SR555+

sr555SR555 ... $1095 (U.S. list) k with SRS lock-in amplifiers. Current amplifiers provide gain close to the experimental detector, allowing the user to minimize input cable length and its cWe have 1 SRS Labs SR555 manual available for free PDF download: Operation Manual . SRS Labs SR555 Operation Manual (10 pages) Current Preamplifier. Brand: SRS Labs | Category: