



SRS Stanford Research Systems SR550 FET Voltage Preamplifier
- Free shipping
- 60-day returns · Ships worldwide from Ventura, CA
Company buyer? Get a Shopify invoice with your PO #.
Description
SRS Stanford Research Systems SR550 FET Voltage Preamplifier
Condition: Used. Normal signs of wear. Ships as pictured; please review all photos.
- Model Number: SR550
- Input Type: FET input with 100 M + 25 pF input impedance
- Input Modes: Switch-selectable Single-ended (A) or Differential (A-B) operation
- Frequency Response: 1 Hz to 100 kHz (Gain accuracy maintained within 2%)
- Noise Floor: 3.6 nV/Hz typical at 1 kHz; 13 nV/Hz at 10 Hz
- Gain Settings: 1, 2, 5, or 10 (Automatically set by SRS Lock-In amplifiers)
- Common Mode Rejection: 90 dB at 100 Hz
- Interface: 9-pin D-sub connector for power (20 VDC, +5 VDC) and control via SRS Lock-In Maximum
- Input: 250 mV RMS for overload; protected to 100 VDC
Product Details
| Brand | Stanford Research Systems |
|---|---|
| Part number | SR550 |
| Category | Lab Supplies |
| Condition | Used |
| Shipping | Standard1–5 business daysFREE
Priority2–3 business days$19.95 2nd Day Air2 business days$29.95
Next Day Airnext business day$59.95
Ships same day if paid by 2 PM PT, Mon–Fri. Air prices shown are for this item; the final rate is based on total order weight.
International for this item: Canada & Mexico from $29.95 (UPS Standard), rest of world $79.95 (UPS Worldwide Expedited). Duties and import taxes are paid by the buyer. |
| Returns | 60-day returns |
Questions about this part
Can I return it if it's the wrong part?
Yes. Every part has a 60-day return window. See the return policy for how to start a return.
How much is shipping, and when does it ship?
Shipping is free on all items. Orders paid by 2 PM PT, Monday to Friday, ship the same day from our warehouse in Ventura, CA. Next Day Air, 2nd Day Air and Priority are available at checkout.
Do you ship internationally?
Yes. We ship worldwide from Ventura, CA, to more than 100 countries.
How do I get a quote or pay with a PO?
Use Request a quote / Buy with PO, email info@vbindustrialsupply.com or call 805-620-0948, Mon–Fri 8:00 AM–5:30 PM PT.
