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87.36
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161.4
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103.52
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103.52
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67.81
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109.88
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24.99
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103.52
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$
40
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195
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104
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Location: Monroe Township,NJ,USA
$
85.87
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Location: Miami,FL,USA
$
79
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24.99
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103.52
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$
135
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322.12
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103.52
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Location: Ledgewood,NJ,USA
$
6.96
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$
103.66
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Location: Miami,FL,USA
$
104
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Location: Chino,CA,USA
$
104
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Location: Chino,CA,USA
$
7.47
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Location: China
$
113.05
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Location: Miami,FL,USA
$
108.1
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Location: Miami,FL,USA
$
69.99
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Condition: For parts or not working
Location: Rocklin,CA,USA
New Topward 30V/3A Power Supply Unit With CONSTANT VOLTAGE OUTPUT(CV) CONSTANT CURRENT OUTPUT(CC) High Accuracy and Stability! Lab Grade! Good Price/ ... morePerformance Ratio! Model Series: 3000 Model Number: 3303D Main Features: Constant Voltage( CV) and Constant Current( CC) output; Short circuit and external input protection; Allows serial or parallel connection with the same power supply model; Major Specifications: Output Voltage: 0V to 30V; Output Current: 0A to 3A; Voltage Load Regualation: +/0.01% + 2mV. Ripple& Noise( Current load Regulation( Ripple& Noise( Display Accuracy: Output impedance: Power Source: ACV 100/120/220/240 +/ 10% 50/60Hz. Dimensions: 120(W) X 180(H) X 200(D)mm. Shipping weight: Approx 7kg. Accessories: English user manual/ power cord/ dc cord BRAND NEW! EASY TO USE& OPERATE! Terms and Conditions Payment Instruction: Buyer accepts the item price and shipping cost when proceeds to" buy-it-now" or placing the bid- We accept PAYPAL. Or bank wire if needed. Payment should be completed within 3 working days after order is made Shipment: Item will be tested fine before ship. Item is normal shipped within 3 to 4 workings days after the payment unless it is otherwise specified- If available. Shipping information will be put on the e-bay when item is shipped Item damage and replacement: If the item damaged upon arrival. Please inform us immediately by e-mail within 5 working days. We will investigate the problem and decide on replacement is needed or else solution- Buyer is responsible for the shipping and handling cost of item/items return and sending replacement item/ items- In case of problem happens on item. Please contact us first before sending negative feedback. We will try our best to handle the matter Don't hesitate to Ask if any inquiry. Thank you for the bidding! Powered by The free listing tool. List your items fast and easy and manage your active items. RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Feog4d7
$
87.36
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Location: Miami,FL,USA
$
71.99
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Location: Chino,CA,USA
$
11.39
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Location: China
$
78.51
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Location: Miami,FL,USA
$
114.32
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Location: Miami,FL,USA
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103.52
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Location: Miami,FL,USA
$
11.95
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109.88
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Location: Ledgewood,NJ,USA
$
69.99
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Condition: Used
Location: San Francisco,CA,USA
Topward 3303D 0-30V/0-3A Digital Power Supply Output Voltage continuously variable from 0 to 30 V. Output Current continuously variable from 0 to 3 A. ... moreFront panel coarse and fine voltage knobs. Front panel current knob. Line and Load Regulation ±0.01%+2mV. Ripple& Noise 0.5mVrms at 100W. 1mVrms above 100W. Fast transient Response Display Accuracy 0.1%+2 digits. Overload Protection Automatic crossover from CV to CC mode. Performance Characteristics of the 3303D Form Factor. Benchtop No. of Outputs. 1 o/p Output 1 Max. power. 90 Watts Output 1/Range 1 Max. Current. 3 A(0 V to 30 V) Voltage Readback Accy Output1/Range1. 0.1% Current Readback Accy Output1/Range1. 0.1% Voltage Ripple and Noise. 0.5 mV Current Ripple and Noise. 1 mA Load Regulation. Voltage. 2 mV Load Regulation. Current. 10 mA Line Regulation. Voltage. 2 mV Line Regulation. Current. 2 mA Transient Response Time. 100 us Remote Sensing Measurement. No Multiple Unit Combinations. Parallel.Series Overvoltage Protection. Yes Overcurrent Protection. Yes Over-temperature Protection. No Local Lockout. No Self test. No Fully operational Email me for a manual to review. RETURNS& WARRANTY: This item comes with a fourteen(14) calendar day. Full return privilege after delivery. An instrument can be returned for any reason within the 14-Day Right-of-Return period for a refund, excluding shipping costs. A purchased item may only be returned with an RMA(Return Material Authorization) number. To obtain an RMA number, simply contact us either by phone, by FAX or by e-mail with details of the return. One of your best warranties is knowing whom you're doing business with. Please click on the"ME" icon for more information. TECHNICAL SUPPORT: For any questions feel free to email and we will do our best to respond however. No technical support will be provided by the seller. All statements regarding products and their configuration are made to the best of our ability, and with the assumption that the buyer is knowledgeable and proficient in the us
