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

$4,950.00
(No reviews yet) Write a Review
SKU:
255133448450
Condition:
Used
Brand:
Stanford Research
MPN:
SR844
Stanford Research SR844 25 kHz to 200 MHz RF Lock In Amplifier - CALIBRATED

Product Description

 
 

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



This unit is in excellent condition, has been fully tested and is guaranteed functional. It comes with a 30 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. 

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. 

Our feedback is very important to us and we strive for 100% positive on every transaction. If you are unsatisfied with any aspect of your transaction, please contact us before leaving negative or neutral feedback so that we can address and remedy the issue immediately. Additionally, we are always happy to leave positive feedback for our trading partners after a successful transaction. 

Make sure that you check out our other auctions for more great deals on test and measurement equipment.

 

Thank you and good luck bidding.




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SR844_Cal_Certificate-page-001

 

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.

About Us

Spaulding Surplus, LLC was established in 2002 and we pride ourselves on sustaining an expansive and diverse inventory of high value test equipment, in stock and ready to ship. We strive to exceed our customers expectations by providing quality general purpose electronic test and measurement equipment at the absolute lowest prices around. Our equipment is sourced from a variety of manufacturers including Agilent/HP, Fluke, Tektronix, Rohde & Schwarz, LeCroy, Anritsu, Advantest, Aeroflex/IFR, ILX Lightwave, JDSU, Wavetek, etc. We are also dedicated to providing fair and competitive bids for your unused test equipment and excess inventory. WHY PAY MORE FOR THE SAME EQUIPMENT?
 

Payment

We accept payment by company check, bank transfer and Paypal (for items valued below $1500 USD). Payment must be received within 5 days of close of auction. Our mailing address is below and our bank info can be forwarded upon request.
Spaulding Surplus
12829 Landale Street
Studio City, CA 91604.
 

Shipping

All instruments are professionally packed and shipped via UPS GROUND with full insurance. We typically ship within the continental US only (please no PO Boxes) unless other arrangements have been made with the buyer. International customers may provide their UPS, DHL or FedEx account for international shipments. Items will be shipped within 7 business days of payment. 
 

Terms

All items sold on Ebay come with a standard 30 day right of return warranty from the date of receipt, unless otherwise specified in the auction details. Payment in full is required prior to shipment. Buyers are required to notify us immediately if an instrument arrives damaged, and must keep all boxes and packing materials in case a UPS damage inspection is necessary. An extended warranty of 30 days is available for all direct purchases from Spaulding Surplus, LLC and established customers purchasing directly may qualify for net 30 payment terms with PO required prior to shipment.


Returns

All Ebay items can be returned for a full refund within 30 days of purchase should they not function as intended, unless they are being sold AS IS with known defects. Spaulding Surplus, LLC shall not be held liable for any damages resulting from buyer/operator negligence, or the improper use of its equipment, nor does it warrant their suitability for any specific application or project. The verification of product capability is the sole responsibility of the buyer. PO's and purchases cancelled due to insufficient instrument capability, buyer's remorse or loss of order are always subject to a 20% restocking fee. A complete evaluation is required for any instrument returned under warranty, and refunds are not issued until said evaluation has been completed by an ISO 17025 accredited calibration lab. 
WE KINDLY REQUEST THAT BUYERS CONTACT US FIRST SHOULD THERE BE ANY PROBLEMS WITH THE ITEM PURCHASED, RATHER THAN FILING A "NOT AS DESCRIBED" CLAIM WITH EBAY OR IMMEDIATELY LEAVING NEGATIVE FEEDBACK. WE HAVE BEEN IN BUSINESS FOR OVER 15 YEARS AND ALWAYS STRIVE FOR PERFECT FEEDBACK AND INTEND TO PROVIDE QUALITY EQUIPMENT AND EXCELLENT CUSTOMER SERVICE TO ALL OF OUR CUSTOMERS. IF YOU EVER HAVE A PROBLEM WITH A TRANSACTION WE WILL MAKE IT RIGHT!
 
 

Spaulding Surplus, LLC prides itself on sustaining an expansive and diverse inventory of high value test equipment, in stock and ready to ship. We strive to exceed our customers expectations by providing quality general purpose electronic test and measurement equipment at the absolute lowest prices around.

 
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