Stanford Research SR844 25 kHz to 200 MHz RF Lock In Amplifier - CALIBRATED!

$7,750.00

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SKU:: 253850111547
Condition:: Refurbished
Brand:: Stanford Research
MPN:: SR844
Model:: SR844

Stanford Research SR844 25 kHz to 200 MHz RF Lock In Amplifier - CALIBRATED!

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Product Description

Seller refurbished

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We buy, sell and rent general purpose, optical and RF test and measurement equipment. We pay top dollar for your unwanted, surplus or defective gear. Let us make you an offer on your new or used Agilent, Tektronix, Anritsu, Fluke, Rohde & Schwarz and IFR instruments.

Stanford Research SR844 25 kHz to 200 MHz RF Lock In Amplifier - CALIBRATED!

Item Description

Stanford Research SR844 25 kHz to 200 MHz Dual Phase RF Lock In Amplifier - CALIBRATED!

You are bidding on a Stanford Research SR844 25 kHz to 200 MHz Dual Phase RF Lock In Amplifier with fresh calibration performed by an ISO 17025 accredited lab! The SR844 is the widest bandwidth lock-in amplifier available. It provides uncompromised performance with a frequency range of 25 kHz to 200 MHz and up to 80 dB of drift-free dynamic reserve. The SR844 includes the many features, ease of operation, and programmability that you've come to expect from SRS DSP lock-in amplifiers.

Features:

25 kHz to 200 MHz range

80 dB dynamic reserve

Time constants from 100 µs to 30 ks (6, 12, 18 or 24 dB/oct rolloff)

"No Time Constant" mode (10 µs to 20 µs update rate)

Auto-gain, phase, reserve & offset Internal or external reference

Two 16-bit DACs and ADCs

GPIB and RS-232 interfaces

You can view the specs for this unit here: Data Sheet

This unit is in excellent condition, has been fully tested and is guaranteed functional. It comes w/ a 14 day right of return should it not perform to your expectations. Please review pics and text carefully before bidding to verify accuracy of description. If you don't see it in the pictures, it is not included.

Insurance is included in UPS shipping charges. Item shipped internationally on buyer's UPS, FEDEX or DHL accounts only.

We will accept payment for this item by company check, cashier’s check and wire transfer only.

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If you have zero feedback, contact us prior to purchase so we know you are a serious bidder. Otherwise, we may cancel your bid before the auction closes. It should be obvious that you should only bid if you are serious and do intend to complete the transaction. Any stated warranty will be voided if the unit is opened or if any calibration or lockout stickers have been tampered with or removed.

Please note that shipping and insurance costs are non-refundable.

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Thank you and good luck bidding.

Need your unit calibrated by an ISO 17025 accredited lab prior to shipment? Not a problem. We work with numerous calibration and repair companies that can provide your required service at competitive prices.