Stanford Research
STANFORD RESEARCH SR570
Low Noise Current Preamplifier
1 fA/√Hz at low noise mode Current Noise Floor
1 pA/V to 1 mA/V (12 sensitivity settings per decade) Sensitivity Range
±1 mA Maximum Input Current
DC to 1 MHz Bandwidth
Built-in low-pass filter with selectable cutoff frequencies from 0.03 Hz to 1 MHz Filter Type

| Attribute | Value |
|---|---|
| Current Noise Floor | 1 fA/√Hz at low noise mode |
| Sensitivity Range | 1 pA/V to 1 mA/V (12 sensitivity settings per decade) |
| Maximum Input Current | ±1 mA |
| Bandwidth | DC to 1 MHz |
| Filter Type | Built-in low-pass filter with selectable cutoff frequencies from 0.03 Hz to 1 MHz |
| Filter Roll-Off | 6 dB/octave or 12 dB/octave selectable |
| Input Bias Current Offset | Adjustable offset current from ±1 pA to ±1 mA to null background currents |
| Output Voltage Range | ±5 V into 1 kΩ load |
| Power Requirements | 100/120/220/240 VAC, 50/60 Hz, 20W |
| Operating Modes | Low Noise, Low Drift, and High Bandwidth selectable operating modes |
| Model | RESEARCH |
|---|
The SR570 is a low-noise current preamplifier capable of current gains as large as 1 pA/V. Unit has high gain and bandwidth with low noise.
All our used & refurbished equipment is subject to electrical and cosmetic refurbishment in our In House Calibration Laboratory. We offer full warranty on all our equipment, supported by our Calibration & Repair Laboratory. Free shipping in the UK is standard. Please call or email us for a quick price quote




