in Amplifier

10 mHz to 250 kHz

USB_Lock-in_Amplifier_250

135 dB Dynamic Reserve

Integrated PID Control

1 µs Time Constant

Multi Lock-in Amplifier

10 mHz to 250 kHz

Multichannel_Lock-in_Amplifier

up to 7 USB Lock-In in one

Differential & Dingle Input

3 HE 19" Housing Lock-In

Comparison Table of all Anfatec Lock-In Models

Printversion
Print
AMU 2.4 AMU 5.0 eLockIn203 eLockIn204/2 eLockIn205/2 USB Lockin
Inputs Single Input Dual input
A, A-B, A&B
Single Input
typ. Noise @ 10 kHz and 100 kHz 8 nV / √Hz 2.5 nV / √Hz 2.5 nV / √Hz 3.5 nV / √Hz 4 nV / √Hz 4 nV / √Hz
Interface PCI PCIe Ethernet / USB USB
Calibrated Frequency Range 3 mHz to 1 MHz 3 mHz to 2 MHz 10 mHz to 250 kHz 10 mHz to 1 MHz 30 mHz to 10 MHz 10 mHz to 250 kHz
Time Constants 100 µs - 5 s 200 µs - 5 s 200 µs - 1 ks 200 µs - 1 ks 0.1 µs -1 ks 10 µs - 5 s
in Sync-Mode 1 - 200 cycles 1 - 200 cycles 1 µs / 1 - 200 cycles 0.1 µs / 1 - 200 cycles 1 µs
Aux Out - 8 channels
156 kHz
24 bit
8 channels
1 MHz
18 bit
2 channels
250 kHz
18 bit
Spectrum Acquisition mHz to 4 MHz mHz to 250 kHz mHz to 2 MHz mHz to 20 MHz mHz to 1 MHz
External Trigger TTL Sine > 50 mVrms,TTL Sine Wave > 50 mVrms, TTL Sine Wave > 50mVrms, TTL
Optional I/U converter - - Yes Yes - -
Input impedance 100 kΩ || 15 pF 1 MΩ || 15 pF 1 MΩ || 15 pF 1 MΩ || 15 pF 1 MΩ || 15 pF 1 MΩ || 20 pF
List Price 1550 € 1830 € 5030 € 6900 € 9180 € 2670 €
More information about Lock-In Amplifier Theory