As a bonus, I can read the control legends without having to drag out a magnifier. Right behind that is a with a DM piggyback. The s are fairly easy to repair compared to some. On the I wouldn't be surprised if the problem turned out to be either a power supply issue or a tantalum cap these are the primary failure modes The custom chips on the 4xx series don't go bad very often I'm not saying they don't, but it's not the first, or second, thing I would look at. Tek scopes are very sensitive to power supply issues and if one of the required voltages is out of spec it can cause all manner of weird behavior.
I was actually sort of extrapolating my limited experience, plus what I've read. Probably better to say you are "more likely" to find help for a Tek than a modern made-in-Asia unit. Somebody might have a parts donor. I have a Hitachi 20 Mhz. When I power it up and allow the NiCads to charge, they still work!
To me the A is just a great looking scope to have on the bench. These scopes were my daily driver for 25 years at work.
Maybe a closeout due to the fact that it only runs on Win XP which is pretty archaic at this point? USB dongle scopes like that are wonderful for taking quick captures on logic boards and microcontrollers and getting them into electronic format so you can incorporate them into spreadsheets and documents.
They are also very portable; you can almost always find room for one in the computer bag you have to lug around anyway. But looking at the specs for a similar product, you'd be getting perhaps a MS per second sample rate with maybe a 1-megasample buffer. This would be pretty limited in terms of resolution, even compared to the bench DSOs of 20 years ago. Write sweep speed is not even given but probably not fast enough to display a waveform in real time at full bandwidth and full speed.
So unless you need portability and file capture capability, a USB dongle is likely to prove a big disappointment compared to a Tek They are way more functional and versatile than the USB dongles, and save you the headaches of trying to maintain old test gear for which specialized parts are no longer available.
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Physical: Input Terminations: 2-wire power cord. Binding posts Output Terminations: 2-wire AC outlet. Binding posts Fuses: None Controls- Knob to control output voltage. Output Impedance: 75 ohm. Sync: Negative. Three bars, ten bars; Color rastrs: Full field color raster. Color raster only, Sync, Horizontal 5.
Crystal controlled; CH Liquidating all of my dad's test equipment from his electronics business that we recently closed. Item has been well cared for and will come with a 7 day warranty. Comes with case. Leads, and meter as pictured. Tenma Power Supply Model No. Shipping We ship fast! About Us We have not changed the way we sell stuff.
We're hard working. Good and honest sellers. We can not meet Ebays Top Seller Status anymore as we will not offer a 14 day money back guarantee on electronic items. If we did, we would just be opening up the door for dishonest buyers to All items are tested completely before being listed to ensure good working order unless otherwise stated. Feedback means a lot to us so we try to answer all questions promptly and offer assistance when needed. FL Feel free to email or call if you have any questions.
S and Only accepting paypal Buyer must have U. Closed business. Selling off test equipment. This has been checked and is working perfectly. Includes soft carry case. For online payments. Arizona residents will be assessed 9. Terms of Sale. Full day return policy if you're unsatisfied for any reason If the item is deemed defective or not as described. We will pay for return shipping About Us. We will reply to all eBay messages. But if you prefer speaking with us personally, Please contact our store directly at: e5b.
This is a used item and you should expect some wear due to normal use Shipping to PR. HI and AK would be extra Powered by. Tenma 20MHz Oscilloscope This oscilloscope tenma was rarely used was kept in the original box and packaging all cables manual extra fuses and original power cord very nice as you can see from my pictures its working great.
Tenma 60Mhz Dual Channel Oscilloscope. Please email us for a quote. Washington State residents add 9. Some used items may have cosmetic imperfections such as scratches.
Ink markings, etc. Products are tested and fully AS-IS items are not tested and will not be covered under warranty. Damage caused by misuse or improper handling by the buyer will not be covered under warranty.
Any presumed defective units must obtain an RMA before return. Item returned will be tested. If found defective. Either a replacement or a refund will be sent immediately. If found not to be defective or damage caused by misuse or improper handling, item will be returned at buyers expense. Shipping and handling charge is not refundable.
