{"title":"Stanford Research","description":"","products":[{"product_id":"stanford-research-ps310","title":"Stanford Research PS310 High Voltage Power Supply, ±12 V to ±1.25 kV, 20 mA","description":"\u003cp\u003e\u003cstrong\u003eStanford Research PS310 High Voltage Power Supply, ±12 V to ±1.25 kV, 20 mA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe PS310 is a \u003cnobr\u003erugged\u003c\/nobr\u003e, compact, reliable instrument for just about any high-voltage application.\u003c\/p\u003e\n\u003cp\u003eWith up to ±1.25 kV output capability, an optional GPIB computer interface, and 0.001 % voltage regulation, this high-voltage power supply has become an industry standard.\u003c\/p\u003e\n\u003cp\u003eOptional 01 adds GPIB Interface\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOutput Voltage: ±12 V to ±1.25 kV\u003c\/li\u003e\n\u003cli\u003eMaximum Current: 20 mA\u003c\/li\u003e\n\u003cli\u003e1 V resolution\u003c\/li\u003e\n\u003cli\u003e0.05 % accuracy\u003c\/li\u003e\n\u003cli\u003eProgrammable limits and trips\u003c\/li\u003e\n\u003cli\u003e0.0015 % ripple\u003c\/li\u003e\n\u003cli\u003e0.001 % regulation\u003c\/li\u003e\n\u003cli\u003eGPIB interface Optional\u003c\/li\u003e\n\u003cli\u003e100-240 Vac; 50 to 60 Hz operation\u003c\/li\u003e\n\u003cli\u003eWeight: 8 lbs; Size: 3.5 in H x 8.1 in W x 14.0 in D\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease see the Datasheet for complete details and specifications.\u003c\/p\u003e","brand":"Stanford Research","offers":[{"title":"Default Title","offer_id":52537516786007,"sku":"SRSPS310","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/9389\/0135\/files\/SRSPS310.jpg?v=1768377258"},{"product_id":"stanford-research-sr860","title":"Stanford Research SR860 DSP Lock-In Amplifier, 1 mHz to 500 kHz","description":"\u003cp\u003e\u003cstrong\u003eStanford Research SR860 DSP Lock-In Amplifier, 1 mHz to 500 kHz\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SR860 DSP Lock-In Amplifier provides unparalleled analog performance, sophisticated new digital signal processing features, a thoroughly modern, intuitive user interface, and a wide range of computer connectivity options, the SR860 is the ideal choice for any synchronous detection application.\u003c\/p\u003e\n\u003cp\u003eFrom a hefty toroidal transformer that eliminates switch-mode noise to iOS connectivity that brings the lock-in to your cell phone to advanced DSP filters that eliminate more noise while speeding up your experiment, the SR860 is truly the ultimate lock-in amplifier.\u003c\/p\u003e\n\u003cp\u003eLock-in performance starts at the front end. The SR860 front end offers both state-of-the art voltage and current input amplifiers. The voltage input is a switchable single-ended\/differential JFET-pair amplifier with 2.5 nV\/√Hz of noise at 1 kHz and under 10 nV\/√Hz of noise at 10 Hz. The voltage input has a 10 MΩ input impedance and can be AC or DC coupled. Input connector shields can be connected to the instrument ground through a user selectable 10 Ω (Ground) or 10 kΩ (Float) resistor. The SR860's built-in current amplifier represents a significant improvement over previous designs. The current input range is selectable from 1 µA or 10 nA. 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The SR830 simultaneously displays the magnitude and phase of a signal. The instrument utilizes digital signal processing (DSP) to replace the demodulators, output filters, and amplifiers found in conventional lock-ins. 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The instrument offers several improvements over older designs- lower jitter, higher accuracy, faster trigger rates, and more outputs. The DG645 also has Ethernet, GPIB, and RS-232 interfaces for computer or network control of the instrument.