SE2012 DSP Lock-In Amplifier (Dual Channel)

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SE2012 DSP Lock-In Amplifier (Dual Channel)

Overview Specifications Ordering Resources

SE2012 dual-channel lock-in amplifier is the latest core technology product with excellent high performance and broadband measurement capabilities. Based on digital modulation technology, the instrument is equipped with a 24-bit high-precision analog-to-digital converter (ADC) and a 16-bit high-speed analog-to-digital converter (DAC). With the newly launched stream architecture, it can accurately, quickly and flexibly detect effective signal components hidden in strong noise.

SE2012 has two independent and synchronous input channels, which can not only measure the amplitude and phase information of two input signals at the same time, but also reach the international leading level in key performance indicators such as measurement accuracy, operating frequency range, signal-to-noise ratio and dynamic reserve. In addition, the newly added multi-harmonic measurement, oscilloscope and spectrum analyzer functions, and PID control functions make SE2012 widely applicable to various needs in scientific research and industrial fields.

SE2012 Unit Price: US$10,036.00

Key Features

Measuring frequency range 10μHz to 250kHz

Input noise as low as 2.5nV/√Hz

Input range 1nV to 5Vrms

Dynamic reserve greater than 130dB

2 independent synchronized input channels

8-channel demodulator synchronized measurement

2-channel oscilloscope with FFT analysis function

2-channel PID controller

Host Software

The SE2012 also provides users with professional host software. Each demodulator, input channel, and output channel of the lock-in amplifier can be configured via schematic block diagrams or control panels, offering a blend of professional utility and intuitive simplicity. The software features clear numerical readouts and real-time waveform displays, measurement results can be exported and saved as CSV files for subsequent analysis using specialized software, making the testing process effortless. Furthermore, we offer comprehensive support for Application Programming Interfaces (APIs) across multiple programming languages, including Python, MATLAB, and LabVIEW.
Oscilloscope Functions

The oscilloscope function features two signal channels, supporting selectable inputs—including signal input, reference input, signal output, and auxiliary I/O—and offers a variety of triggering modes to provide users with real-time visualization of time-domain signals. Each channel boasts a maximum sampling depth of 65,536 points, with an adjustable sampling duration ranging from 65 μs to 1 s.
PID Controller

The SE2012 features a built-in, independent dual-channel digital PID controller with a sampling rate of up to 4 MSPS. Closely integrated with the lock-in amplifier, the PID controller utilizes the demodulator’s measured values to control output signal parameters—such as amplitude, phase, and frequency—thereby enabling the precise regulation of various controlled variables.
Parameter Scanner

The parameter scanner provides users with convenient, rapid scanning capabilities, enabling the real-time plotting of curves such as frequency and amplitude responses, and offers both single-sweep and continuous-loop scanning modes.
FFT Spectrum Analyzer

The FFT spectrum analyzer analyzes the frequency-domain information of a signal based on waveforms captured by an oscilloscope. Depending on the sampling rate and sampling depth, the frequency resolution of the spectrum analyzer ranges from approximately 1 Hz to 31 kHz.
Trusted by Universities and Research Institutes Around the World!

Typical Customers:

• The Hong Kong Polytechnic University

• Universität Regensburg

• Rice University

• Weizmann Institute of Science

• University of Wisconsin-Madison

• Massachusetts Institute of Technology

• University of Texas at Austin

• Northeastern University

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1. Signal Channel	Number of channels: 2
Voltage Input Mode	Single-ended or Differential
Current Input Mode	Single-ended signal (transimpedance input)
Full-scale Sensitivity	1 nV to 5 V
Impedance	• Voltage: 10 MΩ // 25 pF • Current: 100 Ω or 1 kΩ
Dynamic Reserve	> 130 dB
Gain Accuracy	0.5% typ, 1% max
Voltage Noise	3.3 nV/√Hz（Typ）(f=997Hz)
Current Noise	20 fA/√Hz （f = 97Hz）
2. Reference Channel
Input	• Channel:2 • Frequency range: 10 μHz – 250 kHz/1.5MHz • Supported input waveforms: Square or sine wave • Input impedance: 1 MΩ
Phase	• Resolution: 1 µdeg • Absolute phase error: Typical ±0.5deg, Maximum ±2deg • Orthogonality: < 200 ppm/℃ • Harmonic detection: 1-10000F (nF < 250 kHz)
Acquisition Time	• Internal ref.: Real-time collection • External ref.: 10 or 100 signal cycles
3. Oscillator
	• Number of digital oscillators: 2 • Digital output: no zero drift on all setting • Display: no zero drift on all setting • Analog output: <5 ppm/℃ for all dynamic reserve settings
Harmonic Rejection	-90 dB
Time Constant	• 10 µs to 3 ks (<200 Hz) • 10 µs to 30 s (>200 Hz) (6, 12, 18, 24 dB/oct rolloff)
Synchronous Filters	Available below 200 Hz (18, 24 dB/oct rolloff)

4. Internal Oscillator
Frequency	• Range: DC -250 kHz（OE2012） DC – 1.5 MHz（OE2022） • Accuracy: 2 ppm + 1 µHz • Resolution: 1 nHz
Distortion	-80 dBFS (f<100 kHz)，-60 dBFS (f>1 MHz)
Amplitude	0.1 μVrms to 5 Vrms
Accuracy	1%
Stability	<200 ppm/℃
Output	3.3V TTL/CMOS levels, 50Ω output impedance

5. Interface	RS-232 to USB interface, and IEEE-488 interface (optional).

6. Outputs
CH1 and CH2 Outputs	• Function: output X, Y, R, θ • Output voltage: ±10 V full scale, 30 mA max output current • Update rate: 312.5 kHz

7. Display
Screen	5.6 inch, 640×480 TFT
Screen Format	Single or dual display
Display Quantities	Each display shows one trace, traces can be defined as X,Y,R,θ
Display Types	Numerical form, bar graph, polar plot and strip chart

8. General
Power Requirement	• Voltage: 220 – 240 VAC, 100 – 120 VAC (optional) • Frequency: 50/60 Hz • Power: 50 W (typ.)
Dimension	448 (W) × 148 (H) × 532 (D) mm (with feet)
Weight	12 kg

Main Machine

Module No.	Item	Description
SE2012	Digital Lock-in Amplifier	2 channels; 10μHz to 250kHz, 1nV to 5Vrms full-scale sensitivity

Document

SE2012 DSP Lock-in Amplifier Datasheet