Stanford Research Systems Inc. Part/Model Nbr: SR552 Bipolar Preamp Was Tagged Working - Excess Used - Not Tested EBay: # 2401-017 Loc: 6007 - A - 3 **Shipping**All Customers: We can use your FedEx or UPS account to ship via the method and speed you request. Prior to paying, contact us to arrange it.Orders placed after 12:00 Noon CST on Friday may not be shipped until Monday. If you have expedited needs contact us prior to paying and we will assist you as best as we can.International Customers: We can ship anywhere in the world as allowed. We have it set default as Global Shipping Program. If you wish for a different method of shipping you will need to contact us prior to paying for your order. We can use any method you request or once committed to the purchase exchange info to arrange for you to order a pickup. **Attention** USPS has been extremely slow for international orders, if you request this method be prepared for huge delays (weeks to months). **Terms of Sale**Please read description of the item. The pictures provided are of the item unless otherwise stated. If you have questions, we are happy to assist and will answer messages in a timely manner **Keep in mind we are closed on the weekends**. **International Customers**: As per Ebay all duties and taxes are the responsibility of the buyer. **Returns** We do our best in packing your item to prevent damage. If you encounter any issue with your item please contact us and we will work with you. This specifically applies to items marked as: **New**, **New Open Box** and **Used** These items are covered by our 30 Day Warranty. Items marked as: **For Parts or Repair** &/or **As Is** are not covered by the 30 day warranty. **Failure to Pickup/Delivery Failure/Abandoned Property**We are expeditious in getting your property shipped to you. 1) If property is returned due to a failure of delivery we will contact you and ask you about the failure and make arrangements.2) If you are a local pickup (or you are arranging pickup via your courier) and we provide information for the pickup and the pickup is not confirmed or picked up. We will begin charging a storage fee of 15% of the sold value of the item per 30 days. After 6 months the property is considered abandoned per MN State law and you will be contacted one final time. If pickup isnt made within 30 days of final contact the property is abandoned and will be reclaimed. **Contact & Hours of Operation** We are located in Burnsville, MN. If you have questions or need assistance our primary method of contact is here via Ebay messenger services.Our hours of operation are: M-T 0800-1600 (800am to 400pm)Friday 0800-1500 (0800am to 300pm)

Stanford Research SR570 Low Noise Current Preamplifier Description SR570 Specifications Input Inputs Virtual null or user-set bias (±5 V) Input offset ±1 pA to ±1 mA adjustable DC offset current Maximum input ±5 mA Sensitivity 1 pA/V to 1 mA/V in 1-2-5 sequence (vernier adj. in 0.5 % steps) Frequency response ±0.5 dB to 1 MHz. Adjustable front-panel frequency response compensation for source capacitance. Grounding Amplifier ground is fully floating. Amplifier and chassis ground are available at rear panel. Input ground can float up to ±40 V. Filters Signal filters 2 configurable (low-pass or high-pass) 6 dB/oct rolloff filters. -3 dB points are settable in a 1-3-10 sequence from 0.03 Hz to 1 MHz. Gain allocation Low noise Gain is allocated to the front end for best noise performance. High bandwidth Front-end gain is reduced for optimum frequency response. Low drift Low bias current amplifier is used for reduced drift at high sensitivity. Filter reset Long time constant filters may be reset with front-panel button. Output Gain accuracy ±0.5 % of output + 10 mV (25 °C) DC drift See table below Maximum output ±5 V into a high impedance load General External blanking TTL input sets gain to zero External toggle TTL input inverts gain polarity Rear panel biasing ±12 VDC @ 200 mA, referenced to amplifier ground Computer interface RS-232, 9600 baud, receive only Power 100/120/220/240 VAC, 6 watts charged, 30 watts while charging. Internal batteries provide 15 hours of operation between charges. Batteries are charged while connected to the line. Dimensions 8.3 × 3.5 × 13.0 (WHL) Weight 15 lbs. (batteries installed) Accessory Power cord Payment Accept PayPal / Credit Card / etc. Please pay within 5 days after the auction closed. Shipping Shipping is EMS / TNT / Fedex / DHL / UPS etc If you have any carrier account , We can use it. About other area, please ask me. When you purchase two or more my items, I can send them together and discount shipping cost. Returns One month 5days return right International Buyers - Please Note: * Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyers responsibility. * Please check with your countrys customs office to determine what these additional costs will be prior to bidding/buying. * These charges are normally collected by the delivering freight (shipping) company or when you pick the item up - do not confuse them for additional shipping charges. * We do not mark merchandise values below value or mark items as gifts - US and International government regulations prohibit such behavior. About the Seller Hitech&Facility Co,Ltd since 1997. We specialize in Used Test Equipment in Japan. Hitech&Facility have been conducting transactions for thirty or more countries.

