Stanford Research
Stanford Research SR830
Lock-In Amplifier
1 mHz to 102.4 kHz Frequency Range
Greater than 100 dB Dynamic Reserve
6 nV/√Hz at 1 kHz Input Voltage Noise
1 nV to 1 V (voltage input); 1 fA to 1 µA (current input) Full Scale Sensitivity
10 MΩ in parallel with 25 pF Signal Input Impedance
| Attribute | Value |
|---|---|
| Frequency Range | 1 mHz to 102.4 kHz |
| Dynamic Reserve | Greater than 100 dB |
| Input Voltage Noise | 6 nV/√Hz at 1 kHz |
| Full Scale Sensitivity | 1 nV to 1 V (voltage input); 1 fA to 1 µA (current input) |
| Signal Input Impedance | 10 MΩ in parallel with 25 pF |
| Harmonic Detection | Detection up to the 19999th harmonic of the reference frequency |
| Internal Oscillator Output | Sine wave, 0.004 Vrms to 5.000 Vrms amplitude, frequency range 1 mHz to 102.4 kHz |
| Time Constants | 10 µs to 30,000 s with 6, 12, 18, and 24 dB/octave filter roll-off |
| Interface / Connectivity | RS-232 and GPIB (IEEE-488.2) interfaces standard |
| Power Requirements | 100/120/220/240 VAC, 50/60 Hz, 55 W maximum |
Stanford Research SR830 Options:
- SR830 - SR550 - Voltage preamplifier (100 MΩ, 3.6 nV/√Hz)
- SR830 - SR552 - Voltage preamplifier (100 kΩ, 1.4 nV/√Hz)
- SR830 - SR554 - Transformer preamplifier (0.091 nV/√Hz)
- SR830 - SR540 - Optical chopper
| Model | SR830 |
|---|
The Stanford Research SR810 Lock-In Amplifier and SR830 Lock-In Amplifier provide at a reasonable cost. The SR830 simultaneously displays the magnitude and phase of a Signal, while the SR810 displays magnitude only.
