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SE1022 DSP Lock-In Amplifier

Overview Specifications Ordering Resources

♦ Accurate Phase & Magnitude Detection under High Noise

SE1022 Digital Lock-in Amplifier provides an excellent performance within its bandwidth from 1 mHz to 102 kHz. With the advantage of the latest digital signal processing technology and high-precision 24-bit ADC, SE1022 can easily detect the phase and the magnitude of weak signals overwhelmed by various large noises.

♦ Research-Grade Lock-In with Multi-Harmonic FFT & High SNR

The performance of SE1022 is as good as other lock-in amplifiers brands, even better in some certain parameters, such as measurement accuracy, SNR, dynamic reserve. Otherwise, SE1022 integrates some special functions like multiple harmonic measurement and FFT, which meets the needs of scientific research and industrial application well.

♦ Pricing：

SE1022 Unit Price: US$6,050.00

* Saluki SE1022 can be comparable to SRS SR830, even better and more stable.

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Need technical support or a custom solution? Contact our application engineers: saluki@salukitec.com.

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Key Features

1 mHz to 102 kHz frequency range

1 nV to 1 V full-scale sensitivity

Time constants from 10 µs to 3 ks

> 120 dB dynamic reserve

Noise as low as 5 nV/√Hz @997 Hz

Multiple-harmonic measurement

FFT spectral analysis

Dual-phase structure guarantees higher accuracy

5.6 inch color TFT-LCD screen, single or dual display

Support remote control, embedded a free LabVIEW program

1. Signal Channel
Voltage Input Mode

Single-ended or Differential
Full-scale Sensitivity

1 nV to 1 V

1 fA to 1 µA
Current Input

106 or 108 V/A
Impedance

•  Voltage: 10 MΩ // 25 pF, AC or DC coupled

•  Current: 1 kΩ to virtual ground
C.M.R.R

> 100 dB to 10 kHz, decreasing by 6 dB/oct
Dynamic Reserve

> 120 dB
Gain Accuracy

0.2% typ, 1% max
Voltage Noise

5 nV/√Hz at 997 Hz
Current Noise

•  15 fA/√Hz at 97 Hz

•  13 fA/√Hz at 997 Hz
Line Filters

50/60 Hz and 100/120 Hz
Gounding

BNC shield can be grounded or floated via 10 kΩ to ground
2. Reference Channel
Input

•  Frequency range:  1 mHz to 102 kHz

•  Reference input: Square or Sine

•  Input impedance: 1 MΩ//25 pF
Phase

•  Resolution: 1 µdeg

•  Absolute phase error: < 1 deg

•  Relative phase error: < 1 mdeg

•  Orthogonality: 90° ± 0.001°

•  Phase noise: (Internal ref.) Synthesized, <0.0001°rms at 1 kHz;  (External ref.) 0.001°rms at 1 kHz (100 ms time constant, 12 dB/oct)

•  Drift: <0.01°/℃ below 10 kHz, <0.1°/℃ above 10 kHz
Harmonic Detection

2F, 3F, …nF to 102 kHz  (n<32767)
Acquisition Time

•  Internal ref.: instantaneous acquisition

•  External ref.: (2 cycles + 5 ms) or 40 ms, whichever is larger
3. Demodulator
Stability

•  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: 1 mHz to 102 kHz

•  Accuracy: 2 ppm + 10 µHz

•  Resolution: 1 mHz
Distortion

•  -80 dBc (f < 10 kHz)

•  -70 dBc (f > 10 kHz)
Amplitude

0.001 to 5 Vrms
Accuracy

1%
Stability

100 ppm/℃
Output

Sine wave signal, output impedance 50 Ω.
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: 30 W
Dimension

448 (W) × 148 (H) × 515 (D) mm  (with feet)
Weight

8 kg

Main Machine

Module No. Item Description
SE1022 Digital Lock-in Amplifier 1 mHz to 102 kHz, 1 nV to 1 V full-scale sensitivity
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