\u003c\/p\u003e\n\u003cp\u003eOption 1 adds Eight Delay Channels (5 V)\u003cbr\u003eOption 5 adds Rubidium Timebase\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChannels: 4 independent pulses controlled in position and width; \u003cspan style=\"text-decoration: underline;\"\u003eOptional\u003c\/span\u003e 8 delay channels \u003c\/li\u003e\n\u003cli\u003eDelay range: 0 to 2,000 s\u003c\/li\u003e\n\u003cli\u003eDelay resolution: 5 ps\u003c\/li\u003e\n\u003cli\u003eRate generator: 100 µHz to 10 MHz\u003c\/li\u003e\n\u003cli\u003eRate generator resolution: 1 µHz\u003c\/li\u003e\n\u003cli\u003eTrigger rates to 10 MHz \u003c\/li\u003e\n\u003cli\u003e\u0026lt;25 ps rms jitter\u003c\/li\u003e\n\u003cli\u003eEasy synchronization with 80 MHz mode-locked lasers\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eGPIB (IEEE-488.2), RS-232, and Ethernet interfaces \u003c\/li\u003e\n\u003cli\u003eDisplay: backlit LCD\u003c\/li\u003e\n\u003cli\u003eOutput connectors: BNC(f)\u003c\/li\u003e\n\u003cli\u003e90 to 264 Vac; 47 Hz to 63 Hz operation\u003c\/li\u003e\n\u003cli\u003eWeight: 9 lb; Size: 88.9 mm (3.5 in)H x 216 mm (8.5 in)W x 330.2 mm (13.0 in)D\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Stanford Research","offers":[{"title":"Default Title","offer_id":52537729614167,"sku":"SRSDG645-05","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/9389\/0135\/files\/SRSDG645-Front.jpg?v=1768380566"},{"product_id":"stanford-research-sr540","title":"Stanford Research SR540 Optical Chopper","description":"\u003cp\u003e\u003cstrong\u003eStanford Research SR540 Optical Chopper\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SR540 Optical Chopper is designed to handle all your optical chopping requirements - from simple measurements to dual-beam and intermodulation experiments. The SR540 has a 4-digit frequency display, front-panel frequency control, analog voltage frequency control and two reference outputs with selectable operating modes. Two anodized aluminum blades are provided: a 5\/6 slot blade for frequencies up to 400 Hz, and a 25\/30 slot blade for frequencies up to 3.7 kHz. Reference outputs are provided for frequencies corresponding to each row of slots, as well as the sum and difference frequencies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eChop frequency: 4 Hz to 400 Hz (5\/6 slot blade), 400 Hz to 3.7 kHz (25\/30 slot blade)\u003c\/li\u003e\n\u003cli\u003eFrequency stability: 250 ppm\/°C (typ.)\u003c\/li\u003e\n\u003cli\u003eFrequency drift: \u0026lt;2 %, 100 Hz \u0026lt; f \u0026lt; 3700 Hz\u003c\/li\u003e\n\u003cli\u003ePhase jitter (rms): 0.2° (50 Hz to 400 Hz), 0.5° (400 Hz to 3.7 kHz)\u003c\/li\u003e\n\u003cli\u003eFrequency display: 4-digit, 1 Hz resolution and accuracy\u003c\/li\u003e\n\u003cli\u003eFrequency control 10-turn pot with 3 ranges:  4 Hz to 40 Hz, 40 Hz to 400 Hz, 400 Hz to 3.7 kHz\u003c\/li\u003e\n\u003cli\u003eSingle and dual beam experiments\u003c\/li\u003e\n\u003cli\u003eSum \u0026amp; difference reference outputs\u003c\/li\u003e\n\u003cli\u003eBolt clamp or rod mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease see Datasheet for complete details and specifications.\u003c\/p\u003e","brand":"Stanford Research","offers":[{"title":"Default Title","offer_id":52537729778007,"sku":"SRSSR540","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/9389\/0135\/files\/SRSSR540.jpg?v=1768380568"},{"product_id":"stanford-research-sr785","title":"Stanford Research SR785 Dynamic Signal Analyzer, Dual Channel, dc to 102.4 kHz","description":"\u003cp\u003e\u003cstrong\u003eStanford Research SR785 Dynamic Signal Analyzer, Dual Channel, dc to 102.4 kHz\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SR785 Two-Channel Dynamic Signal Analyzer is a precision, full-featured signal analyzer that offers state-of-the-art performance at a price that's less than half that of competitive analyzers. 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