$
14.99
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Location: China
$
55
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Condition: New
Location: China
$
9.95
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Condition: New
Location: China
$
103.96
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Condition: New
Location: Miami,FL,USA
$
2.79
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Condition: New
Location: China
$
270
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Condition: Used
Location: Maitland,FL,USA
New Topward Digital Dual Tracing DC Power Supply TPS-4000D Series Model 4302D. S/N: 974624, 110V/200V Input. However, due to the fact that we did not ... morerecently test and calibrate the system, it is sold as is. L635) Directive for Customer Service Questions: During business days. We will make every effort to respond to your emails as soon as possible. If you have any questions about this item or other items in our list, please contact us prior to bidding. Over the weekend or holidays, the questions will be answered in the first opportunity afterward. Sold As-Is. Where-Is: Most of the items listed were used in one form or another in our laboratory for different research and development projects. And are now sold due to the termination of these projects. At this stage we are not able to completely test and calibrate the items, therefore, all items are sold as-is. Where-is, without warranty or guarantee. Unless specified in the listing. All sales are final. Please ask all pertinent questions regarding the condition of the item before you make your purchase. As your selection may prohibit other customers from bidding. The operation of the items is the customer’s sole responsibility, and he/she must have the professional skills to safely operate them. We reserve the right to refuse a return based on customer not fully understanding the item description and the proper way of operation or changing his/her mind. DOA or Incorrect Product: All items described to be in operational condition but received Dead on Arrival(DOA) can be returned for replacement or refund(when no replacement is available) Only if we are notified within 7 days of receipt of product. Compensation will be provided upon actual return receipt, physical examination, testing, and serial verification of the item and all sent accessories. If any one of these criteria is not met, we reserve the right to withhold funds for an indefinite term until all requirements are met. If you feel that you have received an incorrect item, please retain the item and
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77.26
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Condition: New
Location: Miami,FL,USA
$
1.97
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Condition: New
Location: China
$
240
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Condition: Used
Location: Mountain View,CA,USA
$
45
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Condition: New
Location: China
$
144.27
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Condition: New
Location: United Kingdom
$
58.99
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Condition: New
Location: China
$
139.99
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Condition: New
Location: China
$
33.59
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Condition: New
Location: China
$
104
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Condition: New
Location: Monroe Township,NJ,USA
$
199
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Condition: New
Location: China
$
58.99
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Condition: New
Location: USA
$
249.11
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Condition: New
Location: China
$
8.9
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Condition: New
Location: China
$
160
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Condition: New
Location: China
$
1,550
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Condition: New
Location: Elgin,IL,USA
$
495
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Condition: Used
Location: Culver City,CA,USA
Topward 6303D Triple Output DC Power Supply- 0-30V/0-3A. 0-5V/0-5A(x2) You are bidding on a Topward 6303D Triple Output DC Power Supply- 0-30V/0-3A. 0-5V/0-5A(x2) ... morewith power ranges of 0-30V, 0-3A or 0-5V, 0-5A(x2) The 6303D Digital Power Supply delivers reliable performance at a very reasonable price. Included are such features as constant voltage and constant current modes, short circuit protection, front-panel outputs, operating mode indicators and a 3-1/2 digit LCD display with unit indicators for easy setup and monitoring of outputs. Also provided are 5 V/3 A outputs along with the normal adjustable outputs. Ripple and noise are less than 0.5 mV rms or 4 mV p-p in the constant voltage mode and 0.5 mA rms or 4 mA p-p in the constant current mode. Line regulation is also good: 0.02% + 2 mV(CV) 0.02% + 250 µA(CC) Load regulation: 0.02% + 2 mV(CV) 0.02% + 500 µA(CC) Output impedance: 5 m Ohm + 2 µH. Programming speed: UP NL 400 mS FL600 mS; 0.5% to 9.5% Down NL 2.5 d FL200 mS. Operates from 115/230 V(±10% 50/60 Hz input power, Multiple Output DC, Rated: 2 ea. 0 to 30V@ 0 to 3 A, 5 V@ 5 A, Outputs: Triple. You can view the specs for this unit here: This unit is in working condition. Has been fully tested and comes with a 5 day ROR should it not perform to your expectations. Please review description carefully before bidding. If you don't see it in the pictures, it is not included. Insurance is included in UPS shipping charges. I cannot ship internationally. I will accept payment for this item by Paypal only. Feel free to send any questions regarding this item to: in fact I encourage you to do so) If you have zero feedback. Please before you bid to let me know that you are serious. Otherwise I 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 t
$
108.66
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Condition: New
Location: China
$
104
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Condition: New
Location: Chino,CA,USA
$
101.75
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Condition: New
Location: Miami,FL,USA
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