          Description Shipping Payment Sales Terms Guarantee     Stanford Research Systems R570 Low-Noise Current Preamplifier     Contact Us     We answer all e-mails,Monday to Friday7:30am - 4pm EST Please contact us using Ask a question link at the bottom of this page                   Description of the Product   You are bidding on the following: Condition: Used Testing: Tested Key Functions Manufacturer: Stanford Research Systems Model Number: SR570 Description: Low-Noise Current Preamplifier Notes: Grade: B | COO: USA | Probes: Not Included | Power Cord: Included This listing only includes what is shown in the photographs. If it is not shown, please assume it is not included. This item has been tested for key functions. Please ensure this item is compatible with your intended application before placing a bid. This purchase can be made with complete confidence because we offer a 30 day, money back guarantee.       Item Location   Lecanto, FL       Shipping   Our shipping carriers are UPS and USPS. Any orders of $250.00 or more will be shipped with Signature Required. Please make sure you are available to sign for these orders. We ship Monday-Friday. Please allow up to 3 business days after payment is received for shipment. We ship to the Continental US on all of our auctions. For items shipping freight, you will be responsible for arranging the freight shipment. Please contact customer support for accurate weight and dimensions. Some items are shipped to Canada and/or Overseas. We ship up to 75 pounds overseas via USPS. You are responsible for all customs fees and duties. Please read the auction description. Buyer is responsible for import fees/tax/duties. We will not mark your purchase as a gift. Please contact your local customs office for costs. Our UPS rates are strictly from the UPS calculator; we do not generate shipping costs. For local pickup orders, a $1 per item handling fee will be applied to the invoice (up to $5 max). Unless otherwise stated in listing, we do not offer free shipping.       Payment   We only accept PayPal for payment.       Sales Terms   This auction only includes what is shown in the photographs. If it is not shown, please assume it is not included, unless otherwise stated in the description.   All manufacturers warranties are void unless otherwise stated.   Please bid accordingly. If you have any questions, please contact us via eBay member-to-member.   Please allow us 3 business days to process a refund should you return an item. We do not refund any customs fees that you may have paid.   If you have any further questions on these products please do not hesitate to submit an inquiry on eBay and we will respond within 1-2 business days. We are closed on weekends. Happy bidding!       Guarantee   See Description for details.       Description | Shipping | Payment | Sales Terms | Guarantee            

Stanford Research Systems SR510 Lock-In Amplifier This auction is for a USED Stanford Research Systems SR510 Lock-In Amplifier. This unit arrived to us exactly as shown in the pictures provided. The unit has been removed from a working environment but we have no way of fully testing it. We have only tested it to power on and can only guarantee this unit to power on because no further testing has been preformed. Since this unit is not fully tested we are selling it with a no return policy. Overall it is in fair used physical condition with some scratch and scuff markings on it. The various pictures provided will give a better understanding of the overall physical condition. We do not know if this unit is complete or missing parts. The power cord / supply will NOT be included in this auction. No other accessories will be included in this auction. It will be sold exactly as shown in the pictures provided. Bid accordingly... This Auction is one of many items we have coming out of our asset recovery department everyday. If you happen to have an issue with an item... Such as missing parts or pieces that are mentioned as being present or shown in the pictures as being present and that are not included in your order please contact us direct. Please do not assume something to be included in this auction, Such as something that is not shown in the pictures or something that is not mentioned to be included. THERE WILL BE A 25 PERCENT RESTOCKING FEE ON ANY RETURNED ITEMS!!! NO MATTER WHAT!!! About Us / Policies: We do our best to give an honest and fair presentation of all items that are listed. We are an asset recovery and re-marketing company and most of this equipment has just come from corporate leases. As a result, most items that are being sold are not things we have owned for any considerable amount of time or used thoroughly. We have no technical experience in this field of equipment. We are only capable of plugging an item in to see whether it powers or not. Thus, we may not always know the exact condition of a piece of equipment or be able to attest to its complete operational status beyond this point. Please bid accordingly. No cables, powering cables, or manuals will be shipping with this equipment unless otherwise stated above. Shipping / Packaging / Handling / Insurance Charges: A $32.00 Flat fee will cover the shipping / handling / packaging fee of this Stanford Research Systems SR510 Lock-In Amplifier to any location within the mainland of the USA with Fed Ex. We charge a $32.00 Flat Fee to ship this item in the USA because we only use the safest type of ground shipping, Fed Ex. We use 100% NEW Boxes & packaging materials to protect this item during shipping. Damage Insurance is also built into this $32.00 Flat Shipping Fee. Bidders in AK, HI, & other US Properties outside of the US Mainland will need to wait for a Fed Ex Quote & Grand Total before making a payment. Payment Options: Paypal & Credit Cards - Only. All shipping is completed with FED EX ONLY – We only ship to US!!! WE DO NOT SHIP TO PO BOXES!! PLEASE HAVE AN ADDRESS FOR US TO SHIP TO… Please remember that this item does have a 4-day handling period.Thanks again & Good Luck.

Stanford B4272 Stereo Quadro Power Amplifier defekt need Service geht nicht an. Ich bitte sie die genaue Beschreibung zu lesen und falls Sie damit nicht einverstanden sind den Kauf nicht zu tätigen. Gerät geht nicht mehr an. Andere Ursachen werden nicht ausgeschlossen.Kein weiteres Zubehör vorhanden Optischer Zustand: es sind Gebrauch spuren zu sehen. Am besten entnehmen Sie diese Fotos. Technischer Zustand: das Gerät zeigt keine starke Wirkung von sich. Wenn man es anmacht bleiben, die leuchten aus. Allerdings hört man das knacken, wenn man es anmacht. Aber es wird darauf hingewiesen, dass es sich um ein defektes Gerät handelt und somit keine andere Ursachen ausgeschlossen werden können. Bitte Versand in nicht EU Länder Anfragen