Seller is not responsible for shipping damage or loss. International order will ship via USPS. Shipping charges vary from country to country. Please email us for a quote before you place a bid. Tenma 20MHz Dual Trace Oscilloscope Does not include any manuals or cables You will only receive what is pictured This item is used surplus in good working condition.
Only shipping to the U. Box condition fair due to age. Contents new. Includes the unit only. V Probe. V Probe It is in good working condition! Tenma sound pressure meter. No batteries included. Posted with Posted with. We strive to provide maximum effort to service you and hope to receive your positive See the datasheet for this model. Click on this link to see spec sheet.
This could be a good unit to use when running a slot car track. You can adjust the voltage. This item is super nice. It will also run com lathes. Tire truers and braking in motors and gears. Dual Output Bench Power Supply tenma Efe International Inc. Item part Unit pulled from working environment.
Works fine. Unit may have some scratches or blemishes due to general use. Comes with 30 days warranty. International Buyers are responsible for customs delays or fees of their countries. Please do not expect anything else beside what you see in the pictures. Check my feedback and buy with confidence. Please don't assume.
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Please with any concerns. Or that you take to any third party service provider. Tenma Digital Thermometer Logging digital thermometer for K. J,T or E themocouples. Two TC's can be connected at a time. Data can be downloaded to a PC. Battery removed for storage and shipping.
Two J type TC's included. Tenma Lab Power Supply. Used Condition! Includes Power Cord! You will be billed exactly It is Model It has been tested and everything appears to be working as it should. It comes as seen in the pics. It has 2 probes with it.
Please ask all questions prior to bidding! Insurance is required on all packages with a purchase price of The cost of the insurance is included in the handling charge. Check out my! Be sure to add me to your!
Tenma Oscilloscope. This auction is for a Tenma Model Oscilloscope with test leads. Oscilloscope powers up and seems to be in working condition. I know nothing about Oscilloscopes so this sale is as is.
Included is 2 test probes and 1 test lead, also included is 4 tips for probes. Oscilloscope is and very good condition. Tenma regulated power supply. Tenma regulated power supply It is in good working condition! Has some scratches and sign of use but works great! Tenma DC Power Supply.
Has sign of use. Scratches etc. Has some sign of use but works great! Acquired from government surplus. As you know with most government agencies. When a new grant comes in, they have to justify the grant by buying new equipment leaving very useful equipment for surplus. Comes as shown! Cosmetic wear and dirty. But there is some dirt or substance behind the display vover on the counter portion. Also nothing seems to power on the Multimeter display.
High cost unit. May have other unknown issues. Sold as is for parts or repair! All equipment is sold-as-is. We are surplus equipment All statements regarding products and their configurations are made to the best of our ability and with the assumption that the buyer is knowledgeable and proficient in the use of this type of equipment. We have no knowledge of the history of the equipment.
Due to the nature of used and surplus equipment no guarantees or warranties either expressed or implied are offered unless specifically noted in the description. No exceptions unless offered in the description. No manuals. It is the bidder's responsibility to understand that the terms of the auction. The nature of equipment offered and bid accordingly.
Payment: Gladly accept most forms of payment including paypal. Click to Enlarge inkfrog terapeak. Has some scratches but works great. Tenma Tenma AC Millivoltmeter - Model It is in excellent condition with virtually no blemishes or signs of wear. Like"new" both inside and out and a copy of the factory manual is included.
See photos. I have used it and compared readings with my other new AC Millivoltmeter and they both give exactly the same readings on the same input so it is working properly. For all other geographic locations shipping will be actual shipping cost. Payment may be made through PayPal. There will be no sales tax charged on your purchase.
No guarantee or warranty is offered or implied. Item is shipped as displayed in the pictures. Unless otherwise specified. Buyer is offered a 14 day return privilege. Buyer must contact seller before returning item for an authorization return code or refund may not be granted.
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No issues. Received this in a trade with some other equipment a few tears ago- I never needed it or used it. Posted with f3d. Tenma A Digital Mutimeter. Has some light wear from normal use. Please see pictures.
Pictures shown are of the actual item s you are bidding on. This auction includes only what you see pictured. Payments: Payments must be received within 3 days or we will file a non paying bidder report and the item will be relisted.
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