SALUKI SE2041 Lock-In Amplifier (1 mHz to 30 MHz, 1 nV to 1V)

1. Signal Channel

Voltage Input Mode: Single-ended or Differential

Full-scale Sensitivity: 1 nV to 1V in a 1-2-5 sequence

Current Input: 106  or 108 V/A

Impedance: Voltage: 50 Ω// 5 pF, 10 MΩ// 5 pF, AC or DC coupled

C.M.R.R: >70 dB ~ 100 Hz, >50 dB ~ 100 kHz

Dynamic Reserve: > 120 dB

Gain Accuracy: 0.5% typ, 3% max

Noise:

     6 nV/√Hz at 99.99 KHz

     14 nV/√Hz at 997 KHz 

2. Reference Channel

Input:

     Frequency range:  1 mHz to 30 MHz

     Reference input: TTL or Sine

     Input impedance: 1 MΩ//5 pF

     TTL level: VINH>3 V , VINL<0.5 V

     Sine reference level: 0.2 V < VPP< 10 V, Freq. > 1 Hz

Phase:  

     Resolution: 0.001 deg

     Absolute phase error: < 1 deg typ,  5 deg max

     Relative phase error: < 1 mdeg

     Orthogonality: 90° ± 0.001°

     Phase noise: (Internal ref.) Synthesized, <0.0001°rms at 1 kHz;  (External ref.) 0.005°rms at 1 kHz (100 ms time constant, 12 dB/oct)

     Drift: <0.01°/℃ below 100 kHz, <0.1°/℃ above 100 kHz

Harmonic Detection: 2F, 3F, …nF to 30 MHz  (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: <50 ppm/℃ for all dynamic reserve settings

Harmonic Rejection: -90 dB

Time Constant: 30 ns ~ 4.4 ks (6, 12, 18, 24, 30, 36, 42, 48  dB/oct rolloff)

4. Internal Oscillator

Frequency

     Range: 1 mHz to 30 MHz

     Accuracy: 2 ppm + 10 µHz

     Resolution: 1 mHz

Distortion: 

     -80 dBc (f < 100 kHz)

     -60 dBc (f > 1 MHz)

Amplitude: 1µV ~ 1 Vrms

Accuracy: 0.5% typ, 2% max

Stability: 50 ppm/℃

Output: 5V TTL/CMOS, 50Ω output impedance

5. Interface: USB2.0, RS-232(DB-9) and 1000Mbps Enthernet

6. Inputs & Outputs: 

AUX Inputs

      Function: 4 channel inputs

      Voltage: ±10 V full scale, 0.1 mV resolution

      Impedance: 1 MΩ

AUX/CH Outputs

      Function: 4 channel inputs

      Voltage: ±10 V full scale, 0.1 mV resolution

      Impedance: 1 MΩ

7. Display

Screen: 5.6 inch, 640×480 TFT

Screen Format: Single or dual display

Display Types: Numerical form, bar graph

8. General

Power Requirement:

      Voltage: 220 – 240 VAC, 100 – 120 VAC (optional)

      Frequency: 50/60 Hz

      Power: 50 W typ, 70W max

Dimension:  

      448 (W) × 148 (H) × 513 (D) mm (with feet)

      448 (W) × 133 (H) × 513 (D) mm (without feet)

Weight: 12 kg