{"product_id":"srs-stanford-research-systems-sr550-fet-voltage-preamplifier","title":"SRS Stanford Research Systems SR550 FET Voltage Preamplifier","description":"\u003ch1\u003eSRS Stanford Research Systems SR550 FET Voltage Preamplifier\u003c\/h1\u003e\u003cp\u003e \u003cb data-path-to-node=\"3\" data-index-in-node=\"2\"\u003eModel Number:\u003c\/b\u003e SR550  \u003cb data-path-to-node=\"3\" data-index-in-node=\"24\"\u003eInput Type:\u003c\/b\u003e FET input with 100 M + 25 pF input impedance  \u003cb data-path-to-node=\"3\" data-index-in-node=\"84\"\u003eInput Modes:\u003c\/b\u003e Switch-selectable Single-ended (A) or Differential (A-B) operation  \u003cb data-path-to-node=\"3\" data-index-in-node=\"166\"\u003eFrequency Response:\u003c\/b\u003e 1 Hz to 100 kHz (Gain accuracy maintained within 2%)  \u003cb data-path-to-node=\"3\" data-index-in-node=\"241\"\u003eNoise Floor:\u003c\/b\u003e 3.6 nV\/Hz typical at 1 kHz; 13 nV\/Hz at 10 Hz  \u003cb data-path-to-node=\"3\" data-index-in-node=\"304\"\u003eGain Settings:\u003c\/b\u003e 1, 2, 5, or 10 (Automatically set by SRS Lock-In amplifiers)  \u003cb data-path-to-node=\"3\" data-index-in-node=\"382\"\u003eCommon Mode Rejection:\u003c\/b\u003e 90 dB at 100 Hz  \u003cb data-path-to-node=\"3\" data-index-in-node=\"423\"\u003eInterface:\u003c\/b\u003e 9-pin D-sub connector for power (20 VDC, +5 VDC) and control via SRS Lock-In  \u003cb data-path-to-node=\"3\" data-index-in-node=\"514\"\u003eMaximum Input:\u003c\/b\u003e 250 mV RMS for overload; protected to 100 VDC\u003c\/p\u003e \u003cul\u003e\u003c\/ul\u003e\u003cdiv class=\"selroattributelist\"\u003e\u003c\/div\u003e\u003cdiv class=\"selroattributelist\"\u003eUsed condition, with normal signs of wear. Comes as shown, please check pics.\u003c\/div\u003e","brand":"Stanford Research Systems","offers":[{"title":"Default Title","offer_id":45883955118216,"sku":"F-111-JJL-2-DB","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1919\/1299\/files\/5270979_078ee73e-1f2e-4450-8fbc-451540a1cb7f0.jpg?v=1779757030","url":"https:\/\/vbindustrialsupply.com\/products\/srs-stanford-research-systems-sr550-fet-voltage-preamplifier","provider":"VB Industrial Supply","version":"1.0","type":"link"}